MAX6071AAUT18+T [MAXIM]
Low-Noise, High-Precision Series Voltage References;
| 型号： | MAX6071AAUT18+T |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Low-Noise, High-Precision Series Voltage References 光电二极管 |
| 文件： | 总26页 (文件大小：6082K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
General Description
The MAX6070/MAX6071 offer a very low noise and
low-drift voltage reference in a small 6-pin SOT23 package.
These devices provide a 1/f noise voltage of only
Benefits and Features
● 6-Pin SOT23 Package Reduces System Board Space
● Stable Performance Over Temperature and Time
Improves System Accuracy
4.8µV
at an output voltage of 2.5V, with a temperature
P-P
• High ±0.04% Initial Accuracy
• Low 1.5ppm/°C (typ), 6ppm/°C (max) Temperature
Drift
drift of 6ppm/NC (max). The devices consume 150FA of
supply current and can sink and source up to 10mA of load
current. The low-drift and low-noise specifications enable
enhanced system accuracy, making these devices ideal
for high-precision industrial applications. The MAX6070
offers a noise filter option for wideband applications.
• Low 4.8μV
Noise (0.1Hz to 10Hz) at 2.5V
P-P
• Low 200mV Dropout Voltage
• High 85dB Ripple Rejection
● Low 150μA Supply Current Reduces Power
The devices are available in a 6-pin SOT23 package and
are specified over the extended industrial temperature
range of -40NC to +125NC. The 2.5V options are also
available in a 6-bump 0.78mm x 1.41mm wafer-level
package (WLP).
Consumption
● Filter Option Lowers High-Frequency Noise
● Output Options: 1.25V, 1.8V, 2.048V, 2.5V, 3.0V,
3.3V, 4.096V, and 5.0V Cover Common Voltage
Levels for a Wide Variety of Applications
Applications
● High-Accuracy Industrial and Process Control
● Precision Instrumentation
● 0.78mm x 1.41mm WLP with 0.35mm Bump Spacing
● AEC-Q100 Qualified (Refer to Ordering Information)
● High-Resolution ADCs and DACs
● Precision Current Sources
● Automotive
Ordering Information and Selector Guide appears at end of
data sheet.
Typical Operating Circuits
MAX6070
MAX6071
IN
IN
V
IN
V
IN
OUTS
OUTF
OUTS
OUTF
0.1µF
0.1µF
0.1µF
V
V
OUT
OUT
BANDGAP
VOLTAGE
REFERENCE
BANDGAP
VOLTAGE
REFERENCE
FILTER
0.1µF
0.1µF
R
L
R
L
EN
EN
SHUTDOWN
CONTROL
SHUTDOWN
CONTROL
GND
GNDS
GNDF
19-6355; Rev 12; 3/19
MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Absolute Maximum Ratings
OUTF to GNDS, GNDF, GND......................-0.3V to the lower of
Continuous Power Dissipation (T = +70NC)
A
SOT23 (derate 4.3mW/NC above +70NC)................ 347.8mW
WLP (derate 10.2mW/NC above 70NC.........................816mW
Operating Temperature Range........................ -40NC to +125NC
Junction Temperature .....................................................+150NC
Storage Temperature Range............................ -65NC to +150NC
Soldering Temperature (reflow) ......................................+260NC
Lead Temperature (soldering, 10s) ................................+300NC
(V + 0.3V), +6V
IN
OUTS to GNDS, GNDF, GND .................................-0.3V to +6V
IN to GNDS, GNDF, GND .......................................-0.3V to +6V
EN to GNDS, GNDF, GND ......................................-0.3V to +6V
FILTER to GND............................................-0.3V to the lower of
(V + 0.3V), +6V
IN
GNDS to GNDF ....................................................-0.3V to +0.3V
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
Package Information
6 SOT23
PACKAGE CODE
U6+5/U6+5A
Outline Number
21-0058
90-0175
Land Pattern Number
Thermal Resistance, Multi-Layer Board:
Junction to Ambient (θ
)
230°C/W
76°C/W
JA
Junction to Case (θ
)
JC
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board.
For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Maxim Integrated
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT12 (V
= 1.250V)
OUT
(V = +5.0V, I
= 0mA, C
= 0.1FF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
OUTPUT
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX6070A/MAX6071A, T = +25NC
-0.04
-0.08
+0.04
+0.08
6
A
Output Voltage Accuracy
%
MAX6070B/MAX6071B, T = +25NC
A
MAX6070A/MAX6071A
MAX6070B/MAX6071B
1.5
2.0
13
Output Voltage Temperature
Drift (Note 2)
ppm/
NC
TCV
OUT
8
T
T
= +25NC
100
125
150
150
+10
Over specified V
range
A
IN
Line Regulation
FV/V
= T
to T
MAX
A
MIN
0mA < I
0mA < I
< 10mA, sink
70
OUT
Load Regulation
Output Current
FV/mA
mA
< 10mA, source
100
OUT
I
-10
OUT
Sourcing to ground
Sinking from V
25
25
35
85
Short-Circuit Current
I
mA
SC
IN
Long-Term Stability
1000 hours at T = +25°C
A
ppm
ppm
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1FF
3.6
5.0
FV
P-P
OUT
MAX6071 thermal noise, 10Hz to 10kHz,
= 0.1FF
C
Noise Voltage
e
OUT
OUT
FV
RMS
MAX6070 thermal noise, 10Hz to 10kHz,
2.5
100
6
C
= 0.1FF, C
= 0.1FF
OUT
FILTER
Ripple Rejection
