SGM58601 [SGMICRO]

Ultra-Low Noise, 24-Bit Analog-to-Digital Converter;
SGM58601
型号: SGM58601
厂家: Shengbang Microelectronics Co, Ltd    Shengbang Microelectronics Co, Ltd
描述:

Ultra-Low Noise, 24-Bit Analog-to-Digital Converter

文件: 总37页 (文件大小:1289K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
SGM58600/SGM58601/SGM58602  
Ultra-Low Noise,  
24-Bit Analog-to-Digital Converters  
GENERAL DESCRIPTION  
FEATURES  
The SGM58600, SGM58601 and SGM58602 are low noise,  
24-bit, 60kSPS, delta-sigma (ΔΣ) analog-to-digital converters  
(ADCs).  
Supply Voltage Ranges:  
Analog Supply: 5V  
Digital Supply: 2.7V to 5V  
Noise-Free Resolution: Up to 22 Bits  
Data Output Rate: Up to 60kSPS  
Integral Nonlinearity (INL):  
The SGM58600, SGM58601 and SGM58602 have  
a
fourth-order delta-sigma modulator plus a fifth-order Sinc filter  
(Sinc5) optimized for low noise performance.  
0.0012%FSR (TYP) at PGA = 1  
24-Bit No Missing Codes  
The flexible inputs multiplexer supports single-ended input or  
differential input configuration.  
Fast Channel Cycling  
18.3 Bits Noise-Free (21.2 Effective Bits) at 1.4kHz  
Flexible Input Multiplexer  
The SGM58600, SGM58601 and SGM58602 feature a  
selectable input buffer that increases the input impedance,  
and the low noise programmable gain amplifier (PGA)  
provides gains from 1 to 128 in binary steps.  
2 Single-Ended Inputs or 1 Differential Inputs  
(SGM58600)  
8 Single-Ended Inputs or 4 Differential Inputs  
(SGM58601)  
The devices have an SPI-compatible interface.  
The SGM58600 is available in Green SSOP-20 and  
TQFN-3.5×3.5-20L packages, the SGM58601 is available in  
Green SSOP-28 and TQFN-5×5-28L packages, and the  
SGM58602 is available in a Green TQFN-5×5-20L package.  
They are all specified from -40to +125.  
3 Single-Ended Inputs or 2 Differential Inputs  
(SGM58602)  
Low Noise Programmable Gain Amplifier:  
30nV Input-Referred Noise  
One-Shot Conversions with Single-Cycle Settling  
Chopper-Stabilized Input Buffer  
Supports Self and System Calibration for All PGA  
Settings  
Supports SPI-Compatible Serial Interface  
APPLICATIONS  
Lab Instrumentation  
Measurement and Test  
Industrial Process Control  
Medical Instruments  
SG Micro Corp  
FEBRUARY 2022REV. A  
www.sg-micro.com  
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
PACKAGE/ORDERING INFORMATION  
SPECIFIED  
TEMPERATURE  
RANGE  
PACKAGE  
DESCRIPTION  
ORDERING  
NUMBER  
PACKAGE  
MARKING  
PACKING  
OPTION  
MODEL  
SGM58600  
XSS20  
XXXXX  
SSOP-20  
TQFN-3.5×3.5-20L  
SSOP-28  
SGM58600XSS20G/TR  
Tape and Reel, 2000  
Tape and Reel, 5000  
Tape and Reel, 2000  
Tape and Reel, 5000  
Tape and Reel, 5000  
-40to +125℃  
-40to +125℃  
-40to +125℃  
-40to +125℃  
-40to +125℃  
SGM58600  
SGMOV1  
XTRL20  
XXXXX  
SGM58600XTRL20G/TR  
SGM58601XSS28G/TR  
SGM58601XTQK28G/TR  
SGM58602XTRM20G/TR  
SGM58601  
XSS28  
XXXXX  
SGM58601  
SGM58602  
SGM58601  
XTQK28  
XXXXX  
TQFN-5×5-28L  
TQFN-5×5-20L  
SGM58602  
XTRM20  
XXXXX  
MARKING INFORMATION  
NOTE: XXXXX = Date Code, Trace Code and Vendor Code.  
X X X X X  
Vendor Code  
Trace Code  
Date Code - Year  
Green (RoHS & HSF): SG Micro Corp defines "Green" to mean Pb-Free (RoHS compatible) and free of halogen substances. If  
you have additional comments or questions, please contact your SGMICRO representative directly.  
OVERSTRESS CAUTION  
ABSOLUTE MAXIMUM RATINGS  
Stresses beyond those listed in Absolute Maximum Ratings  
may cause permanent damage to the device. Exposure to  
absolute maximum rating conditions for extended periods  
may affect reliability. Functional operation of the device at any  
conditions beyond those indicated in the Recommended  
Operating Conditions section is not implied.  
AVDD to AGND.................................................... -0.3V to 6V  
DVDD to DGND.............................................. -0.3V to AVDD  
AGND to DGND................................................ -0.3V to 0.3V  
Input Current (Continuous) ...........................................10mA  
Analog Inputs to AGND........................-0.3V to AVDD + 0.3V  
Digital Inputs  
DIN, SCLK, nCS, nRESET, nSYNC/nPDWN to DGND  
........................................................................... -0.3V to 6V  
D0/CLKOUT, D1, D2, D3, XTAL1/CLKIN, XTAL2 to DGND  
.......................................................... -0.3V to DVDD + 0.3V  
Junction Temperature .................................................+150℃  
Storage Temperature Range........................-65to +150℃  
Lead Temperature (Soldering, 10s).............................+260℃  
ESD Susceptibility  
ESD SENSITIVITY CAUTION  
This integrated circuit can be damaged if ESD protections are  
not considered carefully. SGMICRO recommends that all  
integrated circuits be handled with appropriate precautions.  
Failure to observe proper handling and installation procedures  
can cause damage. ESD damage can range from subtle  
performance degradation tocomplete device failure. Precision  
integrated circuits may be more susceptible to damage  
because even small parametric changes could cause the  
device not to meet the published specifications.  
HBM.............................................................................4000V  
CDM ............................................................................1000V  
RECOMMENDED OPERATING CONDITIONS  
Operating Temperature Range ....................-40to +125℃  
DISCLAIMER  
SG Micro Corp reserves the right to make any change in  
circuit design, or specifications without prior notice.  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
2
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
PIN CONFIGURATIONS  
SGM58600 (TOP VIEW)  
SGM58600 (TOP VIEW)  
AVDD  
AGND  
1
2
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
D1  
D0/CLKOUT  
SCLK  
DIN  
20  
19  
18  
17  
16  
VREFN  
3
15 SCLK  
14 DIN  
VREFP  
AINCOM  
AIN0  
1
2
3
4
5
4
VREFP  
5
AINCOM  
AIN0  
DOUT  
SGM58600  
13 DOUT  
12 nDRDY  
11 nCS  
SGM58600  
nDRDY  
6
AIN1  
AIN1  
7
nCS  
nSYNC/nPDWN  
8
XTAL1/CLKIN  
nSYNC/nPDWN  
nRESET  
DVDD  
6
7
8
9
10  
9
XTAL2  
DGND  
10  
SSOP-20  
TQFN-3.5×3.5-20L  
SGM58601 (TOP VIEW)  
SGM58601 (TOP VIEW)  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
AVDD  
AGND  
D3  
2
3
D2  
VREFN  
VREFP  
AINCOM  
AIN0  
D1  
28 27 26 25 24 23 22  
4
D0/CLKOUT  
SCLK  
SCLK  
VREFP  
AINCOM  
AIN0  
1
2
3
21  
5
20 DIN  
6
DIN  
19  
18  
DOUT  
nDRDY  
AIN1  
7
DOUT  
nDRDY  
nCS  
AIN1  
4
5
6
SGM58601  
SGM58601  
AIN2  
17 nCS  
16  
15 XTAL2  
8
AIN2  
AIN3  
XTAL1/CLKIN  
AIN3  
9
AIN4  
7
AIN4  
10  
11  
12  
13  
14  
XTAL1/CLKIN  
XTAL2  
DGND  
8
9
10 11 12 13 14  
AIN5  
AIN6  
AIN7  
DVDD  
nRESET  
nSYNC/nPDWN  
SSOP-28  
TQFN-5×5-28L  
SGM58602 (TOP VIEW)  
20  
19  
18  
17  
16  
15 SCLK  
14 DIN  
VREFP  
AIN0  
1
2
3
4
5
AIN1  
SGM58602  
13 DOUT  
AIN2  
12 nDRDY  
11 nCS  
AIN3  
6
7
8
9
10  
TQFN-5×5-20L  
SG Micro Corp  
FEBRUARY 2022  
www.sg-micro.com  
3
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
PIN DESCRIPTION  
PIN  
TYPE (1)  
FUNCTION  
SGM58600  
SGM58601  
SGM58602  
NAME  
TQFN-  
3.5×3.5-20L  
TQFN-  
5×5-28L  
TQFN-  
5×5-20L  
SSOP-20  
SSOP-28  
1
2
3
4
5
6
7
18  
1
2
26  
18  
19  
20  
1
AVDD  
AGND  
VREFN  
VREFP  
AINCOM  
AIN0  
A
Analog Power Supply.  
19  
20  
1
27  
28  
1
A
Analog Ground.  
3
AI  
AI  
AI  
AI  
AI  
AI  
AI  
AI  
AI  
AI  
AI  
Negative Reference Input.  
Positive Reference Input.  
Analog Input Common.  
Analog Input 0.  
4
2
5
2
3
6
3
2
4
7
4
3
AIN1  
Analog Input 1.  
8
5
4
AIN2  
Analog Input 2.  
9
6
5
AIN3  
Analog Input 3.  
