MAX6043BAUT10 [MAXIM]
Precision High-Voltage Reference in SOT23; SOT23封装高精度电压基准
| 型号： | MAX6043BAUT10 |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Precision High-Voltage Reference in SOT23 |
| 文件： | 总15页 (文件大小：462K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-3036; Rev 1; 5/04
Precision High-Voltage Reference in SOT23
General Description
Features
ꢀ +2.5V, +3.3V, +4.096V, +5.0V, or +10V Output
The MAX6043 precision voltage reference provides
accurate preset +2.5V, +3.3V, +4.096V, +5.0V, and
+10V reference voltages from up to +40V input volt-
ages. The MAX6043 features a proprietary temperature
coefficient curvature-correction circuit and laser-
trimmed thin-film resistors that result in a very low tem-
perature coefficient of 15ppm/°C (max) and excellent
initial accuracy of 0.05% (max). Low temperature drift
and low noise make the MAX6043 ideal for use with
high-resolution A/D or D/A converters.
Voltages
ꢀ Excellent Temperature Stability: 15ppm/°C (max)
ꢀ Tight Initial Accuracy: 0.05% (max)
ꢀ Tiny SOT23 Package
ꢀ Wide +4.5V to +40V Supply Voltage Range
ꢀ Low Noise: 4µV
(typ at 2.5V Output)
P-P
ꢀ Short-Circuit Protected
ꢀ Wide Operating Temperature Range
The MAX6043 draws 320µA of supply current and
sources 10mA or sinks 0.6mA of load current. The
MAX6043 uses bandgap technology for low-noise per-
formance and excellent accuracy. The MAX6043 does
not require an output bypass capacitor for stability, and
is stable with capacitive loads up to 100µF. Eliminating
the output bypass capacitor saves valuable board area
in space-critical applications. The supply-independent,
low supply current makes the MAX6043 ideal for bat-
tery-operated, high-performance systems.
-40°C to +125°C
ꢀ Stable with Capacitive Loads from 0 to 100µF
ꢀ No External Capacitors Required for Stability
Ordering Information
PIN-
TOP
PART
TEMP RANGE
PACKAGE MARK
MAX6043AAUT25-T -40°C to +125°C 6 SOT23-6 ABRZ
The MAX6043 is available in a 6-pin SOT23 package
and operates over the automotive (-40°C to +125°C)
temperature range.
MAX6043BAUT25-T -40°C to +125°C 6 SOT23-6 ABDQ
MAX6043CAUT25-T -40°C to +125°C 6 SOT23-6 ABDR
Ordering Information continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
Applications
Analog-to-Digital Converters
Digital-to-Analog Converters
Digital Voltmeters
Selector Guide
TEMPCO
OUTPUT
VOLTAGE
(V)
INITIAL
ACCURACY
(%)
(ppm/oC)
-40oC to
+125oC
PART
Voltage Regulators
Threshold Detectors
MAX6043AAUT25
MAX6043BAUT25
MAX6043CAUT25
MAX6043AAUT33
MAX6043BAUT33
MAX6043CAUT33
MAX6043AAUT41
MAX6043BAUT41
MAX6043CAUT41
MAX6043AAUT50
MAX6043BAUT50
MAX6043CAUT50
MAX6043AAUT10
MAX6043BAUT10
MAX6043CAUT10
2.5
2.5
15
20
65
15
20
65
15
20
65
15
20
65
15
20
65
0.06
0.1
Pin Configuration
2.5
0.5
TOP VIEW
3.3
0.06
0.1
3.3
3.3
0.5
I.C.*
GND
I.C.*
1
2
3
6
5
4
OUTS
OUTF
IN
4.096
4.096
4.096
5.0
0.06
0.1
MAX6043
0.5
0.06
0.1
5.0
5.0
0.5
SOT23-6
10.0
10.0
10.0
0.05
0.1
*INTERNALLY CONNECTED. DO NOT CONNECT.
0.5
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Precision High-Voltage Reference in SOT23
ABSOLUTE MAXIMUM RATINGS
IN to GND...............................................................-0.3V to +42V
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Junction Temperature Range............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
OUTF, OUTS to GND...................................-0.3V to (V + 0.3V)
IN
Continuous Power Dissipation (T = +70°C)
A
6-Pin SOT23 (derate 9.1mW/°C above +70°C)............727mW
OUT_ Short-Circuit Duration.....................................................5s
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.