Frequency = 60Hz
dB
ms
Fs
MAX6070,
Settling to 0.01%,
C
= 0.1FF
Turn-On Settling Time
t
FILTER
R
C
= 0.1FF
OUT
MAX6071
20
6
MAX6070,
ms
Settling to 0.01%,
= 0.1FF
C
= 0.1FF
Enable Settling Time
t
EN
FILTER
C
OUT
MAX6071
60
Fs
FF
Capacitive-Load Stability Range
INPUT
I
P 10mA
0.1
2.7
10
OUT
Supply Voltage
V
Guaranteed by line regulation
5.5
200
260
6
V
IN
T
= +25NC
130
A
A
Quiescent Supply Current
I
IN
FA
FA
T
= T
to T
MAX
MIN
Shutdown Supply Current
ENABLE
I
SD
Enable Input Current
Enable Logic-High
Enable Logic-Low
I
-1
+1
FA
EN
V
0.7 x V
IH
IN
V
V
0.3 x V
IN
IL
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT18 (V
= 1.800V)
OUT
(V = +5.0V, I
= 0mA, C
= 0.1µF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
OUTPUT
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX6070A/MAX6071A, T = +25°C
-0.04
-0.08
+0.04
+0.08
6
A
Output Voltage Accuracy
%
MAX6070B/MAX6071B, T = +25°C
A
MAX6070A/MAX6071A
MAX6070B/MAX6071B
1.5
2.0
35
Output Voltage Temperature
Drift (Note 2)
TCV
ppm/°C
µV/V
OUT
8
T
T
= +25°C
150
200
200
200
+10
Over specified V
range
A
IN
Line Regulation
= T
to T
MAX
A
MIN
0mA < I
0mA < I
< 10mA, sink
120
120
OUT
Load Regulation
Output Current
µV/mA
mA
< 10mA, source
OUT
I
-10
OUT
Sourcing to ground
Sinking from V
25
25
35
85
Short-Circuit Current
I
mA
SC
IN
Long-Term Stability
1000 hours at T = +25°C
ppm
ppm
A
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1µF
6
7
µV
P-P
OUT
MAX6071 thermal noise, 10Hz to 10kHz
= 0.1µF
C
Noise Voltage
e
OUT
OUT
µV
RMS
MAX6070 thermal noise, 10Hz to 10kHz
5
89
6
C
= 0.1µF, C
= 0.1µF
OUT
FILTER
Ripple Rejection
Frequency = 60Hz
dB
ms
µs
MAX6070
Settling to 0.01%
C
FILTER
= 0.1µF
Turn-On Settling Time
t
R
C
= 0.1µF
OUT
MAX6071
32
6
MAX6070
ms
µs
Settling to 0.01%
= 0.1µF
C
FILTER
= 0.1µF
Enable Settling Time
t
EN
C
OUT
MAX6071
60
Capacitive-Load Stability
Range
I
≤ 10mA
0.1
2.7
10
µF
OUT
INPUT
Supply Voltage
V
Guaranteed by line regulation
5.5
200
260
6
V
IN
T
T
= +25°C
130
A
Quiescent Supply Current
I
µA
µA
IN
= T
to T
MAX
A
MIN
Shutdown Supply Current
ENABLE
I
SD
Enable Input Current
Enable Logic-High
Enable Logic-Low
I
-1
1
µA
V
EN
V
0.7 x V
IH
IN
V
0.3 x V
IN
IL
Maxim Integrated
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT21 (V
= 2.048V)
OUT
(V = +5.0V, I
= 0mA, C
= 0.1µF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
OUTPUT
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX6070A/MAX6071A, T = +25°C
-0.04
-0.08
+0.04
+0.08
6
A
Output Voltage Accuracy
%
MAX6070B/MAX6071B, T = +25°C
A
MAX6070A/MAX6071A
MAX6070B/MAX6071B
1.5
2.0
50
Output Voltage Temperature
Drift (Note 2)
TCV
ppm/°C
µV/V
OUT
8
T
T
= +25°C
180
225
225
225
+10
Over specified V
range
A
A
IN
Line Regulation
= T
to T
MAX
MIN
0mA < I
0mA < I
< 10mA, sink
135
135
OUT
Load Regulation
Output Current
µV/mA
mA
< 10mA, source
OUT
I
-10
OUT
Sourcing to ground
Sinking from V
25
25
35
85
Short-Circuit Current
I
mA
SC
IN
Long-Term Stability
1000 hours at T = +25°C
ppm
ppm
A
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1µF
6.4
8.6
µV
P-P
OUT
MAX6071 thermal noise, 10Hz to 10kHz
= 0.1µF
C
Noise Voltage
e
OUT
OUT
µV
RMS
MAX6070 thermal noise, 10Hz to 10kHz
6.3
86
C
OUT
= 0.1µF, C
= 0.1µF
FILTER
Ripple Rejection
Frequency = 60Hz
dB
ms
µs
MAX6070
6.2
25
Settling to 0.01%
C = 0.1µF
Turn-On Settling Time
t
R
FILTER
C
OUT
= 0.1µF
MAX6071
MAX6070
6.2
65
ms
µs
Settling to 0.01%
= 0.1µF
C = 0.1µF
Enable Settling Time
t
FILTER
EN
C
OUT
MAX6071
Capacitive-Load Stability
Range
I
≤10mA
0.1
2.7
10
µF
OUT
INPUT
Supply Voltage
V
Guaranteed by line regulation
5.5
200
260
6
V
IN
T
T
= +25°C
130
A
A
Quiescent Supply Current
I
µA
µA
IN
= T
to T
MAX
MIN
Shutdown Supply Current
ENABLE
I
SD
Enable Input Current
Enable Logic-High
Enable Logic-Low
I
-1
+1
µA
V
EN
V
0.7 x V
IH
IN
V
0.3 x V
IL
IN
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT25 (V
= 2.500V)
OUT
(V = +5.0V, I
= 0mA, C
= 0.1FF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6070A/MAX6071A, T = +25°C
-0.04
-0.08
+0.04
+0.08
6
A
Output Voltage Accuracy
%
MAX6070B/MAX6071B, T = +25°C
A
MAX6070A/MAX6071A
MAX6070B/MAX6071B
1.5
2.0
60
Output Voltage Temperature Drift
(Note 2)
TCV
ppm/°C
µV/V
OUT
8
T
T
= +25°C
145
175
140
125
Over specified
range
A
Line Regulation
Load Regulation
V
IN
= T
to T
A
MIN MAX
0mA < I
0mA < I
< 10mA, sink
80
75
OUT
µV/mA
< 10mA, source
to T
MAX
OUT
I
= 10mA, T = T
OUT
A
MIN
Dropout Voltage
Output Current
110
230
+10
mV
mA
(Note 3)
I
-10
OUT
Sourcing to ground
25
25
40
85
Short-Circuit Current
I
mA
SC
Sinking from V
IN
Long-Term Stability
1000 hours at T = +25°C
ppm
ppm
A
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1µF
4.8
6
µV
P-P
OUT
MAX6071 thermal noise, 10Hz to 10kHz,
C = 0.1µF
OUT
Noise Voltage
e
OUT
µV
RMS
MAX6070 thermal noise, 10Hz to 10kHz,
= 0.1µF, C = 0.1µF