10  
11  
12  
13  
7
AIN4  
Analog Input 4.  
8
AIN5  
Analog Input 5.  
9
AIN6  
Analog Input 6.  
10  
AIN7  
Analog Input 7.  
Synchronization Input/Power-Down Input.  
Active low.  
8
5
14  
11  
6
nSYNC/nPDWN  
DI (2)  
9
6
7
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
7
8
nRESET  
DVDD  
DGND  
XTAL2  
XTAL1/CLKIN  
nCS  
DI (2)  
D
Reset Input. Active low.  
Digital Power Supply.  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
8
9
D
D (3)  
Digital Ground.  
9
Crystal Oscillator Connection.  
Crystal Oscillator Connection/Clock Input.  
Chip Select. Active low.  
Data Ready Output. Active low.  
Serial Data Output.  
10  
11  
12  
13  
14  
15  
16  
17  
10  
11  
12  
13  
14  
15  
16  
17  
D/DI  
DI (2)  
DO  
nDRDY  
DOUT  
DIN  
DO  
DI (2)  
DI (2)  
DIO (4)  
DIO (4)  
DIO (4)  
DIO (4)  
Serial Data Input.  
SCLK  
Serial Clock Input.  
D0/CLKOUT  
D1  
Digital Input/Output 0/Clock Output.  
Digital Input/Output 1.  
D2  
Digital Input/Output 2.  
D3  
Digital Input/Output 3.  
Exposed  
Pad  
Exposed  
Pad  
Exposed  
Pad  
Exposed pad should be soldered to PCB  
board and connected to AGND.  
AGND  
NOTES:  
1. A = Analog, AI = Analog Input, D = Digital, DI = Digital Input, DO = Digital Output, DIO = Digital Input and Output.  
2. Schmitt-trigger logic input.  
3. If the external clock input is applied to XTAL1/CLKIN, stay disconnected.  
4. Schmitt-trigger logic input when the pin is used as an input.  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
4
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
ELECTRICAL CHARACTERISTICS  
(VAVDD = 5V, VDVDD = 3.3V, VREF = 2.5V, fCLKIN = 7.68MHz, PGA[2:0] = 1, Full = -40to +125. Typical values are at TA = +25,  
unless otherwise noted.)  
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
Analog Inputs  
Full-Scale Input Voltage  
(AINP - AINN)  
±2VREF/PGA  
V
V
Buffer off  
Buffer on  
AGND - 0.1  
AVDD + 0.1  
AVDD  
Absolute Input Voltage  
(AIN0 - AIN7, AINCOM to AGND)  
AGND  
1
Programmable Gain Amplifier  
Differential Input Impedance  
128  
Buffer off, PGA[2:0] = 1  
Buffer off, PGA[2:0] = 2 or 4  
Buffer off, PGA[2:0] = 8  
Buffer off, PGA[2:0] = 16, 32, 64 or 128  
Buffer on  
67  
35  
kΩ  
kΩ  
kΩ  
kΩ  
MΩ  
255  
190  
3.2  
0.5  
2.2  
9
SDCS[1:0] = 01  
Sensor Detection Current Sources  
ISDC  
SDCS[1:0] = 10  
μA  
SDCS[1:0] = 11  
System Performance  
Resolution  
24  
24  
Bit  
Bit  
SPS (1)  
%FSR (2)  
No Missing Codes  
Data Rate  
All data rates and PGA settings  
fCLKIN = 7.68MHz  
fDATA  
2.5  
60000  
0.002  
Integral Nonlinearity  
Offset Error  
Differential input, PGA[2:0] = 1  
After calibration  
0.0012  
On the level of the noise  
PGA[2:0] = 1  
±200  
Offset Drift  
Gain Error  
Gain Drift  
nV/  
PGA[2:0] = 64  
±25  
After calibration, PGA[2:0] = 1, buffer on  
After calibration, PGA[2:0] = 64, buffer on  
PGA[2:0] = 1  
±0.003  
%
±0.035  
±0.45  
ppm/℃  
PGA[2:0] = 64  
±1.5  
Common-Mode Rejection Ratio  
Noise  
CMRR  
fCM (3) = 60Hz, fDATA = 30kSPS (4)  
92  
65  
110  
dB  
See Noise Performance Tables  
AVDD Power Supply Rejection  
DVDD Power Supply Rejection  
±5% Δ in AVDD  
80  
dB  
dB  
±10% Δ in DVDD  
100  
NOTES:  
1. SPS = Samples Per Second.  
2. FSR = Full-Scale Range = 4VREF/PGA.  
3. fCM = Common-Mode Input Signal Frequency.  
4. Setting a digital filter notch at 60Hz (fDATA = 60SPS, 30SPS, 15SPS, 10SPS, 5SPS, or 2.5SPS), this can improve the  
common-mode rejection of this frequency.  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
5
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
ELECTRICAL CHARACTERISTICS (continued)  
(VAVDD = 5V, VDVDD = 3.3V, VREF = 2.5V, fCLKIN = 7.68MHz, PGA[2:0] = 1, Full = -40to +125. Typical values are at TA = +25,  
unless otherwise noted.)  
PARAMETER  
Voltage Reference Inputs  
Reference Input Voltage  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
VREF  
VREF ≡ VREFP - VREFN  
0.5  
2.5  
2.6  
V
V
Buffer off  
Buffer on  
Buffer off  
Buffer on  
AGND - 0.1  
AGND  
VREFP - 0.5  
VREFP - 0.5  
VAVDD + 0.1  
VAVDD  
Negative Reference Input  
Positive Reference Input  
Voltage Reference Impedance  
VREFN  
VREFN + 0.5  
VREFN + 0.5  
VREFP  
V
buffer off  
buffer on  
33  
6
kΩ  
Zeff  
fCLKIN = 7.68MHz  
MΩ  
Digital Input/Output  
Input High Voltage  
Input Low Voltage  
Output High Voltage  
Output Low Voltage  
Input Hysteresis  
VIH  
VIL  
0.8 × VDVDD  
DGND  
VDVDD  
V
V
0.2 × VDVDD  
VOH  
VOL  
IOH = 5mA  
IOL = 5mA  
0.8 × VDVDD  
V
0.2 × VDVDD  
V
0.5  
V
Input Leakage  
0 < VDIGITAL INPUT < DVDD  
1
μA  
External crystal between XTAL1 and XTAL2  
External oscillator driving CLKIN  
7.68  
7.68  
Master Clock Rate  
MHz  
Power Requirements  
AVDD Supply Voltage  
DVDD Supply Voltage  
VAVDD  
VDVDD  
4.75  
2.7  
5.25  
AVDD  
2
V
V
Power-down mode  
Standby mode  
0.46  
0.21  
2.7  
μA  
mA  
0.27  
3.8  
7
PGA = 1, buffer off  
AVDD Current  
PGA = 64, buffer off  
Normal mode  
4.7  
mA  
PGA = 1, buffer on  
3.2  
4.4  
7.5  
3.5  
160  
1
PGA = 64, buffer on  
Power-down mode  
5
0.13  
120  
0.55  
μA  
μA  
DVDD Current  
Standby mode, CLKOUT off, DVDD = 3.3V  
Normal mode, CLKOUT off, DVDD = 3.3V  
mA  
Normal mode, PGA = 1, buffer off,  
DVDD = 3.3V  
15  
22  
Power Dissipation  
mW  
Standby mode, DVDD = 3.3V  
1.5  
1.9  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
6
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
TIMING CHARACTERISTICS  
PARAMETER  
SCLK Cycle Time  
SYMBOL  
CONDITIONS  
MIN  
50  
25  
25  
0
MAX  
UNITS  
ns  
t1  
t2H  
t2L  
t3  
SCLK High Time  
ns  
SCLK Low Time  
ns  
nCS Falling Edge to First SCLK Rising Edge Setup Time (1)  
Valid DIN to SCLK Falling Edge Setup Time  
Valid DIN to SCLK Falling Edge Hold Time  
ns  
t4  
20  
0
ns  
t5  
ns  
Delay from Last SCLK Edge for DIN to First SCLK Rising Edge  
for DOUT: RDATA, RDATAC, RREG Commands  
t6  
20  
ns  
SCLK Rising Edge to Valid New DOUT, Propagation Delay (2)  
SCLK Rising Edge to DOUT Invalid, Hold Time  
Last SCLK Falling Edge to DOUT High-Impedance (3)  
nCS Low after Final SCLK Falling Edge  
t7  
t8  
20  
ns  
ns  
ns  
ns  
ns  
ns  
0
10  
t9  
t10  
0
RREG, WREG, RDATA  
RDATAC, nSYNC  
100  
100  
Final SCLK Falling Edge of Command to First SCLK Rising  
Edge of Next Command  
t11  
RDATAC, nRESET, STANDBY,  
SELFOCAL, SYSOCAL,  
Wait for nDRDY to go low  
SELFGCAL, SYSGCAL, SELFCAL  
nRESET, nSYNC/nPDWN, Pulse Width  
t12  
t13  
See Figure 2  
See Figure 3  
0.5  
30  
μs  
Conversion Data Invalid while Being Updated  
(nDRDY Shown with No Data Retrieval)  
(4)  
τCLKIN  
NOTES:  
1. nCS can be tied low.  