ELECTRICAL CHARACTERISTICS—V
= +2.5V
OUT
(V = +5V, I
= 0, T = T
to T
. Typical values are at T = +25°C, unless otherwise noted.) (Note 1)
MAX A
IN
OUT
A
MIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6043A (0.06%)
2.4985
2.4975
2.4876
2.5000
2.5015
2.5025
2.5125
15
MAX6043B (0.1%)
MAX6043C (0.5%)
MAX6043A_25
2.5000
Output Voltage
I
= 0, T = +25°C
V
OUT
A
2.5000
3
5
Output-Voltage Temperature
Coefficient (Note 2)
T
= -40°C to +125°C
MAX6043B_25
25
ppm/°C
A
MAX6043C_25
10
1
65
T
A
T
A
T
A
T
A
T
A
T
A
= +25°C
6
Line Regulation (Note 4)
Load Regulation (Note 4)
OUT Short-Circuit Current
4.5V < V < 40V
IN
ppm/V
= -40°C to +125°C
= +25°C
1.5
8
10
70
Sourcing,
0 < I
< 10mA
OUT
= -40°C to +125°C
= +25°C
70
ppm/mA
mA
70
900
900
Sinking,
-0.6mA < I
< 0mA
OUT
= -40°C to +125°C
Output shorted to GND
Output shorted to IN
(Note 3)
60
-2
Thermal Hysteresis
Long-Term Stability
150
150
ppm
ppm
∆t = 1000hr
DYNAMIC CHARACTERISTICS
0.1Hz to 10Hz
10Hz to 1kHz
4
7
µV
P-P
Output Noise Voltage
µV
RMS
Turn-On Settling Time
INPUT
To V
= 0.05% of final value, C
= 50pF
150
µs
OUT
OUT
Supply Voltage Range
Inferred from line regulation test
4.5
40.0
490
650
V
T
A
A
= +25°C
320
370
Quiescent Supply Current
I
= 0
µA
OUT
T
= -40°C to +125°C
2
_______________________________________________________________________________________
Precision High-Voltage Reference in SOT23
ELECTRICAL CHARACTERISTICS—V
= +3.3V
OUT
(V = +10V, I
= 0, T = T
to T
. Typical values are at T = +25°C, unless otherwise noted.) (Note 1)
MAX A
IN
OUT
A
MIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6043A (0.06%)
3.2980
3.2967
3.2836
3.3000
3.3000
3.3000
3
3.3020
3.3033
3.3165
15
MAX6043B (0.1%)
MAX6043C (0.5%)
MAX6043A_33
Output Voltage
I
= 0, T = +25°C
V
OUT
A
Output-Voltage Temperature
Coefficient (Note 2)
T
= -40°C to +125°C
ppm/°C
MAX6043B_33
5
10
1
25
65
6
A
MAX6043C_33
T
A
T
A
T
A
T
A
T
A
T
A
= +25°C
Line Regulation (Note 4)
Load Regulation (Note 4)
OUT Short-Circuit Current
5.3V ≤ V ≤ 40V
ppm/V
IN
= -40°C to +125°C
= +25°C
1.5
23
10
70
70
900
900
Sourcing,
0 ≤ I
≤ 10mA
OUT
= -40°C to +125°C
= +25°C
ppm/mA
mA
100
Sinking,
-0.6mA ≤ I
≤ 0mA
= -40°C to +125°C
OUT
OUT shorted to GND
OUT shorted to IN
(Note 3)
60
-2
Thermal Hysteresis
Long-Term Stability
150
150
ppm
ppm
∆t = 1000hr
DYNAMIC CHARACTERISTICS
0.1Hz to 10Hz
10Hz to 1kHz
5.3
9.5
µV
P-P
Output Noise Voltage
µV
RMS
Turn-On Settling Time
INPUT
To V
= 0.05% of final value, C
= 50pF
180
µs
OUT
OUT
Supply Voltage Range
Inferred from line regulation test
5.3
40.0
490
650
V
T
A
T
A
= +25°C
320
380
Quiescent Supply Current
I
= 0
µA
OUT
= -40°C to +125°C
_______________________________________________________________________________________
3
Precision High-Voltage Reference in SOT23
ELECTRICAL CHARACTERISTICS—V
= +4.096V
OUT
(V = +10V, I
= 0, T = T
to T
. Typical values are at T = +25°C, unless otherwise noted.) (Note 1)
MAX A
IN
OUT
A
MIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6043A (0.06%)
4.0935
4.0919
4.0755
4.0960
4.0985
4.1001
4.1165
15
Output Voltage
I
= 0, T = +25°C
MAX6043B (0.1%)
MAX6043C (0.5%)
MAX6043A_41
4.0960
V
OUT
A
4.0960
3
5
Output-Voltage Temperature
Coefficient (Note 2)
T
= -40°C to +125°C
MAX6043B_41
25
ppm/°C
A
MAX6043C_41
10
1
65
T
A
T
A
T
A
T
A
T
A
T
A
= +25°C
6
Line Regulation (Note 4)
Load Regulation (Note 4)
OUT Short-Circuit Current
6.1V ≤ V ≤ 40V
ppm/V
IN
= -40°C to +125°C
= +25°C
1.5
19
10
70
Sourcing,
0 ≤ I
≤ 10mA
OUT
= -40°C to +125°C