3
C
OUT
FILTER
MAX6071 thermal noise, f = 1kHz,
= 0.1µF
60
C
OUT
Noise Spectral Density
nV/√Hz
MAX6070 thermal noise, f = 1kHz,
30
84
10
30
10
75
C
= 0.1µF, C
= 0.1µF
OUT
FILTER
Ripple Rejection
Frequency = 60Hz
dB
ms
µs
MAX6070,
Settling to 0.01%,
C
= 0.1µF
Turn-On Settling Time
t
FILTER
R
C
= 0.1µF
OUT
MAX6071
MAX6070,
ms
Settling to 0.01%,
= 0.1µF
C
= 0.1µF
Enable Settling Time
t
EN
FILTER
C
OUT
MAX6071
µs
µF
Capacitive-Load Stability Range
INPUT
I
≤ 10mA
0.1
2.8
10
OUT
Supply Voltage
V
Guaranteed by line regulation
5.5
235
300
6
V
IN
T
T
= +25°C
150
0.6
A
A
Quiescent Supply Current
Shutdown Supply Current
I
µA
µA
IN
= T
to T
MAX
MIN
I
SD
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT25 (V
= 2.500V) (continued)
OUT
(V = +5.0V, I
= 0mA, C
= 0.1FF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
ENABLE/SHUTDOWN
Enable Input Current
Enable Logic-High
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
I
-1
+1
µA
V
EN
V
0.7 x V
IH
IN
Enable Logic-Low
V
0.3 x V
IN
IL
Electrical Characteristics—MAX607__ANT25 (V
= 2.5V)
OUT
(V = +5.0V, I
= 0mA, C = C
= 0.1FF, T = 0NC to +85NC, unless otherwise noted. Typical values are at T = +25NC.) (Note 1)
IN
OUT
IN
OUT A A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
Output Voltage Accuracy
T
= +25°C
-0.1
+0.1
10
%
A
Output Voltage Temperature Drift
(Note 2)
TCV
2.7
60
ppm/°C
OUT
T
T
= +25°C
300
350
200
180
230
+10
Over specified
range
A
Line Regulation
Load Regulation
µV/V
V
= T
to T
MAX
IN
A
MIN
0mA < I
0mA < I
< 10mA, sink
80
75
OUT
µV/mA
< 10mA, source
to T (Note 3)
MAX
OUT
Dropout Voltage
Output Current
I
= 10mA, T = T
110
mV
mA
OUT
A
MIN
I
-10
OUT
Sourcing to ground
Sinking from V
25
25
16
85
Short-Circuit Current
I
mA
SC
IN
Long-Term Stability
1000 hours at T = +25°C
ppm
ppm
A
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1µF
4.8
6
µV
P-P
OUT
Noise Voltage
e
OUT
10Hz to 10kHz, C
= 0.1µF
µV
RMS
OUT
Noise Spectral Density
f
= 1kHz, C
= 0.1µF
60
nV/√Hz
SW
OUT
Ripple Rejection
Frequency = 60Hz
84
30
75
dB
µs
µs
µF
Turn-On Settling Time
t
Settling to 0.01%, C
Settling to 0.01%, C
= 0.1µF
R
OUT
Enable Settling Time
Capacitive-Load Stability Range
INPUT
t
= 0.1µF
EN
OUT
I
≤ 10mA
0.1
2.8
10
OUT
Supply Voltage
V
Guaranteed by line regulation
5
V
IN
T
T
= +25°C
160
0.6
250
320
6
A
A
Quiescent Supply Current
I
µA
µA
IN
= T
to T
MAX
MIN
Shutdown Supply Current
ENABLE/SHUTDOWN
Enable Input Current
Enable Logic-High
I
SD
EN
I
-1
+1
µA
V
V
0.7 x V
IH
IN
Enable Logic-Low
V
0.3 x V
IN
IL
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT30 (V
= 3.000V)
OUT
(V = +5.0V, I
= 0mA, C
= 0.1µF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6070A/MAX6071A, T = +25°C
-0.04
-0.08
+0.04
+0.08
6
A
Output Voltage Accuracy
%
MAX6070B/MAX6071B, T = +25°C
A
MAX6070A/MAX6071A
MAX6070B/MAX6071B
1.5
2.0
90
Output Voltage Temperature Drift
(Note 2)
TCV
ppm/°C
µV/V
OUT
8
T
T
= +25°C
200
260
170
150
150
+10
Over specified
range
A
Line Regulation
Load Regulation
V
= T
to T
MAX
IN
A
MIN
0mA < I
0mA < I
< 10mA, sink
90
90
80
OUT
µV/mA
< 10mA, source
to T (Note 3)
MAX
OUT
Dropout Voltage
Output Current
I
= 10mA, T = T
mV
mA
OUT
A
MIN
I
-10
OUT
Sourcing to ground
Sinking from V
25
25
40
85
Short-Circuit Current
I
mA
SC
IN
Long-Term Stability
1000 hours at T = +25°C
ppm
ppm
A
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1µF
4.6
7.8
µV
P-P
OUT
MAX6071 thermal noise, 10Hz to 10kHz,
= 0.1µF
Noise Voltage
e
OUT
C
OUT
µV
RMS
MAX6070 thermal noise, 10Hz to 10kHz,
5.0
80
C
= 0.1µF, C
= 0.1µF
OUT
FILTER
Ripple Rejection
Frequency = 60Hz
dB
ms
µs
MAX6070,
9.7
40
Settling to 0.01%,
C
= 0.1µF
Turn-On Settling Time
t
FILTER
R
C
= 0.1µF
OUT
MAX6071
MAX6070,
9.7
75
ms
Settling to 0.01%,
= 0.1µF
C
= 0.1µF
Enable Settling Time
t
EN
FILTER
C
OUT
MAX6071
µs
µF
Capacitive-Load Stability Range
INPUT
I
≤ 10mA
0.1
3.2
10
OUT
Supply Voltage
V
Guaranteed by line regulation
5.5
235
300
6
V
IN
T
T
= +25°C
150
0.6
A
A
Quiescent Supply Current
I
µA
µA
IN
= T
to T
MAX
MIN
Shutdown Supply Current
ENABLE/SHUTDOWN
Enable Input Current
Enable Logic-High
I
SD
I
-1
+1
µA
V
EN
V
0.7 x V
IH
IN
Enable Logic-Low
V
0.3 x V
IN
IL
Maxim Integrated
│ 8
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__ AUT33 (V
= 3.300V)
OUT
(V = +5.0V, I
= 0mA, C
= 0.1µF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6070A/MAX6071A, T = +25°C
-0.04
-0.08
+0.04
+0.08
6
A
Output Voltage Accuracy
%
MAX6070B/MAX6071B, T = +25°C
A
MAX6070A/MAX6071A
MAX6070B/MAX6071B
1.5
2.0
90
Output Voltage Temperature Drift
(Note 2)
TCV
ppm/°C
µV/V
OUT
8
T
T
= +25°C
220
285
190
165
Over specified
range
A
Line Regulation
Load Regulation
V
= T
to T
MAX
IN
A
MIN
0mA < I
0mA < I
< 10mA, sink
100
100
OUT
µV/mA
< 10mA, source
to T
MAX
OUT
I
= 10mA, T = T
OUT
A
MIN
Dropout Voltage
Output Current
65
150