2. DOUT load = 20pF and 100kΩ to DGND.  
3. DOUT goes high-impedance immediately when nCS goes high.  
4. Master clock period (τCLKIN = 1/fCLKIN).  
nCS  
t10  
t3  
t1  
t2H  
SCLK  
DIN  
t11  
t6  
t2L  
t4  
t5  
MSB  
LSB  
t7  
t8  
t9  
LSB  
MSB  
DOUT  
Figure 1. Serial Interface Timing Diagram  
t12  
nRESET, nSYNC/nPDWN  
Figure 2. nRESET and nSYNC/nPDWN Timing Diagram  
t13  
nDRDY  
Figure 3. nDRDY Update Timing Diagram  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
7
 
 
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
TYPICAL PERFORMANCE CHARACTERISTICS  
Noise Histogram  
Noise Histogram  
80  
70  
60  
50  
40  
30  
20  
10  
0
30  
25  
20  
15  
10  
5
PGA = 1, Data Rate = 2.5SPS, Buffer Off,  
256 Readings  
PGA = 1, Data Rate = 1kSPS, Buffer Off,  
4096 Readings  
0
Output Code (LSB)  
Output Code (LSB)  
Noise Histogram  
Noise Histogram  
35  
30  
25  
20  
15  
10  
5
50  
40  
30  
20  
10  
0
PGA = 1, Data Rate = 30kSPS, Buffer Off,  
4096 Readings  
PGA = 1, Data Rate = 60kSPS, Buffer Off,  
4096 Readings  
0
Output Code (LSB)  
Output Code (LSB)  
Noise Histogram  
Noise Histogram  
50  
40  
30  
20  
10  
0
35  
30  
25  
20  
15  
10  
5
PGA = 64, Data Rate = 2.5SPS, Buffer Off,  
256 Readings  
PGA = 64, Data Rate = 1kSPS, Buffer Off,  
4096 Readings  
0
Output Code (LSB)  
Output Code (LSB)  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
8
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
TYPICAL PERFORMANCE CHARACTERISTICS (continued)  
Noise Histogram  
Noise Histogram  
30  
25  
20  
15  
10  
5
50  
40  
30  
20  
10  
0
PGA = 64, Data Rate = 30kSPS, Buffer Off,  
4096 Readings  
PGA = 64, Data Rate = 60kSPS, Buffer Off,  
4096 Readings  
0
Output Code (LSB)  
Output Code (LSB)  
Noise Histogram  
Noise Histogram  
40  
35  
30  
25  
20  
15  
10  
5
40  
35  
30  
25  
20  
15  
10  
5
PGA = 128, Data Rate = 2.5SPS, Buffer Off,  
256 Readings  
PGA = 128, Data Rate = 1kSPS, Buffer Off,  
4096 Readings  
0
0
Output Code (LSB)  
Output Code (LSB)  
Noise Histogram  
Noise Histogram  
40  
35  
30  
25  
20  
15  
10  
5
40  
35  
30  
25  
20  
15  
10  
5
PGA = 128, Data Rate = 30kSPS, Buffer Off,  
4096 Readings  
PGA = 128, Data Rate = 60kSPS, Buffer Off,  
4096 Readings  
0
0
Output Code (LSB)  
Output Code (LSB)  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
TYPICAL PERFORMANCE CHARACTERISTICS (continued)  
Offset Drift Histogram  
Offset Drift Histogram  
40  
35  
30  
25  
20  
15  
10  
5
30  
25  
20  
15  
10  
5
PGA = 1, 90 Units from 3 Production Lots  
PGA = 64, 90 Units from 3 Production Lots  
0
0
Offset Drift (nV/)  
Offset Drift (nV/)  
Gain Drift Histogram  
Gain Drift Histogram  
80  
70  
60  
50  
40  
30  
20  
10  
0
35  
30  
25  
20  
15  
10  
5
PGA = 1, 90 Units from 3 Production Lots  
PGA = 64, 90 Units from 3 Production Lots  
0
Gain Drift (ppm/)  
Gain Drift (ppm/)  
Gain Error Histogram  
Gain Error Histogram  
60  
50  
40  
30  
20  
10  
0
50  
40  
30  
20  
10  
0
PGA = 1, 3 Production Lots  
PGA = 64, 3 Production Lots  
Gain Error (%)  
Gain Error (%)  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
TYPICAL PERFORMANCE CHARACTERISTICS (continued)  
Effective Number of Bits vs. Temperature  
PGA = 1  
Effective Number of Bits vs. Input Voltage  
PGA = 1  
23  
22  
21  
20  
19  
18  
23  
22  
21  
20  
19  
18  
Data Rate = 1kSPS  
Data Rate = 1kSPS  
Data Rate = 30kSPS  
Data Rate = 30kSPS  
-50  
-25  
0
25  
50  
75  
100  
125  
125  
5
0
1
1
1
2
3
4
5
Input Voltage (V)  
Temperature ()  
Analog Supply Current vs. Temperature  
PGA = 64, Buffer On  
Analog Supply Current vs. PGA  
Buffer On  
7
6
5
4
3
2
1
0
6
5
4
3
2
1
0
Buffer Off  
PGA = 64, Buffer Off  
PGA = 1, Buffer On  
PGA = 1, Buffer Off  
-50  
-25  
0
25  
50  
75  
100  
2
4
8
16  
32  
64  
128  
PGA Setting  
Temperature ()  
Integral Nonlinearity vs. Input Voltage  
PGA = 1  
Integral Nonlinearity vs. PGA  
0.0015  
0.001  
0.0005  
0
0.008  
0.007  
0.006  
0.005  
0.004  
0.003  
0.002  
0.001  
0
+25℃  
-40℃  
+125℃  
Buffer On  
-0.0005  
-0.001  
-0.0015  
+85℃  
Buffer Off  
32 64  
-5 -4 -3 -2 -1  
0
1
2
3
4
2
4
8
16  
128  
PGA Setting  
Input Voltage (V)  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
FUNCTIONAL BLOCK DIAGRAM  
VREFP  
VREFN  
AVDD  
DVDD  
SGM58600  
SGM58601  
SGM58602  
Buffer  
Buffer  
Σ
A/D Converter  
VREF  
XTAL1/CLKIN  
XTAL2  
Clock  
Generator  
2
AIN0  
AIN1  
2 × VREF  
AIN2  
SGM58602  
Only  
Input  
Multiplexer  
and  
Sensor  
Detection  
AIN3  
AIN4  
AIN5  
AIN6  
nRESET  
VIN • PGA  
4th-Order  
Modulator  
Programmable  
Digital Filter  
PGA  
1:128  
Buffer  
Control  
Σ
nSYNC/nPDWN  
SGM58601  
Only  
nDRDY  
SCLK  
DIN  
AIN7  
AINCOM  
SPI  
Serial  
Interface  
General  
Purpose  
Digital I/O  
SGM58600/1  
Only  
DOUT  
nCS  
AGND  
D3 D2 D1 D0/CLKOUT  
DGND  
SGM58601  
Only  
Figure 4. Block Diagram  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION  
single-ended inputs. The SGM58602 provides 4 analog  
inputs, which can be configured as 2 independent differential  
inputs, 3 single-ended inputs. When using the SGM58600 or  
SGM58602 programming the inputs, make sure to select only  
the available inputs when programming the input multiplexer  
control register (MUX).  
Overview  
The SGM58600, SGM58601 and SGM58602 are ultra-low  
noise analog-to-digital converters (ADCs). The block diagram  
of the SGM5860x ADCs is shown in Figure 4.  
The SGM58600 supports 1 differential input or 2 single-ended  
inputs and has  
SGM58601 supports 4 differential inputs or 8 single-ended  
inputs and has general-purpose digital I/Os. The  
2 general-purpose digital I/Os. The  
To minimize the power consumption of the chip, it’s better to  
keep any unused inputs floating.  
4
SGM58602 supports 2 differential inputs or 3 single-ended  
inputs and has 2 general-purpose digital I/Os.  
Open/Short Sensor Detection  
Figure 5 shows a demo connection of external sensor equal  
These chips provide a configurable data rate from 2.5SPS to  
60kSPS, the selection is a tradeoff between accuracy and  
speed.  
circuits, in which RSENS is the sensor equal output impedance.  
Please note that when the SDCS (Sensor Detection Current  
Source) is enabled, the input buffer is forced on regardless of  
BUFEN bit setting.  
Noise Performance  
The typical noise performance with the inputs shorted  
externally is summarized from Table 1 to Table 6. For the six  
tables, the following conditions apply: TA = +25, VAVDD = 5V,  
VDVDD = 3.3V, VREF = 2.5V, and fCLKIN = 7.68MHz. ENOB is  
given by:  
AVDD  
SDCS  
ln FSR / RMS Noise  
(
)
(1)  
ENOB =  
ln 2  
( )  
AINP  
Where:  
FSR = Full-scale range.  
Input  
Buffer  
RSENS  
AINN  
The noise-free bits of resolution are shown in Table 3. Table 1  
to Table 3 show that the chip performance when the input  
buffer is enabled. Table 4 to Table 6 show that the chip  
performance when the input buffer is disabled.  