10
mV
mA
mA
(Note 3)
I
-10
OUT
Sourcing to ground
25
25
40
85
Short-Circuit Current
I
SC
Sinking from V
IN
Long-Term Stability
1000 hours at T = +25°C
ppm
ppm
A
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1µF
10
9
µV
P-P
OUT
MAX6071 thermal noise, 10Hz to 10kHz,
= 0.1µF
C
Noise Voltage
e
OUT
OUT
µV
RMS
MAX6070 thermal noise, 10Hz to 10kHz,
6
C
= 0.1µF, C
= 0.1µF
OUT
FILTER
Ripple Rejection
Frequency = 60Hz
78
10
42
10
75
dB
ms
µs
MAX6070,
Settling to 0.01%,
C
= 0.1µF
Turn-On Settling Time
t
FILTER
R
C
= 0.1µF
OUT
MAX6071
MAX6070,
ms
Settling to 0.01%,
= 0.1µF
C
= 0.1µF
Enable Settling Time
t
EN
FILTER
C
OUT
MAX6071
µs
µF
Capacitive-Load Stability Range
INPUT
I
≤10mA
0.1
3.5
10
OUT
Supply Voltage
V
Guaranteed by line regulation
5.5
240
330
6
V
IN
T
T
= +25°C
160
0.6
A
Quiescent Supply Current
I
µA
µA
IN
= T
to T
MAX
A
MIN
Shutdown Supply Current
ENABLE/SHUTDOWN
Enable Input Current
Enable Logic-High
I
SD
I
-1
+1
µA
V
EN
V
0.7 x V
IH
IN
Enable Logic-Low
V
0.3 x V
IN
IL
Maxim Integrated
│ 9
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT41 (V
= 4.096V)
OUT
(V = +5.0V, I
= 0mA, C
= 0.1FF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6070A/MAX6071A, T = +25NC
-0.04
-0.08
+0.04
+0.08
6
A
Output Voltage Accuracy
%
MAX6070B/MAX6071B, T = +25NC
A
MAX6070A/MAX6071A
MAX6070B/MAX6071B
1.5
2.0
100
Output Voltage Temperature
Drift (Note 2)
ppm/
NC
TCV
OUT
8
T
T
= +25NC
250
350
225
225
150
+10
Over specified V
range
A
IN
Line Regulation
Load Regulation
FV/V
= T
to T
MAX
A
MIN
0mA < I
0mA < I
< 10mA, sink
125
135
75
OUT
FV/mA
< 10mA, source
OUT
Dropout Voltage
Output Current
I
= 10mA, T = T
to T (Note 3)
MAX
mV
mA
OUT
A
MIN
I
-10
OUT
Sourcing to ground
Sinking from VIN
25
25
35
85
Short-Circuit Current
I
mA
SC
Long-Term Stability
1000 hours at T = +25NC
ppm
ppm
A
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1FF
9.6
12
FV
P-P
OUT
MAX6071 thermal noise, 10Hz to 10kHz,
= 0.1FF
C
Noise Voltage
e
OUT
OUT
FV
RMS
MAX6070 thermal noise, 10Hz to 10kHz,
9
C
= 0.1FF, C
= 0.1FF
OUT
FILTER
Ripple Rejection
Frequency = 60Hz
80
10
40
10
85
dB
ms
Fs
MAX6070,
Settling to 0.01%,
C
= 0.1FF
Turn-On Settling Time
t
FILTER
R
C
= 0.1FF
OUT
MAX6071
MAX6070,
ms
Settling to 0.01%,
= 0.1FF
C
FILTER
= 0.1FF
Enable Settling Time
t
EN
C
OUT
MAX6071
Fs
FF
Capacitive-Load Stability Range
INPUT
I
P 10mA
0.1
4.3
10
OUT
Supply Voltage
V
Guaranteed by line regulation
5.5
235
350
6
V
IN
T
T
= +25NC
150
A
Quiescent Supply Current
I
FA
FA
IN
= T
to T
MAX
A
MIN
Shutdown Supply Current
ENABLE
I
SD
Enable Input Current
Enable Logic-High
Enable Logic-Low
I
-1
+1
FA
EN
V
0.7 x V
IH
IN
V
V
0.3 x V
IN
IL
Maxim Integrated
│ 10
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT50 (V
= 5.000V)
OUT
(V = +5.5V, I
= 0mA, C
= 0.1FF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT
A
A
PARAMETER
OUTPUT
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX6070A/MAX6071A, T = +25°C
-0.04
-0.08
+0.04
+0.08
6
A
Output Voltage Accuracy
%
MAX6070B/MAX6071B, T = +25°C
A
MAX6070A/MAX6071A
MAX6070B/MAX6071B
1.5
2.0
Output Voltage Temperature
Drift (Note 2)
TCV
ppm/°C
µV/V
OUT
8
T
T
= +25°C
200
400
500
275
275
150
+10
Over specified V
range
A
IN
Line Regulation
Load Regulation
= T
to T
MAX
A
MIN
0mA < I
0mA < I
< 10mA, sink
160
160
60
OUT
µV/mA
< 10mA, source
to T
OUT
Dropout Voltage
Output Current
I
= 10mA, T = T
(Note 5)
mV
mA
OUT
A
MIN
MAX
I
-10
OUT
Sourcing to ground
Sinking from V
25
25
35
85
Short-Circuit Current
I
mA
SC
IN
Long-Term Stability
1000 hours at T = +25°C
ppm
ppm
A
Thermal Hysteresis
(Note 4)
DYNAMIC CHARACTERISTICS
1/f noise, 0.1Hz to 10Hz, C
= 0.1mF
9
µV
P-P
OUT
MAX6071 thermal noise, 10Hz to 10kHz,
= 0.1µF
15
C
Noise Voltage
e
OUT
OUT
µV
RMS
MAX6070 thermal noise, 10Hz to 10kHz,
12
74
C
= 0.1µF, C
= 0.1µF
OUT
FILTER
Ripple Rejection
Frequency = 60Hz
dB
ms
µs
MAX6070,
10
Settling to 0.01%,
C
= 0.1µF
Turn-On Settling Time
t
R
FILTER
C
= 0.1µF
OUT
MAX6071
50
MAX6070,
10
ms
Settling to 0.01%,
= 0.1µF
C
= 0.1µF
Enable Settling Time
t
EN
FILTER
C
OUT
MAX6071
100
µs
µF
Capacitive-Load Stability Range
INPUT
I
≤ 10mA
0.1
5.2
10
OUT
Supply Voltage
V
Guaranteed by line regulation
5.5
250
330
6
V
IN
T
T
= +25°C
160
A
Quiescent Supply Current
I
µA
µA
IN
= T
to T
MAX
A
MIN
Shutdown Supply Current
ENABLE
I
SD
Enable Input Current
Enable Logic-High
Enable Logic-Low
I
-1
+1
µA
V
EN
V
0.7 x V
IH
IN
V
0.3 x V
IN
IL
Maxim Integrated
│ 11
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Electrical Characteristics—MAX607__AUT50 (V
= 5.000V) (continued)
OUT
(V = +5.5V, I
= 0mA, C
= 0.1FF, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.) (Note 1)
IN
OUT
OUT A A
Note 1: Limits are 100% production tested at T = +25°C. Specifications where T < +25°C or T > +25°C are guaranteed by
A
A
A
design and characterization.