SDCS  
Input Multiplexer  
The SGM58601 provides 9 analog inputs, which can be  
Figure 5. Sensor Detection Circuitry  
configured as  
4
independent differential inputs,  
8
single-ended inputs, or a combination of differential and  
single-ended inputs. The SGM58600 provides 3 analog  
inputs, which can be configured as 1 differential input or 2  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
Table 1. Input-Referred Noise (μV, RMS) with Buffer On  
Table 3. Noise-Free Resolution (Bits) with Buffer On  
Data  
Rate  
(SPS)  
Data  
Rate  
(SPS)  
PGA  
PGA  
1
2
4
8
16  
32  
64  
128  
1
2
4
8
16  
32  
64  
128  
2.5  
5
0.331 0.198 0.150 0.071 0.048 0.036 0.030 0.030  
0.360 0.193 0.158 0.089 0.066 0.049 0.039 0.041  
0.415 0.237 0.183 0.119 0.097 0.069 0.057 0.055  
0.475 0.254 0.209 0.140 0.115 0.083 0.068 0.068  
0.536 0.281 0.243 0.189 0.146 0.107 0.090 0.088  
0.580 0.310 0.262 0.196 0.159 0.118 0.098 0.095  
0.714 0.370 0.318 0.256 0.203 0.149 0.125 0.123  
0.783 0.416 0.335 0.279 0.220 0.165 0.135 0.137  
1.047 0.531 0.410 0.360 0.286 0.210 0.176 0.175  
2.367 1.198 0.903 0.810 0.634 0.466 0.392 0.389  
2.5  
5
22.2 22.1 21.2 21.5 21.0 20.5 19.8 18.9  
21.8 21.7 21.1 21.2 20.6 19.9 19.3 18.2  
21.7 21.4 20.9 20.5 20.0 19.4 18.7 17.7  
21.5 21.2 20.7 20.2 19.8 19.1 18.4 17.5  
21.1 21.2 20.5 19.9 19.2 18.8 18.1 17.1  
21.0 21.1 20.4 19.8 19.2 18.6 17.9 17.0  
20.8 20.8 20.1 19.3 18.8 18.2 17.5 16.5  
20.7 20.6 20.0 19.3 18.7 18.1 17.3 16.4  
20.3 20.3 19.6 18.8 18.3 17.6 16.9 15.9  
19.2 19.1 18.5 17.7 17.0 16.5 15.7 14.8  
10  
15  
25  
30  
50  
60  
100  
500  
10  
15  
25  
30  
50  
60  
100  
500  
1000 3.216 1.690 1.321 1.131 0.901 0.662 0.547 0.541  
2000 4.298 2.296 1.795 1.575 1.287 0.932 0.770 0.768  
3750 5.519 3.012 2.342 2.129 1.692 1.252 1.041 1.036  
7500 7.249 3.986 3.122 2.927 2.317 1.732 1.443 1.437  
15000 9.227 5.082 4.013 3.759 2.938 2.217 1.866 1.849  
30000 10.762 5.958 4.602 4.274 3.344 2.536 2.154 2.114  
60000 52.543 26.520 14.262 8.798 5.671 3.900 3.123 3.100  
1000 18.7 18.7 18.0 17.2 16.6 16.1 15.3 14.3  
2000 18.3 18.2 17.6 16.8 15.8 15.5 14.8 13.8  
3750 17.9 17.8 17.2 16.3 15.6 15.1 14.3 13.3  
7500 17.5 17.3 16.7 15.9 15.2 14.6 13.8 12.8  
15000 17.0 17.0 16.4 15.5 14.8 14.3 13.5 12.6  
30000 16.8 16.7 16.1 15.3 14.7 14.0 13.3 12.3  
60000 14.6 14.6 14.5 14.2 13.9 13.4 12.7 11.8  
Table 2. Effective Number of Bits (ENOB, Bits) with Buffer On  
Data  
Rate  
(SPS)  
PGA  
1
2
4
8
16  
32  
64  
128  
2.5  
5
24.8 24.6 24.0 24.1 23.6 23.0 22.3 21.3  
24.7 24.6 23.9 23.7 23.2 22.6 21.9 20.9  
24.5 24.3 23.7 23.3 22.6 22.1 21.4 20.4  
24.3 24.2 23.5 23.1 22.4 21.9 21.1 20.1  
24.2 24.1 23.3 22.7 22.0 21.5 20.7 19.8  
24.0 23.9 23.2 22.6 21.9 21.3 20.6 19.6  
23.7 23.7 22.9 22.2 21.6 21.0 20.3 19.3  
23.6 23.5 22.8 22.1 21.4 20.9 20.1 19.1  
23.2 23.2 22.5 21.7 21.1 20.5 19.8 18.8  
22.0 22.0 21.4 20.6 19.9 19.4 18.6 17.6  
10  
15  
25  
30  
50  
60  
100  
500  
1000 21.6 21.5 20.9 20.1 19.4 18.8 18.1 17.1  
2000 21.1 21.1 20.4 19.6 18.9 18.4 17.6 16.6  
3750 20.8 20.7 20.0 19.2 18.5 17.9 17.2 16.2  
7500 20.4 20.3 19.6 18.7 18.0 17.5 16.7 15.7  
15000 20.0 19.9 19.2 18.3 17.7 17.1 16.4 15.4  
30000 19.8 19.7 19.1 18.2 17.5 16.9 16.1 15.2  
60000 17.5 17.5 17.4 17.1 16.7 16.3 15.6 14.6  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
Table 4. Input-Referred Noise (μV, RMS) with Buffer Off  
Table 6. Noise-Free Resolution (Bits) with Buffer Off  
Data  
Rate  
(SPS)  
Data  
Rate  
(SPS)  
PGA  
PGA  
1
2
4
8
16  
32  
64  
128  
1
2
4
8
16  
32  
64  
128  
2.5  
5
0.335 0.191 0.152 0.065 0.051 0.039 0.030 0.032  
0.384 0.196 0.169 0.095 0.069 0.050 0.042 0.041  
0.439 0.218 0.187 0.123 0.091 0.068 0.059 0.056  
0.481 0.252 0.213 0.147 0.112 0.088 0.069 0.069  
0.570 0.287 0.238 0.184 0.143 0.107 0.087 0.088  
0.603 0.305 0.265 0.205 0.158 0.120 0.096 0.095  
0.725 0.377 0.315 0.259 0.202 0.152 0.125 0.124  
0.763 0.409 0.338 0.278 0.222 0.164 0.139 0.135  
2.5  
5
22.2 22.2 21.4 21.5 20.9 20.4 19.7 18.7  
22.0 21.9 21.0 20.9 20.5 19.8 19.2 18.2  
21.7 21.7 20.9 20.5 19.9 19.4 18.7 17.8  
21.5 21.5 20.8 20.1 19.6 19.2 18.4 17.5  
21.3 21.2 20.6 20.0 19.3 18.8 18.1 17.1  
21.2 21.2 20.3 19.7 19.2 18.6 17.9 17.0  
20.9 20.7 20.1 19.4 18.7 18.3 17.5 16.4  
20.8 20.6 19.9 19.3 18.6 18.1 17.3 16.4  
20.4 20.3 19.6 18.8 18.2 17.5 16.9 16.0  
19.3 19.1 18.6 17.7 16.9 16.5 15.7 14.9  
10  
15  
25  
30  
50  
60  
10  
15  
25  
30  
50  
60  
100  
500  
100 1.042 0.552 0.425 0.362 0.284 0.214 0.176 0.174  
500 2.319 1.199 0.888 0.818 0.633 0.472 0.394 0.388  
1000 3.138 1.678 1.314 1.137 0.888 0.666 0.555 0.544  
2000 4.254 2.288 1.786 1.583 1.261 0.924 0.779 0.763  
3750 5.493 2.998 2.346 2.136 1.694 1.257 1.047 1.041  
7500 7.236 4.008 3.131 2.949 2.309 1.733 1.440 1.424  
15000 9.215 5.025 3.959 3.768 2.940 2.241 1.867 1.858  
30000 10.592 5.835 4.550 4.289 3.333 2.560 2.143 2.136  
60000 52.462 26.249 14.158 8.795 5.653 3.947 3.119 3.089  
1000 18.8 18.7 18.0 17.2 16.5 16.0 15.3 14.3  
2000 18.3 18.1 17.6 16.8 16.1 15.5 14.7 13.8  
3750 17.9 17.8 17.2 16.3 15.7 15.1 14.4 13.4  
7500 17.5 17.4 16.7 15.8 15.2 14.6 13.8 12.9  
15000 17.1 16.9 16.4 15.5 14.9 14.3 13.5 12.5  
30000 16.8 16.7 16.2 15.2 14.6 14.1 13.4 12.3  
60000 14.6 14.6 14.5 14.3 13.9 13.5 12.8 11.9  
Table 5. Effective Number of Bits (ENOB, Bits) with Buffer Off  
Data  
Rate  
(SPS)  
PGA  
1
2
4
8
16  
32  
64  
128  
2.5  
5
24.8 24.6 24.0 24.2 23.6 23.0 22.3 21.2  
24.6 24.6 23.8 23.7 23.1 22.6 21.8 20.9  
24.4 24.5 23.7 23.3 22.7 22.1 21.3 20.4  
24.3 24.2 23.5 23.0 22.4 21.8 21.1 20.1  
24.1 24.1 23.3 22.7 22.1 21.5 20.8 19.8  
24.0 24.0 23.2 22.5 21.9 21.3 20.6 19.6  
23.7 23.7 22.9 22.2 21.6 21.0 20.3 19.3  
23.6 23.5 22.8 22.1 21.4 20.9 20.1 19.1  
23.2 23.1 22.5 21.7 21.1 20.5 19.8 18.8  
22.0 22.0 21.4 20.5 19.9 19.3 18.6 17.6  
10  
15  
25  
30  
50  
60  
100  
500  
1000 21.6 21.5 20.9 20.1 19.4 18.8 18.1 17.1  
2000 21.2 21.1 20.4 19.6 18.9 18.4 17.6 16.6  
3750 20.8 20.7 20.0 19.2 18.5 17.9 17.2 16.2  
7500 20.4 20.3 19.6 18.7 18.0 17.5 16.7 15.7  
15000 20.0 19.9 19.3 18.3 17.7 17.1 16.4 15.4  
30000 19.8 19.7 19.1 18.2 17.5 16.9 16.2 15.2  
60000 17.5 17.5 17.4 17.1 16.8 16.3 15.6 14.6  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
The effective impedances with buffer off for fCLKIN = 7.68MHz  
is shown in Table 8.  
Programmable Gain Amplifier (PGA)  
The PGA[2:0] is controlled by the ADCON register. We  
suggest recalibrating the analog-to-digital converter after  
changing the PGA setting.  
Table 8. Effective Impedances with Buffer Off  
PGA Setting  
Zeff (kΩ)  
67  
Table 7. Full-Scale Input Voltage (VIN) vs. PGA Setting  
1
2
Full-Scale Input Voltage (1)  
35  
PGA Setting  
(VREF = 2.5V)  
4
35  
1
2
±5V  
8
255  
190  
190  
190  
190  
±2.5V  
16  
32  
64  
128  
4
±1.25V  
8
±0.625V  
16  
32  
64  
128  
±312.5mV  
±156.25mV  
±78.125mV  
±39.0625mV  
NOTE:  
1. fCLKIN = 7.68MHz.  
NOTE:  
Analog Input Buffer  
1. Positive inputs minus negative inputs is the voltage range and at  
the same time to make sure that both positive inputs and negative  
inputs are absolutely positive respect to ground (listed in the  
Electrical Characteristics section).  
To increase the input impedance of SGM5860x, the input  
buffer can be enabled by the BUFEN bit in the STATUS  
register. The input impedance equal circuits are shown in  
Figure 6. Table 9 lists the values of Zeff for the different PGA  
settings. The equal input impedance changes inversely with  
the CLKIN frequency (fCLKIN). For example, when the fCLKIN is  
reduced by half to 3.84MHz, Zeff for PGA = 1 will double from  
3.2MΩ to 6.4MΩ.  
Modulator Input Circuitry  
The SGM5860x modulator measures the input signal by  
using internal capacitors that are continuously sampled and  
reverse sampled between the differential inputs.  
Table 9. Effective Impedances with Buffer On  
When the chip is converting, it draws current from input. The  
equal input impedance Zeff = VIN/IAVERAGE. Figure 6 shows the  
input equal circuitry by their effective impedances.  
PGA Setting  
Zeff (MΩ)  
1
2
3.2  
1.7  
1
4
8
21  
10  
5
AIN0  
16  
32  
64  
128  
AIN1  
AINP  
AIN2  
SGM58602  
2.4  
1
Only  
AIN3  
AIN4  
AIN5  
AIN6  
AIN7  
Input  
Multiplexer  
Zeff  
SGM58601  
Only  
NOTE:  
1. fCLKIN = 7.68MHz.  
AINN  
AINCOM  
SGM58600/1  
Only  
Voltage Reference Inputs (VREFP, VREFN)  
The voltage reference of the SGM5860x ADC is the  
differential voltage between VREFP and VREFN: VREF = VREFP  
VREFN  
-
.
Figure 6. Analog Input Effective Impedances with Buffer  
On/Off  
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FEBRUARY 2022  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
Digital Filter  
Frequency Response  
The chip low-pass digital filter can be calculated based on the  
Inside the chip, there is a Sinc5 filter and an average filter  
after the modulator. Its equal architecture is shown in Figure  
7.  
following equation:  
H f = HSinc5 (f) × HAverager  
( )  
f
( )  
(2)  
5
Table 10 shows the data rate setting and real data rate under  
fCLKIN = 7.68MHz. Note that if the fCLKIN increases, the read  
data rate increases accordingly. For example, the fCLKIN from  
7.68MHz to 10MHz increases the data rate for DR[7:0] =  
11110001 from 60000SPS to 78125SPS.  
256π × f  
fCLKIN  
256π × Num_Ave f  
sin  
sin  
fCLKIN  
=
×
4π × f  
fCLKIN  
256π × f  
64 × sin  
Num_Ave × sin  
fCLKIN  
To eliminate 50Hz (or 60Hz) noise from power supply, set the  
data rate equal to 2.5SPS, 5SPS, 10SPS, 15SPS, 30SPS, or  
50SPS (or 60Hz).  
Table 10. Number of Averages and Data Rate Setting  
Number of Averages for  
DRATE DR[7:0]  
Programmable Filter  
(Num_Ave)  
Data Rate (1) (SPS)  
Table 11. First-Notch Frequency and -3dB Bandwidth Filter  
Data Rate (1) (SPS) First-Notch (Hz)  
-3dB Bandwidth (Hz)  
11110001  
11110000  
11100000  
11010000  
11000000  
10110000  
10100001  
10010010  
10000010  
01110010  
01100011  
01010011  
01000011  
00110011  
00100011  
00010011  
00000011  
1
1
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
12000  
6106  
4807  
3003  
1615  
878  
2
4
8
15  
30  
441  
60  
221  
300  
500  
600  
1000  
1200  
2000  
3000  
6000  
12,000  
100  
44.2  
26.5  
22.1  
13.3  
11.1  
6.63  
4.42  
2.21  
1.1  
60 (2)  
50 (3)  
30 (2)  
25 (3)  
15 (2)  
10 (4)  
5 (4)  
50  
50  
30  
30  
25  
25  
15  
15  
10  
10  
5
5
2.5  
2.5 (4)  
2.5  
NOTE:  
1. fCLKIN = 7.68MHz.  
NOTES:  
1. fCLKIN = 7.68MHz.  
2. Notch at 60Hz.  
3. Notch at 50Hz.  
4. Notch at 50Hz and 60Hz.  
Modulator Rate = fCLKIN/4  
Data Rate = fCLKIN/256  
Data Rate = (fCLKIN/256)(1/Num_Ave)  
Analog  
Modulator  
Programmable  
Averager  
Sinc5 Filter  
Num_Ave (Set by DRATE Register)  
Digital Filter  
Figure 7. Architecture of the Analog Modulator and Digital Filter  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
Figure 8. Frequency Response (Data Rate = 60kSPS)  
Figure 9. Frequency Response(Data Rate = 2.5SPS)  
Figure 10. Frequency Response Out to 7.68MHz  
(Data Rate = 60kSPS)  
Figure 11. Frequency Response Out to 7.68MHz  
(Data Rate = 2.5SPS)  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
indicate data is ready, and there is no data setting time (all  
Settling Time  
Table 12 shows the settling time for the different data rates.  
processing data are discarded internally).  
Table 12. Settling Time for Different Data Rates  
1. When nDRDY goes low, indicating that data is ready to  
read.  
Data Rate (1) (SPS)  
Settling Time (t14) (ms)  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
0.12  
0.20  
0.27  
0.33  
0.47  
0.67  
1.20  
2.20  
10.2  
16.9  
20.3  
33.5  
40.2  
67.0  
100.2  
200.2  
400.2  
2. It will take 14 × τCLKIN for nDRDY to go from low to high,  
after WREG command is received by ADC.  
Table 13 shows the throughput speed when cycling the input  
multiplexer.  
Table 13. Multiplexer Cycling Throughput  
Data Rate (1) (SPS)  
Cycling Throughput (1/t15) (Hz)  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
8210  
4874  
3678  
2954  
2119  
1418  
829  
453  
98  
50  
30  
25  
15  
10  
5
59.3  
49.5  
29.8  
24.8  
15  
2.5  
50  
NOTES:  
1. fCLKIN = 7.68MHz.  
30  
25  
2. In one-shot mode, a small additional delay is needed to start the  
device from standby.  
15  
10  
10  
Settling Time Using the Input Multiplexer  
The fastest way to switch the input multiplexer is to issue a  
WREG command immediately when nDRDY goes low, then  
the next channel conversion starts and we can read  
conversion data of previous channel at the same time. Figure  
12 shows a timing demo of channel switching and data read.  
Note that when cycling through channel, nDRDY goes low to  
5
5
2.5  
2.5  
NOTE:  
1. fCLKIN = 7.68MHz.  
t14  
t15  
nDRDY  
14 × τCLKIN  
RDATA  
14 × τCLKIN  
RDATA  
WREG 23h  
to MUX reg  
WREG 45h  
to MUX reg  
DIN  
Data from  
MUX = 01h  
Data from  
MUX = 23h  
DOUT  
MUX  
01h  
23h  
AINP = AIN2, AINN = AIN3  
45h  
AINP = AIN4, AINN = AIN5  
Register AINP = AIN0, AINN = AIN1  
Figure 12. Cycling the SGM5860x Input Multiplexer  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
Settling Time Using One-Shot Mode  
Issue a STANDBY command can let chip go into low power  
standby mode. A WAKEUP command can wake up the chip  
and perform one time one-shot conversion. It will take t18 plus  
3 nRDRY conversion cycles to wake up and fully settle the  
conversion data. After the conversion, if we want to go to  
standby again, another STANDBY command is needed.  
Figure 13 shows the sequence.  
Data Format  
The SGM5860x output 24-bit data in binary two's complement  
format. The ideal output codes for different input signals are  
summarized as shown in Table 15.  
Table 15. Ideal Output Code for Different Input Signals  
Input Signal VIN (AINP - AINN)  
Ideal Output Code (1)  
+ 2VREF  
7FFFFFh  
PGA  
+ 2VREF  
000001h  
000000h  
FFFFFFh  
PGA 223 - 1  
Settling Time while Continuously Converting  
In the continuous mode, when there is a step change of the  
input, it usually needs several nDRDY periods to fully set up  
the data, which is shown in Table 14.  
(
)
0
- 2VREF  
PGA 223 - 1  
(
)
223  
- 2V  
REF   
Table 14. Data Settling Delay vs. Data Rate  
800000h  
PGA 223 - 1  
Data Rate (SPS)  
Settling Time (nDRDY Periods)  
NOTE:  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
5
5
3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1. Except for effects of INL, noise, offset, and gain errors.  
General-Purpose Digital I/O (D0 to D3)  
The SGM58601 has 4 digital I/O pins and the SGM58600/2  
have 2 digital I/O pins. All I/O pins are separately controllable  
by IO registers. During standby and power-down modes, the  
GPIOs are still active. If GPIOs work as output, they keep  
driving output. If the digital I/O pins are not used, either  
configure them as input and connect them to ground or  
configure them as outputs. This will reduce power dissipation.  
50  
Clock Output (D0/CLKOUT)  
The clock output can be a clock source for other processor.  