Note 2: Temperature coefficient is calculated using the “box method” which measures temperature drift as the maximum voltage
variation over a specified temperature range. The unit of measurement is ppm/°C.
Note 3: Dropout voltage is defined as the minimum differential voltage (V - V
) at which V
decreases by 0.2% from its
IN
OUT
OUT
original value at V = 5.0V.
IN
Note 4: Thermal hysteresis is defined as the change in +25NC output voltage before and after cycling the device from T
to T
.
MAX
MIN
Note 5: Dropout voltage is defined as the minimum differential voltage (V – V
) at which V
decreases by 0.2% from its
IN
OUT
OUT
original value at V = 5.5V.
IN
Maxim Integrated
│
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Typical Operating Characteristics
(T = +25°C, unless otherwise noted.)
A
MAX6071_12 OUTPUT
VOLTAGE TEMPERATURE DRIFT
1.2505
MAX6071_25 OUTPUT
VOLTAGE TEMPERATURE DRIFT
MAX6071_41 OUTPUT
VOLTAGE TEMPERATURE DRIFT
2.5010
2.5005
2.5000
2.4995
2.4990
4.0975
4.0970
4.0965
4.0960
4.0955
4.0950
4.0945
1.2502
1.2500
1.2497
1.2495
-50 -25
0
25
50
75 100 125
-50 -25
0
25
50
75 100 125
-50 -25
0
25
50
75 100 125
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
MAX6071_25
LOAD REGULATION
MAX6071_25
LINE REGULATION
MAX6071_12
PSRR vs. FREQUENCY
2.5010
2.5005
2.5000
2.4995
2.4990
2.5020
2.5015
2.5010
2.5005
2.5000
2.4995
2.4990
2.4985
120
100
80
60
40
20
0
T = +85°C
A
T = +125°C
A
T = 0°C
A
T = -40°C
A
2.7
3.4
4.1
4.8
5.5
-10
-5
0
5
10
10
100
1k
10k
100k
INPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
FREQUENCY (Hz)
MAX6071_25
PSRR vs. FREQUENCY
MAX6071_12
SUPPLY CURRENT vs. INPUT VOLTAGE
MAX6071_41
PSRR vs. FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
200
180
160
140
120
100
80
60
40
20
0
10
100
1k
10k
100k
10
100
1k
10k
100k
2.7
3.4
4.1
4.8
5.5
FREQUENCY (Hz)
FREQUENCY (Hz)
INPUT VOLTAGE (V)
Maxim Integrated
│ 13
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
MAX6071_25
SUPPLY CURRENT vs. INPUT VOLTAGE
200
MAX6071_41
SUPPLY CURRENT vs. INPUT VOLTAGE
MAX6071_12
R
vs. FREQUENCY
OUT
200
180
160
140
120
100
80
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
180
160
140
120
100
80
1mA
SOURCING
60
60
40
40
1mA
SINKING
20
20
0
0
2.7
3.4
4.1
4.8
5.5
4.3
4.6
4.9
5.2
5.5
10
100
1k
10k
100k
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
FREQUENCY (Hz)
MAX6071_25
MAX6071_41
MAX6071_12
SUPPLY CURRENT vs. TEMPERATURE
R
vs. FREQUENCY
R
vs. FREQUENCY
OUT
OUT
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.2
1.0
0.8
0.6
0.4
0.2
0
200
180
160
140
120
100
80
V
= 5.5V
IN
V
= 2.7V
IN
1mA
SOURCING
1mA
SOURCING
60
40
1mA
SINKING
1mA
SINKING
20
0
10
100
1k
10k
100k
10
100
1k
10k
100k
-50 -25
0
25
50
75 100 125
FREQUENCY (Hz)
FREQUENCY (Hz)
TEMPERATURE (°C)
MAX6070_12 OUTPUT NOISE
(0.1Hz TO 10Hz)
MAX6071_25
SUPPLY CURRENT vs. TEMPERATURE
MAX6071_41
SUPPLY CURRENT vs. TEMPERATURE
MAX6070 toc09a
250
200
150
100
50
250
200
150
100
50
V
= 1.25V
OUT
V
= 5.5V
IN
V
= 5.5V
IN
2µV/div
V
= 4.3V
IN
V
= 2.8V
IN
0
0
1s/div
-50 -25
0
25
50
75 100 125
-50 -25
0
25
50
75 100 125
TEMPERATURE (°C)
TEMPERATURE (°C)
Maxim Integrated
│ 14
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
MAX6070_12
OUTPUT NOISE DENSITY vs. FREQUENCY
MAX6070_41 OUTPUT NOISE
(0.1Hz TO 10Hz)
MAX6070_25 OUTPUT NOISE
(0.1Hz To 10Hz) (SOT23)
toc08b
MAX6070 toc08c
1k
100
10
VOUT = 2.5V
V
OUT
= 4.096V
4µV/div
C = 0µF
F
∝V/div
C = 0.1µF
F
1
10
100
1k
10k
1s/div
1s/div
FREQUENCY (Hz)
MAX6070_25
OUTPUT NOISE DENSITY vs. FREQUENCY
MAX6070_41
OUTPUT NOISE DENSITY vs. FREQUENCY
1k
100
10
1k
100
10
C = 0µF
F
C = 0µF
F
C = 0.1µF
F
C = 0.1µF
F
1
1
10
100
1k
10k
10
100
1k
10k
FREQUENCY (Hz)
FREQUENCY (Hz)
Maxim Integrated
│ 15
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
MAX6070_12 TURN-ON TRANSIENT
(C = 0µF)
MAX6070_25 TURN-ON TRANSIENT
(C
FILTER
= 0µF)
FILTER
MAX6070 toc10a
MAX6070 toc10b
V
= 5V
IN
0.01% SETTLING
TIME = 21µs
V
= 0V
IN
0.01% SETTLING
TIME = 33µs
V
0V
IN
V
= 5V
IN
= 1.25V
V
= 2.5V
OUT
V
OUT
V
OUT
0V
V
OUT
= 0V
10µs/div
10µs/div
MAX6070_41 TURN-ON TRANSIENT
(C = 0µF)
MAX6070_12 TURN-ON TRANSIENT