30  
25  
Clock Generation  
15  
The chip clock source can be an external oscillator (need an  
external crystal 7.68MHz), or an external clock source. When  
the source is an oscillator, two capacitors (typically 5pF to  
20pF) are needed to connect both of oscillator's output pins to  
ground.  
10  
5
2.5  
Standby Mode  
Wake Up and First Valid Data  
3 × nDRDY Duty Cycles  
Standby Mode  
SGM5860x  
Status  
t18  
nDRDY  
DIN  
STANDBY  
RDATA  
STANDBY  
WAKEUP  
ADC Data  
DOUT  
Figure 13. One-Shot Conversions Using the STANDBY Command  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
Table 16. Self Offset and System Offset Calibration Timing  
Calibration  
The chip has offset calibration (OFCx) and gain calibration  
(FSCx) registers, which is used to compensate and minimize  
offset error and gain error of ADC results.  
Self Offset Calibration and  
Data Rate (1) (SPS)  
System Offset Calibration Time  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
226µs  
392µs  
Offset errors are corrected with the offset calibration registers  
(OFCx) and gain errors are corrected with the full-scale  
calibration registers (FSCx).  
525µs  
685µs  
925µs  
The output of the SGM5860x after calibration is given by:  
1.4ms  
(3)  
2.4ms  
PGA × V  
3
4
IN  
Output =  
×
- OFC FSC  
2VREF  
4.4ms  
20.4ms  
33.7ms  
40.4ms  
67.1ms  
80.4ms  
134.0ms  
200.3ms  
400.4ms  
800.3ms  
OFC is a binary two's complement number, the ideal value is  
0. FSC is unipolar, and the ideal number is 0x555555. OFC  
and FSC keep the same with different data rate settlings. For  
noise consideration, offset and full-scale errors can be  
calibrated at a lower data rate.  
50  
30  
25  
15  
The SGM5860x provides chip self calibration and system  
10  
calibration function (these are  
a series of command  
SELFOCAL, SELFGCAL, SELFCAL, SYSOCAL, and  
SYSGCAL). Once calibration is initiated, nDRDY goes high  
until the process is completed.  
5
2.5  
NOTE: 1. fCLKIN = 7.68MHz.  
After  
a reset, the chip issue a chip self calibration  
Table 17. Self Gain Calibration Timing  
automatically. Calibration should be performed after the  
buffer configuration or PGA changes.  
PGA Setting  
Data Rate (1) (SPS)  
1, 2  
4, 8, 16, 32, 64, 128  
780µs  
Self-Calibration  
The time required for self offset calibration for the different  
data rate settings is shown in Table 16. The calibration time is  
decreased with fCLKIN increasing. After a self-offset calibration,  
OFC registers is updated automatically.  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
337µs  
592µs  
1.37ms  
792µs  
1.83ms  
992ms  
1.4ms  
2.3ms  
3.2ms  
The time required for self gain calibration under the different  
data rate and PGA settings is shown in Table 17. Self gain  
calibration can update the FSC registers.  
2.1ms  
4.9ms  
3.6ms  
8.4ms  
6.6ms  
15.4ms  
30.6ms  
50.6ms  
60.6ms  
100.6ms  
120.4ms  
200.5ms  
300.0ms  
600.2ms  
1200ms  
71.4ms  
118.0ms  
141.4ms  
234.8ms  
281.0ms  
468.0ms  
701.0ms  
1400ms  
2800ms  
50  
30  
25  
15  
10  
5
2.5  
NOTE: 1. fCLKIN = 7.68MHz.  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
Table 19. System Gain (Offset) Calibration Timing  
The time required for self-calibration under the different data  
rate settings is shown in Table 18. Self-calibration can update  
both the OFC and FSC registers.  
Data Rate (1) (SPS)  
System Gain Calibration Time  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
229µs  
400µs  
Table 18. Self-Calibration Timing  
528µs  
PGA Setting  
Data Rate (1) (SPS)  
667µs  
1, 2  
4, 8, 16, 32, 64, 128  
890µs  
930µs  
60000  
30000  
15000  
7500  
3750  
2000  
1000  
500  
100  
60  
447µs  
1.4ms  
780µs  
1.55ms  
2.09ms  
2.63ms  
3.7ms  
2.4ms  
1ms  
4.4ms  
1.3ms  
20.4ms  
33.7ms  
40.4ms  
67.0ms  
80.4ms  
133.7ms  
200.4ms  
400.4ms  
800.4ms  
1.8ms  
2.8ms  
5.5ms  
50  
4.8ms  
9.5ms  
30  
8.8ms  
17.5ms  
81ms  
25  
40.8ms  
67.4ms  
80.8ms  
134.1ms  
160.8ms  
267.2ms  
400.6ms  
800ms  
1600ms  
15  
134ms  
10  
50  
161ms  
5
30  
268ms  
2.5  
25  
322ms  
NOTE:  
1. fCLKIN = 7.68MHz.  
15  
534ms  
10  
800ms  
5
1600ms  
3200ms  
Auto-Calibration  
Auto-calibration is allowed to enable (ACAL bit in STATUS  
2.5  
register) when completing the write command (WREG).  
NOTE:  
1. fCLKIN = 7.68MHz.  
Serial Interface  
The SGM5860x has an SPI-compatible interface, including  
System Calibration  
nCS, SCLK, DIN and DOUT.  
To perform a system offset calibration, the user must supply a  
zero input differential signal. The time required for system  
offset calibration under the different data rate settings is  
shown in Table 19. System offset calibration can update the  
OFC registers.  
Reset  
There are two methods to reset the SGM5860x: the nRESET  
input pin and RESET command.  
To perform a system gain calibration, the user must supply a  
full-scale input signal to the SGM5860x. The time required for  
system gain calibration under the different data rate settings  
is shown in Table 19. System gain calibration can update the  
FSC registers.  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
DETAILED DESCRIPTION (continued)  
Synchronization  
Power-Down Mode  
There are two kinds of ways to synchronize input sampling,  
SYNC command and nSYNC/nPDWN pin control. The first  
method is to shift in 8-bit SYNC command, this makes the  
chip ready to synchronize, and then issue WAKEUP  
command to synchronize the sampling of the input signal on  
the first rising edge of SCLK shifted in by WAKEUP. The  
second method is to pull nSYNC/nPDWN pin low and then  
set it high, synchronization happens on the rising edge of  
nSYNC/nPDWN.  
In power-down mode, all circuits are turned off, including  
oscillator and clock output. To enter power-down, set  
nSYNC/nPDWN pin low and keep it for 20 nDRDY cycles.  
To get out of power-down mode, set the nSYNC/nPDWN pin  
high, it will take the chip about 30ms to wake up if an external  
crystal oscillator is used. It will take about 8192 CLKIN cycles  
to wake up if an external clock source is used.  
Power-Up  
After a power-up, all registers is reset to their default values.  
And then a self-calibration is performed automatically. We still  
suggest that one more self-calibration by user's own control  
software before the system starts running.  
Standby Mode  
In standby mode, the chip turns off all analog circuits and  
some of the digital circuits. The oscillator circuits still keep  
working. A WAKEUP command lets the chip exit standby  
mode. Details see Figure 13.  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
REGISTER MAPS  
Table 20. Register Maps  
Register  
Address  
Register  
Name  
Reset  
Value  
Bit 7  
Bit 6  
Bit 5  
Bit 4  
Bit 3  
Bit 2  
Bit 1  
Bit 0  
00h  
01h  
02h  
03h  
04h  
05h  
06h  
07h  
08h  
09h  
0Ah  
STATUS  
MUX  
x1h  
01h  
20h  
F0h  
E0h  
xxh  
xxh  
xxh  
xxh  
xxh  
xxh  
ID[3:0]  
ORDER  
ACAL  
BUFEN  
nDRDY  
PSEL[3:0]  
CLK[1:0]  
NSEL[3:0]  
ADCON  
DRATE  
IO  
0
SDCS[1:0]  
PGA[2:0]  
DR[7:0]  
DIR[3:0]  
DIO[3:0]  
OFC0  
OFC1  
OFC2  
FSC0  
FSC1  
FSC2  
OFC[7:0]  
OFC[15:8]  
OFC[23:16]  
FSC[7:0]  
FSC[15:8]  
FSC[23:16]  
REF_  
BUFP  
REF_  
BUFM  
AIN_  
BUFP  
AIN_  
BUFM  
0Bh  
STATUS2  
00h  
Reserved  
STATUS: Status Register  
Register address: 00h  
Reset value = x1h  
DEFAULT  
VALUE  
BITS  
BIT NAME  
DESCRIPTION  
COMMENT  
D[7:4]  
ID[3:0]  
Factory Programmable Identification Bits  
Read only.  
ORDER setting has no effect on input data.  
Output data is always out by most significant byte firstly.  
ORDER setting only has effect on the shifting out  
sequence within byte.  
0000  
Data Output Bit Order  
0 = Most significant bit first (default)  
1 = Least significant bit first  
D[3]  
D[2]  
ORDER  
ACAL  
0
When auto-calibration is enabled, self-calibration starts  
at the completion of the WREG command that changes  
the values of the PGA[2:0] bits in the ADCON register,  
DR[7:0] in the DRATE register or BUFEN bit in the  
STATUS register.  