(C = 0.1µF)
FILTER
FILTER
MAX6070 toc10c
MAX6070 toc11a
V
= 5V
IN
V
= 5V
IN
V
= 0V
V
= 0V
0.01% SETTLING
TIME = 6.1ms
IN
IN
0.01% SETTLING
TIME = 41µs
V
= 1.25V
OUT
V
= 4.096V
OUT
V
OUT
= 0V
V
= 0V
OUT
10µs/div
2ms/div
MAX6070_25 TURN-ON TRANSIENT
(C = 0.1µF)
MAX6070_41 TURN-ON TRANSIENT
(C = 0.1µF)
FILTER
FILTER
MAX6070 toc11b
MAX6070 toc11c
V
= 5V
IN
0.01% SETTLING TIME = 9.6ms
= 2.5V
V
= 0V
V
IN
= 5V
IN
V
IN
0.01% SETTLING
TIME = 10ms
0V
V
OUT
V
= 4.096V
OUT
V
OUT
0V
V
OUT
= 0V
4ms/div
4ms/div
Maxim Integrated
│ 16
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
MAX6071_12 10ꢀA ꢁLAꢂ ꢃTAꢄNSIꢄꢃ
(C = 0.1µF)
MAX6071_25 10ꢀA ꢁLAꢂ ꢃTAꢄNSIꢄꢃ
(C
LUꢃ
= 0.1µF)
LUꢃ
MAX6070 toc12a
MAX6070 toc12b
V
OUT
V
OUT
V
= 1.25V
V
= 2.5V
OUT
OUT
SINK 10mA
SINK 10mA
I
I
OUT
OUT
SOURCE
10mA
SOURCE
10mA
V
OUT
= 0V
V
OUT
= 0V
10µs/div
10µs/div
MAX6070_12 LINE TRANSIENT
(C = 0.1µF)
MAX6071_41 10ꢀA ꢁLAꢂ ꢃTAꢄNSIꢄꢃ
(C = 0.1µF)
OUT
LUꢃ
MAX6070 toc13a
MAX6070 toc12c
V
IN
= 4.35V
V
OUT
V
IN
V
= 4.096V
OUT
V
IN
= 3.85V
200mV/div
SINK 10mA
V
OUT
20mV/div
I
OUT
SOURCE
10mA
V
OUT
= 0V
20µs/div
10µs/div
MAX6070_41 LINE TRANSIENT
MAX6070_25 LINE TRANSIENT
(C = 0.1µF)
(C
OUT
= 0.1µF)
OUT
MAX6070 toc13c
MAX6070 toc13b
V = 5.25V
IN
V
= 4.35V
IN
V
V
IN
200mV/div
IN
200mV/div
V
IN
= 4.75V
V
IN
= 3.85V
V
OUT
20mV/div
V
OUT
200mV/div
20µs/div
20µs/div
Maxim Integrated
│ 17
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
MAX6070_12 ENABLE TRANSIENT
(C = 0µF)
MAX6070_12 ENABLE TRANSIENT
(C
FILTER
= 0.1µF)
FILTER
MAX6070 toc14
MAX6070 toc15
V
OUT
= 5V
V = 5V
IN
0.01% SETTLING
TIME = 63µs
IN
= 1.25V
V
= 0V
V
= 0V
IN
0.01% SETTLING
TIME = 6.1ms
IN
V
V
= 1.25V
OUT
V
OUT
= 0V
V
= 0V
OUT
10µs/div
2ms/div
MAX6070_25 ENABLE TRANSIENT
(C = 0µF)
MAX6070_25 ENABLE TRANSIENT
(C = 0.1µF)
FILTER
FILTER
MAX6070 toc16
MAX6070 toc17
V
= 5V
V
= 5V
IN
IN
V
= 0V
IN
0.01% SETTLING TIME = 75µs
V
0.01% SETTLING
TIME = 9.6ms
V
= 0V
IN
= 2.5V
OUT
V
= 2.5V
OUT
V
= 0V
V
= 0V
OUT
OUT
4ms/div
10µs/div
MAX6070_41 ENABLE TRANSIENT
(C = 0µF)
MAX6070_41 ENABLE TRANSIENT
(C = 0.1µF)
FILTER
FILTER
MAX6070 toc18
MAX6070 toc19
V
= 5V
IN
V
= 0V
V = 5V
IN
IN
V
= 0V
IN
0.01% SETTLING
TIME = 10ms
0.01% SETTLING TIME = 85µs
V
OUT
= 4.096V
V
= 4.096V
OUT
V
= 0V
V
= 0V
OUT
OUT
10µs/div
4ms/div
Maxim Integrated
│ 18
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Pin Configurations
TOP VIEW
ꢀ
ꢀ
FILTER
1
2
3
6
5
4
OUTF
OUTS
IN
GNDF
GNDS
EN
1
2
3
6
5
4
OUTF
OUTS
IN
MAX6070
MAX6071
GND
EN
SOT23
SOT23
Pin Description
PIN
NAME
FILTER
FUNCTION
MAX6070
MAX6071
Filter Input. Connect a 0.1µF capacitor from FILTER to ground to provide high-frequency
bypass. Leave unconnected, if not used.
1
—
—
2
-
1
—
2
GNDF Ground Force
GND Ground
GNDS Ground Sense. Connect to ground connection at the load.
3
4
5
3
EN
IN
Enable. Drive high to enable the device. Drive low to disable the device.
Supply Input
4
5
OUTS Voltage Reference Sense Output
Voltage Reference Force Output. Short OUTF to OUTS as close as possible to the load.
Bypass OUTF with a capacitor (0.1µF to 10µF) to GND.
6
6
OUTF
Maxim Integrated
│ 19
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Bump Configuration
TOP VIEW
MAX6071
+
OUTS
EN
B1
B2
A1
A2
OUTF
IN
GNDS
GNDF
B3
A3
WLP
Bump Description
BUMP
NAME
FUNCTION
Enable. Drive high to enable the device. Drive low to disable the device.
A1
EN
A2
A3
B1
GNDS Ground Sense. Connect to ground connection at the load.
GNDF Ground Force
OUTS Voltage Reference Sense Output
Voltage Reference Force Output. Short OUTF to OUTS as close as possible to the load. Bypass OUTF with
a capacitor (0.1µF to 10µF) to GNDF.
B2
B3
OUTF
IN
Supply Input. Connect a 0.1µF capacitor to GNDF.
Maxim Integrated
│ 20
www.maximintegrated.com
MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
connect OUTS to OUTF at the point where the voltage
accuracy is needed (see Figure 1). The MAX6071 fea-
tures the same type of Kelvin connection to cancel drops
in the ground return line. Connect the load to ground and
connect GNDS to ground as close as possible to the load
ground connection (see Figure 2).