Auto-Calibration  
0 = Auto-calibration disabled (default)  
1 = Auto-calibration enabled  
0
0
Analog Input Buffer Enable  
0 = Buffer disabled. Positive and negative  
buffers are controlled by AIN_BUFP and  
AIN_BUFM further (default)  
1 = Buffer enabled. Positive and negative  
buffers are enabled no matter how AIN_BUFP,  
AIN_BUFM are  
D[1]  
D[0]  
BUFEN  
nDRDY  
Data Ready  
Read only. This bit copies the status of nDRDY pin.  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
REGISTER MAPS (continued)  
MUX: Input Multiplexer Control Register  
Register address: 01h  
Reset value = 01h  
DEFAULT  
BITS  
BIT NAME  
DESCRIPTION  
COMMENT  
VALUE  
Positive Input Channel (AINP) Select  
0000 = AIN0 (SGM5860x) (default)  
0001 = AIN1 (SGM5860x)  
0010 = AIN2 (SGM58601/2 only)  
0011 = AIN3 (SGM58601/2 only)  
0100 = AIN4 (SGM58601 only)  
0101 = AIN5 (SGM58601 only)  
0110 = AIN6 (SGM58601 only)  
0111 = AIN7 (SGM58601 only)  
1xxx = AINCOM (SGM58600/1 only)  
Ensure only available inputs are selected when  
using the SGM58600.  
When PSEL[3] = 1, PSEL[2], PSEL[1], PSEL[0]  
are dont care.  
D[7:4]  
PSEL[3:0]  
0000  
Negative Input Channel (AINN) Select  
0000 = AIN0 (SGM5860x)  
0001 = AIN1 (SGM5860x) (default)  
0010 = AIN2 (SGM58601/2 only)  
0011 = AIN3 (SGM58601/2 only)  
0100 = AIN4 (SGM58601 only)  
0101 = AIN5 (SGM58601 only)  
0110 = AIN6 (SGM58601 only)  
0111 = AIN7 (SGM58601 only)  
1xxx = AINCOM (SGM58600/1 only)  
Ensure to only select the available inputs when  
using the SGM58600.  
When NSEL[3] = 1, NSEL[2], NSEL[1], NSEL[0]  
are dont care.  
D[3:0]  
NSEL[3:0]  
0001  
ADCON: A/D Control Register  
Register address: 02h  
Reset value = 20h  
DEFAULT  
BITS  
BIT NAME  
DESCRIPTION  
Reserved. Always 0.  
COMMENT  
VALUE  
D[7]  
Reserved  
Read only.  
0
D0/CLKOUT Clock Out Rate  
00 = Clock out off  
01 = Clock out frequency = fCLKIN (default)  
10 = Clock out frequency = fCLKIN/2  
11 = Clock out frequency = fCLKIN/4  
When CLKOUT is not used, it is recommended  
to turn it off.  
D[6:5]  
D[4:3]  
CLK[1:0]  
01  
Sensor Detection Current Sources  
00 = Sensor detection off (default)  
01 = Sensor detection current = 0.5μA  
10 = Sensor detection current = 2μA  
11 = Sensor detection current = 9μA  
SDCS[1:0]  
00  
Programmable Gain Amplifier  
000 = 1 (default)  
001 = 2  
010 = 4  
D[2:0]  
PGA[2:0]  
011 = 8  
000  
100 = 16  
101 = 32  
110 = 64  
111 = 128  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
REGISTER MAPS (continued)  
DRATE: A/D Data Rate Register  
Register address: 03h  
Reset value = F0h  
DEFAULT  
BITS  
BIT NAME  
DESCRIPTION  
COMMENT  
VALUE  
Data Rate  
11110001 = 60000SPS  
11110000 = 30000SPS (default)  
11100000 = 15000SPS  
11010000 = 7500SPS  
11000000 = 3750SPS  
10110000 = 2000SPS  
10100001 = 1000SPS  
10010010 = 500SPS  
10000010 = 100SPS  
01110010 = 60SPS  
The 17 valid data rate settings are shown in the  
table.  
D[7:0]  
DR[7:0]  
11110000  
01100011 = 50SPS  
01010011 = 30SPS  
01000011 = 25SPS  
00110011 = 15SPS  
00100011 = 10SPS  
00010011 = 5SPS  
00000011 = 2.5SPS  
IO: GPIO Control Register  
Register address: 04h  
Reset value = E0h  
DEFAULT  
BITS  
BIT NAME  
DESCRIPTION  
COMMENT  
VALUE  
Digital I/O Direction for Pin D3  
DIR[3] 0 = It's an output  
For SGM58601 only.  
For SGM58601 only.  
1
1
1
0
1 = It's an input (default)  
Digital I/O Direction for Pin D2  
DIR[2] 0 = It's an output  
1 = It's an input (default)  
D[7:4] DIR[3:0]  
Digital I/O Direction for Pin D1  
DIR[1] 0 = It's an output  
1 = It's an input (default)  
Digital I/O Direction for Pin D0/CLKOUT  
DIR[0] 0 = It's an output (default)  
1 = It's an input  
It’s used for GPIO pins data read and write.  
When the GPIO pin is an input configuration, a  
write operation has no effect on it.  
D[3:0]  
DIO[3:0]  
Status of Digital I/O Pins D3, D2, D1, D0/CLKOUT  
A read operation is effective on both input pins  
and output pins.  
0000  
When D0/CLKOUT is used for clock output,  
DIO[0] setting has no effect.  
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SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
REGISTER MAPS (continued)  
OFC0: Offset Calibration Byte 0 - Least Significant Byte  
Register address: 05h  
Reset value is determined by the calibration results.  
BITS  
7
6
5
4
3
2
2
2
2
2
2
1
1
1
1
1
1
0
0
0
0
0
0
BIT NAME  
OFC[7:0]  
OFC1: Offset Calibration Byte 1  
Register address: 06h  
Reset value is determined by the calibration results.  
BITS  
7
6
5
4
3
BIT NAME  
OFC[15:8]  
OFC2: Offset Calibration Byte 2 - Most Significant Byte  
Register address: 07h  
Reset value is determined by the calibration results.  
BITS  
7
6
5
4
3
BIT NAME  
OFC[23:16]  
FSC0: Full-Scale Calibration Byte 0 - Least Significant Byte  
Register address: 08h  
Reset value is determined by the calibration results.  
BITS  
7
6
5
4
3
BIT NAME  
FSC[7:0]  
FSC1: Full-Scale Calibration Byte 1  
Register address: 09h  
Reset value is determined by the calibration results.  
BITS  
7
6
5
4
3
BIT NAME  
FSC[15:8]  
FSC2: Full-Scale Calibration Byte 2 - Most Significant Byte  
Register address: 0Ah  
Reset value is determined by the calibration results.  
BITS  
7
6
5
4
3
BIT NAME  
FSC[23:16]  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
27  
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
REGISTER MAPS (continued)  
STATUS2: Status2 Register  
Register address: 0Bh  
Reset Value = 00h  
DEFAULT  
BITS  
BIT NAME  
DESCRIPTION  
COMMENT  
VALUE  
D[7:4]  
Reserved  
Reserved, should be always set 0000.  
0000  
0
Positive Reference Input Buffer Enable  
0 = Buffer disabled (default)  
1 = Buffer enabled  
D[3]  
D[2]  
D[1]  
D[0]  
REF_BUFP  
REF_BUFM  
AIN_BUFP  
AIN_BUFM  
Negative Reference Input Buffer Enable  
0 = Buffer disabled (default)  
1 = Buffer enabled  
0
Positive Analog Input Buffer Enable  
0 = Buffer disabled (default)  
1 = Buffer enabled  
Functions when BUFEN = 0.  
Functions when BUFEN = 0.  
0
0
Negative Analog Input Buffer Enable  
0 = Buffer disabled (default)  
1 = Buffer enabled  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
28  
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
COMMAND DEFINITIONS  
Table 21 summarizes the commands that control the operation of the SGM5860x. All commands are single byte excluding RREG  
and WREG.  
Table 21. Command Definitions  
Command  
WAKEUP  
RDATA (2)  
RDATAC (2)  
SDATAC (2)  
RREG  
Description  
Complete SYNC and Exit Standby Mode  
Read Data  
First Command Byte  
0000 0000 (00h)  
0000 0001 (01h)  
0000 0011 (03h)  
0000 1111 (0Fh)  
0001 ssss (1xh)  
0101 ssss (5xh)  
1111 0000 (F0h)  
1111 0001 (F1h)  
1111 0010 (F2h)  
1111 0011 (F3h)  
1111 0100 (F4h)  
1111 1100 (FCh)  
1111 1101 (FDh)  
1111 1110 (FEh)  
1111 1111 (FFh)  
Second Command Byte  
Read Data Continuous  
Stop Read Data Continuous  
Read from Register ssss  
Write to Register ssss  
0000 qqqq  
0000 qqqq  
WREG  
SELFCAL  
SELFOCAL  
SELFGCAL  
SYSOCAL  
SYSGCAL  
SYNC  
Offset and Gain Self-Calibration  
Offset Self-Calibration  
Gain Self-Calibration  
System Offset Calibration  
System Gain Calibration  
Synchronize the A/D Conversion  
Begin Standby Mode  
STANDBY  
RESET (2)  
WAKEUP  
Reset to Power-Up Values  
Complete SYNC and Exit Standby Mode  
NOTE:  
1. qqqq = number of registers to be read/written - 1. For example, to read/write three registers, set qqqq = 0b0010. ssss = starting register  
address for read/write commands.  
2. Issue this command after nDRDY goes low.  
SELFCAL: Offset and Gain Self-Calibration  
Issue an offset and gain self-calibration command. When the  
calibration starts, nDRDY goes high. When the calibration  
completes, nDRDY goes low, and settled data is ready. Do  
not perform any more operation during this calibration.  
SYSOCAL: System Offset Calibration  
Issue a system offset calibration command. When beginning  
the calibration, nDRDY goes high. When the calibration  
completes, nDRDY goes low, and settled data is ready. Do  
not do any more operation during this calibration.  
SELFOCAL: Offset Self-Calibration  
SYSGCAL: System Gain Calibration  
Issue an offset self-calibration command. When beginning the  
calibration, nDRDY goes high. When the calibration  
completes, nDRDY goes low, and settled data is ready. Do  
not do any more operation during this calibration.  