Detailed Description
Wideband Noise Reduction (FILTER)
To improve wideband noise and transient power-supply
noise with the MAX6070, connect a 0.1FF capacitor from
FILTER to GND (see the Typical Operating Characteristics).
Larger values do not appreciably improve noise reduction.
A 0.1FF capacitor reduces the spectral noise density at
1kHz from 60nV/√Hz to 30nV/√Hz for the 2.5V output.
Noise at the input pin can affect output noise, but can
be reduced by connecting an optional bypass capacitor
between IN and GND as shown in Figure 1.
Shutdown
The MAX6070/MAX6071 feature an active-high enable
pin (EN). Pulling EN low disables the output with a resis-
tive load to ground and forces the quiescent current to
less than 1µA. The value of the load is typically 200kω.
Pulling EN high enables normal operation.
Output Bypassing
The MAX6070/MAX6071 require an output capacitor
between 0.1FF and 10FF. Place the output capacitor
as close to OUTF as possible. For applications driving
switching capacitive loads or rapidly changing load cur-
rents, use a 0.1µF capacitor in parallel with a larger load
capacitor to reduce equivalent series resistance (ESR).
Larger capacitor values and lower ESR reduce transients
on the reference output.
Applications Information
Wideband Noise Reduction
Figure 1 shows a typical noise reduction filter application
circuit. Note that the use of the wideband noise filter will
increase turn-on time.
High-Resolution DAC and
Reference from a Single Supply
Supply Current
Figure 2 shows a typical circuit providing the reference for
a high-resolution, 16-bit MAX541 DAC.
The MAX6070/MAX6071 draw 150FA of current and are
virtually independent of the supply voltage, with only a
1.6FA/V variation with supply voltage.
Precision Current Source
Figure 3 shows a typical circuit providing a precision cur-
rent source. The OUTF output provides the bias current
for the bipolar transistor. OUTS and GNDS sense the
voltage across the resistor and adjust the current sourced
by OUTF accordingly.
Thermal Hysteresis
Thermal hysteresis is the change of output voltage at
T = +25NC before and after the device is cycled over its
A
entire operating temperature range. The typical thermal
hysteresis value is 85ppm.
Turn-On Time
5V SUPPLY
These devices typically turn on and settle to within 0.01%
of their final value in 30Fs. A noise reduction capacitor of
0.1FF increases the turn-on time of the MAX6070 to 10ms.
IN
LOAD
OUTF
OUTS
EN
Output Force and Sense
The MAX6070/MAX6071 provide independent connec-
tions for the force output (OUTF) supplying current to the
load and the circuit input regulating the load voltage via
the output sense pin (OUTS). This configuration allows for
the cancellation of the voltage drop on the lines connect-
ing the MAX6070/MAX6071 and the load. When using
the Kelvin connection made possible by the independent
force and sense outputs, connect OUTF to the load and
0.1µF
MAX6070
FILTER
0.1µF
0.1µF
GND
Figure 1. Reference Output Kelvin Connection
Maxim Integrated
│ 21
www.maximintegrated.com
MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
5V SUPPLY
IN
5V SUPPLY
IN
I
SOURCE
0.1µF
LOAD
V
DD
MAX6071
OUTF
REF
EN
OUTF
MAX6071
MAX541
DAC
OUT
OUTS
0.1µF
OUTS
GNDS
0.1µF
GND GNDS
GND
R
GND
V /R = I
OUT(NOMINAL)
SOURCE
Figure 2. Reference Ground Kelvin Connection
Figure 3. Precision Current Source
Figure 6 shows the results of temperature and humidity
measurements both inside and outside the oven. The key
parameter to note is the purple line which represents the
humidity outside
Long-Term Drift and Humidity Effects
There are many factors that contribute to a voltage
reference’s drift over time. These can include package
stress, board stress and layout, humidity and part-
to-part variation. In an effort to better quantify the
drift of the MAX6070 core over time, Maxim has
evaluated 16 samples on two identical bench setups.
Sixteen MAX6070AAUT25+ samples were installed on a
pair of development boards. One board was set up in a
humidity and temperature controlled oven. The conditions
were set to 25°C and 40% relative humidity. The second
board was set up on the lab bench in the open air, where
humidity was measured to fluctuate between 18% and 51%.
the oven (on the lab bench). The swings in humidity are
Figure 4
apparent in
, with the output voltage drift primarily
tracking the humidity changes.
Maxim is studying the effects of drift and humidity on
multiple references beyond 1,000 hours. Contact the
Maxim technical support line or your local sales office for
details on the latest data.
The results of these experiments are detailed in Figure 4,
Figure 5, and Figure 6. The latest data shows the drift out
to 5,800 hours. The y axis is the drift, measured in parts
per million, between +50ppm and -50ppm. Figure 4 shows
the 16 parts on the lab bench in the open air. It is here the
effects of the humidity fluctuating between 18% and 51%
can be seen.
LONG-TERM STABILITY vs. TIME
(MAX6070AAUT25+)
60
DEV 1
50
DEV 2
DEV 3
40
DEV 4
30
DEV 5
Figure 5 details the same set up in the humidity controlled
oven. Temperature (25°C) and humidity (40%) are relatively
consistent inside the oven. Data was affected a bit at
about the
20
DEV 6
DEV 7
10
DEV 8
0
DEV 9
-10
DEV 10
2,500 hour mark when the pump that regulates the
humidity temporarily stopped working for about 48 hours.
This caused a brief spike in the output voltages before
they returned to their previous profile.
DEV 11
-20
DEV 12
-30
DEV 13
-40
DEV 14
DEV 15
-50
DEV 16
-60
0
1000 2000 3000 4000 5000 6000
DURATION (HOURS)
Figure 4. MAX6070AAUT2.5+ Long-Term Drift on the Bench
Setup
Maxim Integrated
│ 22
www.maximintegrated.com
MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
LONG-TERM STABILITY vs. TIME
(MAX6070AAUT25+)
TEMPERATURE AND RELATIVE HUMIDITY
30
25
20
15
10
5
60
50
40
30
20
10
0
60
50
DEV 1
DEV 2
DEV 3
DEV 4
DEV 5
DEV 6
DEV 7
DEV 8
DEV 9
DEV 10
DEV 11
DEV 12
DEV 13
DEV 14
DEV 15
DEV 16
40
30
20
10
0
-10
-20
-30
-40
-50
-60
CHAMBER TEMPERATURE
LAB TEMPERATURE
CHAMBER HUMIDITY
LAB HUMIDITY
0
0
1000
2000
3000
4000
5000
6000
0
1000 2000 3000 4000 5000 6000
DURATION (HOURS)
DURATION (HOURS)
Figure 5. MAX6070AAUT25+ Long-Term Drift in the Oven
(Temperature = +25°C, Relative Humidity = 40%)
Figure 6. Temperature and Relative Humidity Measured Inside
the Oven and in the Lab Benchtop Environment
Maxim Integrated
│ 23
www.maximintegrated.com
MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Selector Guide
PART
FILTER
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
V
(V)
ACCURACY (%)
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.08
0.04
0.08
0.08
0.08
0.08
0.08
0.08
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.08
0.08
0.08
0.08
0.1
TOP MARK
+ACPF
+ACVV
+ACPH
+ACPJ
+ACPL
+ACPN
+ACPP
+ACVN
+ACPR
+ACPV
+ACTR
+ACPG
+ACSP
+ACPI
OUT
MAX6070AAUT12+T
MAX6070AAUT18/V+T*
MAX6070AAUT18+T
MAX6070AAUT21+T
MAX6070AAUT25+T
MAX6070AAUT30+T
MAX6070AAUT33+T
MAX6070AAUT33/V+T
MAX6070AAUT41+T
MAX6070AAUT50+T
MAX6070AAUT50/V+T
MAX6070BAUT12+T
MAX6070BAUT12/V+T
MAX6070BAUT18+T
MAX6070BAUT21+T
MAX6070BAUT21/V+T
MAX6070BAUT25+T
MAX6070BAUT25/V+T
MAX6070BAUT30+T
MAX6071AAUT30/V+T
MAX6070BAUT33+T
MAX6070BAUT33/V+T
MAX6070BAUT41+T
MAX6070BAUT41/V+T
MAX6070BAUT50+T
MAX6070BAUT50/V+T
MAX6071AAUT12+T
MAX6071AAUT18+T
MAX6071AAUT21+T
MAX6071AAUT25+T
MAX6071AAUT30+T
MAX6071AAUT33+T
MAX6071AAUT41+T
MAX6071AAUT50+T
MAX6071BAUT12+T
MAX6071BAUT18+T
MAX6071BAUT21+T
MAX6071BAUT25+T
MAX6071ANT25+T
1.25
1.8
1.8
2.048
2.5
3.0
3.3
3.3
4.096
5.0
5.0
1.25
1.25
1.8
2.048
2.048
2.5
+ACPK
+ACVG
+ACPM
+ACTS
+ACPO
+ACVQ
+ACPQ
+ACUY
+ACPS
+ACTT
+ACPW
+ACVA
+ACPX
+ACPZ
+ACQB
+ACQD
+ACQF
+ACQH
+ACQJ
+ACQN
+ACPY
+ACQA
+ACQC
+ACQE
+F
2.5
3.0
3.0
3.3
Yes
Yes
Yes
Yes
Yes
Yes
No
3.3
4.096
4.096
5.0
5.0
1.25
1.8
No
No
2.048
2.5
No
No
3.0
No
3.3
No
4.096
5.0
No
No
1.25
1.8
No
No
2.048
2.5
No
No
2.5
MAX6071BAUT25/V+T*
MAX6071BAUT30+T
MAX6071BAUT33+T
MAX6071BAUT41+T
MAX6071BAUT41/V+T*
MAX6071BAUT50+T
MAX6071BAUT50/V+T*
No
2.5
0.08
0.08
0.08
0.08
0.08
0.08
0.08
+ACTU
+ACQG
+ACQI
No
3.0
No
3.3
No
4.096
4.096
5.0
+ACQK
+ACTV
+ACQO
+ACTW
No
No
No
5.0
/V denotes an automotive qualified part.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*Future product–contact factory for availability.
Maxim Integrated
│ 24
www.maximintegrated.com
MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Package Information
Ordering Information
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages. Note that
a “+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
PIN-
PACKAGE
PART
TEMP RANGE
MAX6070AAUT18/V+T* -40°C to +125°C
6 SOT23
6 SOT23
6 SOT23
6 SOT23
6 SOT23
6 SOT23
6 SOT23
6 SOT23
6 SOT23
6 SOT23
6 WLP
MAX6070_AUT_ _+T
MAX6070AAUT33/V+T
MAX6070AAUT50/V+T
MAX6070BAUT12/V+T
MAX6070BAUT21/V+T
MAX6070BAUT25/V+T
MAX6070BAUT33/V+T
MAX6070BAUT41/V+T
MAX6071_AUT_ _+T
MAX6071ANT25+T
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PACKAGE PACKAGE DOCUMENT
LAND
TYPE
CODE
NO.
PATTERN NO.
SOT23-6
U6+5
21-0058
90-0175
Refer to
Application
Note 1891
6 WLP
N60B1+1
21-0744
MAX6071AAUT30/V+T
6 SOT23
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*Future product—contact factory for availability.
Note: The MAX6070/MAX6071 are available in A or B grade
with various output voltages. Choose the desired grade and
output voltage from the Selector Guide and insert the suffix in
the blank above to complete the part number.
Chip Information
PROCESS: BIPOLAR
Maxim Integrated
│ 25
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MAX6070/MAX6071
Low-Noise, High-Precision Series
Voltage References
Revision History
REVISION REVISION
PAGES
CHANGED
DESCRIPTION
NUMBER
DATE
0
10/12
Initial release
—
Added 2.048V, 3.0V, and 5.0V options to data sheet. Revised General Description,
Benefits and Features, Absolute Maximum Ratings, Electrical Characteristics, and
Selector Guide
1
1/13
1–9, 17, 18
Added 1.8V and 3.3V options to data sheet. Revised General Description, Benefits
and Features, Electrical Characteristics, and Selector Guide
2
3
4
3/13
2/14
7/15
1, 2–12, 21, 22
21
Added automotive package for the MAX6070B.
Added automotive packages to data sheet and revised TOC9b. Revised Benefits and
Features section.
1, 16, 22, 23
Added WLP option text, associated Electrical Characteristics table, package drawing
and Bump Description table
5
1/16
1, 2, 7, 19, 22
6
7
8
9
12/17
3/18
8/18
9/18
Added AEC statement to Benefits and Features section and updated Selector Guide
Updated Selector Guide and Ordering Information tables
1, 23
23, 24
23, 24
23, 24
Updated Selector Guide and Ordering Information tables
Updated Selector Guide and Ordering Information tables
Updated Applications Information, Packaging Information, Electrical Characteristics
table, Selector Guide, and Ordering Information
1, 2–12, 23, 24
10
11
12
1018
12/18
3/19
Updated Selector Guide and Ordering Information
23, 24
Updated Package Information, Detailed Description, Selector Guide, and
Ordering Information
2, 22–24
For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses
are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits)
shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
©
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
2019 Maxim Integrated Products, Inc.
│ 26
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