Issue a system gain calibration command. When beginning  
the calibration, nDRDY goes high. When the calibration  
completes, nDRDY goes low, and settled data is ready. Do  
not do any more operation during this calibration.  
SELFGCAL: Gain Self-Calibration  
RESET: Reset Registers to Default Values  
Reset all registers to default values except CLK[1:0] setting  
(which is in ADCON register).  
Issue a gain self-calibration command. When beginning the  
calibration, nDRDY goes high. When the calibration  
completes, nDRDY goes low, and settled data is ready. Do  
not do any more operation during this calibration.  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
29  
 
SGM58600  
Ultra-Low Noise,  
SGM58601/SGM58602  
24-Bit Analog-to-Digital Converters  
COMMAND DEFINITIONS (continued)  
WAKEUP: Complete SYNC or Exit Standby  
Mode  
The WAKEUP command is used in conjunction with the  
SYNC and STANDBY commands. It provides two values: all  
zeros or all ones.  
RDATAC: Read Data Continuous  
When nDRDY is low, issue the RDATAC command, the chip  
will give out ADC conversion results continuously, see details  
in Figure 14.  
nDRDY  
RDATAC  
DIN  
t6  
ADC Data  
ADC Data  
ADC Data  
DOUT  
Figure 14. RDATAC Command Sequence  
REVISION HISTORY  
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.  
Changes from Original (FEBRUARY 2022) to REV.A  
Page  
Changed from product preview to production data .................................................................................................................................................All  
SG Micro Corp  
www.sg-micro.com  
FEBRUARY 2022  
30  
 
PACKAGE INFORMATION  
PACKAGE OUTLINE DIMENSIONS  
SSOP-20  
D
2.25  
6.55  
E
E1  
b
e
0.43  
0.65  
RECOMMENDED LAND PATTERN (Unit: mm)  
L
A
A1  
c
θ
A2  
Dimensions  
In Millimeters  
Dimensions  
In Inches  
Symbol  
MIN  
MAX  
MIN  
MAX  
A
A1  
A2  
b
1.730  
0.230  
1.600  
0.380  
0.250  
7.400  
5.500  
8.000  
0.068  
0.009  
0.063  
0.015  
0.010  
0.291  
0.217  
0.315  
0.050  
1.400  
0.220  
0.090  
7.000  
5.100  
7.600  
0.002  
0.055  
0.009  
0.004  
0.276  
0.201  
0.299  
c
D
E
E1  
e
0.65 BSC  
0.026 BSC  
L
0.550  
0°  
0.950  
8°  
0.022  
0°  
0.037  
8°  
θ
NOTES:  
1. Body dimensions do not include mode flash or protrusion.  
2. This drawing is subject to change without notice.  
SG Micro Corp  
TX00027.000  
www.sg-micro.com  
PACKAGE INFORMATION  
PACKAGE OUTLINE DIMENSIONS  
SSOP-28  
D
E1  
E
6.55  
2.25  
b
e
0.43  
0.65  
RECOMMENDED LAND PATTERN (Unit: mm)  
L
A
A1  
θ
A2  
c
Dimensions  
In Millimeters  
Dimensions  
In Inches  
Symbol  
MIN  
MAX  
MIN  
MAX  
A
A1  
A2  
b
2.000  
0.079  
0.050  
1.650  
0.220  
0.090  
9.900  
5.000  
7.400  
0.002  
0.065  
0.009  
0.004  
0.390  
0.197  
0.291  
1.850  
0.380  
0.250  
10.500  
5.600  
8.200  
0.073  
0.015  
0.010  
0.413  
0.220  
0.323  
c
D
E
E1  
e
0.65 BSC  
0.026 BSC  
L
0.550  
0°  
0.950  
8°  
0.022  
0°  
0.037  
8°  
θ
NOTES:  
1. Body dimensions do not include mode flash or protrusion.  
2. This drawing is subject to change without notice.  
SG Micro Corp  
TX00029.000  
www.sg-micro.com  
PACKAGE INFORMATION  
PACKAGE OUTLINE DIMENSIONS  
TQFN-3.5×3.5-20L  
D
N20  
PIN 1#  
N1  
D1  
e
E
E1  
L
DETAIL A  
b
TOP VIEW  
BOTTOM VIEW  
2.05  
0.85  
A
A1  
A2  
SIDE VIEW  
2.05  
2.60 4.30  
ALTERNATE A-1  
ALTERNATE A-2  
0.28  
0.50  
DETAIL A  
ALTERNATE TERMINAL  
CONSTRUCTION  
RECOMMENDED LAND PATTERN (Unit: mm)  
Dimensions In Millimeters  
Symbol  
MIN  
0.700  
-
MOD  
0.750  
MAX  
0.800  
0.050  
A
A1  
A2  
D
-
0.203 REF  
3.500  
3.450  
2.000  
3.450  
2.000  
0.200  
3.550  
2.100  
3.550  
2.100  
0.300  
D1  
E
2.050  
3.500  
E1  
b
2.050  
0.250  
e
0.500 BSC  
0.400  
L
0.350  
0.450  
NOTE: This drawing is subject to change without notice.  
SG Micro Corp  
TX00190.000  
www.sg-micro.com  
PACKAGE INFORMATION  
PACKAGE OUTLINE DIMENSIONS  
TQFN-5×5-20L  
D
N20  
PIN 1#  
N1  
D1  
E1  
E
e
L
DETAIL A  
b
TOP VIEW  
BOTTOM VIEW  
3.15  
A
A1  
A2  
SIDE VIEW  
3.15  
3.90 5.60  
ALTERNATE A-1 ALTERNATE A-2  
0.85  
0.30  
DETAIL A  
ALTERNATE TERMINAL  
CONSTRUCTION  
0.65  
RECOMMENDED LAND PATTERN (Unit: mm)  
Dimensions In Millimeters  
Symbol  
MIN  
MOD  
0.750  
MAX  
0.800  
0.050  
A
A1  
A2  
D
0.700  
0.000  
-
0.203 REF  
5.000  
4.950  
3.100  
4.950  
3.100  
0.250  
5.050  
3.200  
5.050  
3.200  
0.350  
D1  
E
3.150  
5.000  
E1  
b
3.150  
0.300  
e
0.650 BSC  
0.550  
L
0.500  
0.600  
NOTE: This drawing is subject to change without notice.  
SG Micro Corp  
TX00191.000  
www.sg-micro.com  
PACKAGE INFORMATION  
PACKAGE OUTLINE DIMENSIONS  
TQFN-5×5-28L  
D
N28  
PIN 1#  
N1  
D1  
E
E1  
e
DETAIL A  
b
L
TOP VIEW  
BOTTOM VIEW  
3.15  
A
A1  
A2  
SIDE VIEW  
4.10  
3.15  
5.60  
ALTERNATE A-1 ALTERNATE A-2  
0.75  
DETAIL A  
ALTERNATE TERMINAL  
CONSTRUCTION  
0.25  
0.50  
RECOMMENDED LAND PATTERN (Unit: mm)  
Dimensions In Millimeters  
Symbol  
MIN  
MOD  
0.750  
MAX  
0.800  
0.050  
A
A1  
A2  
D
0.700  
0.000  
-
0.203 REF  
5.000  
4.950  
3.100  
4.950  
3.100  
0.200  
5.050  
3.200  
5.050  
3.200  
0.300  
D1  
E
3.150  
5.000  
E1  
b
3.150  
0.250  
e
0.500 BSC  
0.450  
L
0.400  
0.500  
NOTE: This drawing is subject to change without notice.  
SG Micro Corp  
TX00088.001  
www.sg-micro.com  
PACKAGE INFORMATION  
TAPE AND REEL INFORMATION  
REEL DIMENSIONS  
TAPE DIMENSIONS  
P2  
P0  
W
Q2  
Q4  
Q2  
Q4  
Q2  
Q4  
Q1  
Q3  
Q1  
Q3  
Q1  
Q3  
B0  
Reel Diameter  
P1  
A0  
K0  
Reel Width (W1)  
DIRECTION OF FEED  
NOTE: The picture is only for reference. Please make the object as the standard.  
KEY PARAMETER LIST OF TAPE AND REEL  
Reel Width  
Reel  
Diameter  
A0  
B0  
K0  
P0  
P1  
P2  
W
Pin1  
Package Type  
W1  
(mm)  
(mm) (mm) (mm) (mm) (mm) (mm) (mm) Quadrant  
SSOP-20  
SSOP-28  
13″  
13″  
13″  
13″  
13″  
12.4  
16.4  
12.4  
12.4  
12.4  
8.15  
8.20  
3.80  
5.30  
5.30  
7.60  
10.50  
3.80  
5.30  
5.30  
1.88  
0.30  
0.95  
1.10  
1.10  
4.0  
4.0  
4.0  
4.0  
4.0  
12.0  
12.0  
8.0  
2.0  
2.0  
2.0  
2.0  
2.0  
16.0  
16.0  
12.0  
12.0  
12.0  
Q1  
Q1  
Q2  
Q2  
Q2  
TQFN-3.5×3.5-20L  
TQFN-5×5-20L  
TQFN-5×5-28L  
8.0  
8.0  
SG Micro Corp  
TX10000.000  
www.sg-micro.com  
PACKAGE INFORMATION  
CARTON BOX DIMENSIONS  
NOTE: The picture is only for reference. Please make the object as the standard.  
KEY PARAMETER LIST OF CARTON BOX  
Length  
(mm)  
Width  
(mm)  
Height  
(mm)  
Reel Type  
Pizza/Carton  
13″  
386  
280  
370  
5
SG Micro Corp  
www.sg-micro.com  
TX20000.000  

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