= +25°C
70
ppm/mA
mA
100
900
900
Sinking,
-0.6mA ≤ I
≤ 0mA
OUT
= -40°C to +125°C
OUT shorted to GND
OUT shorted to IN
(Note 3)
60
-2
Thermal Hysteresis
Long-Term Stability
150
150
ppm
ppm
∆t = 1000hr
DYNAMIC CHARACTERISTICS
0.1Hz to 10Hz
10Hz to 1kHz
6.6
12
µV
P-P
Output Noise Voltage
µV
RMS
Turn-On Settling Time
INPUT
To V
= 0.05% of final value, C
= 50pF
200
µs
OUT
OUT
Supply Voltage Range
Inferred from line regulation test
6.1
40.0
490
650
V
T
A
T
A
= +25°C
320
380
Quiescent Supply Current
I
= 0
µA
OUT
= -40°C to +125°C
4
_______________________________________________________________________________________
Precision High-Voltage Reference in SOT23
ELECTRICAL CHARACTERISTICS—V
= +5.0V
OUT
(V = +15V, I
= 0, T = T
to T
. Typical values are at T = +25°C, unless otherwise noted.) (Note 1)
MAX A
IN
OUT
A
MIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6043A (0.06%)
4.9970
4.9950
4.9751
5.0000
5.0030
5.0050
5.0250
15
Output Voltage
I
= 0, T = +25°C
MAX6043B (0.1%)
MAX6043C (0.5%)
MAX6043A_50
5.0000
V
OUT
A
5.0000
3
5
Output-Voltage Temperature
Coefficient (Note 2)
T
= -40°C to +125°C
ppm/°C
MAX6043B_50
25
A
MAX6043C_50
10
1
65
T
A
T
A
T
A
T
A
T
A
T
A
= +25°C
6
Line Regulation (Note 4)
Load Regulation (Note 4)
OUT Short-Circuit Current
7V ≤ V ≤ 40V
ppm/V
IN
= -40°C to +125°C
= +25°C
1.5
32
10
70
Sourcing,
0 ≤ I
≤ 10mA
OUT
= -40°C to +125°C
= +25°C
70
ppm/mA
mA
130
900
900
Sinking,
-0.6mA ≤ I
≤ 0mA
OUT
= -40°C to +125°C
OUT shorted to GND
OUT shorted to IN
(Note 3)
60
-2
Thermal Hysteresis
Long-Term Stability
150
150
ppm
ppm
∆t = 1000hr
DYNAMIC CHARACTERISTICS
0.1Hz to 10Hz
10Hz to 1kHz
9.5
15
µV
P-P
Output Noise Voltage
µV
RMS
Turn-On Settling Time
INPUT
To V
= 0.05% of final value, C
= 50pF
230
µs
OUT
OUT
Supply Voltage Range
Inferred from line regulation test
7.0
40.0
490
650
V
T
A
A
= +25°C
320
380
Quiescent Supply Current
I
= 0
µA
OUT
T
= -40°C to +125°C
_______________________________________________________________________________________
5
Precision High-Voltage Reference in SOT23
ELECTRICAL CHARACTERISTICS—V
= +10.0V
OUT
(V = +15V, I
= 0, T = T
to T
. Typical values are at T = +25°C, unless otherwise noted.) (Note 1)
MAX A
IN
OUT
A
MIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
MAX6043A (0.05%)
9.9950
9.9900
9.9500
10.0000
10.0050
10.0100
10.0500
15
Output Voltage
I
= 0, T = +25°C
V
MAX6043B (0.1%)
MAX6043C (0.5%)
MAX6043A_10
10.0000
OUT
A
10.0000
3
5
Output-Voltage Temperature
Coefficient (Note 2)
T
= -40°C to +125°C
ppm/°C
MAX6043B_10
25
A
MAX6043C_10
10
1
65
T
A
T
A
T
A
T
A
T
A
T
A
= +25°C
6
Line Regulation (Note 4)
Load Regulation (Note 4)
OUT Short-Circuit Current
12V ≤ V ≤ 40V
ppm/V
IN
= -40°C to +125°C
= +25°C
1.5
16
10
70
Sourcing,
0 ≤ I
≤ 10mA
OUT
= -40°C to +125°C
= +25°C
70
ppm/mA
mA
170
900
900
Sinking,
-0.6mA ≤ I
≤ 0mA
OUT
= -40°C to +125°C
OUT shorted to GND
OUT shorted to IN
(Note 3)
60
-2
Thermal Hysteresis
Long-Term Stability
150
150
ppm
ppm
∆t = 1000hr
DYNAMIC CHARACTERISTICS
0.1Hz to 10Hz
10Hz to 1kHz
19
30
µV
P-P
Output Noise Voltage
µV
RMS
Turn-On Settling Time
INPUT
To V
= 0.05% of final value, C
= 50pF
390
µs
OUT
OUT
Supply Voltage Range
Inferred from line regulation test
12.0
40.0
490
650
V
T
A
T
A
= +25°C
320
390
Quiescent Supply Current
I
= 0
µA
OUT
= -40°C to +125°C
Note 1: All devices are 100% production tested at T = +25°C and guaranteed by design over T = T
to T
as specified.
MAX
A
A
MIN
Note 2: Temperature coefficient is defined as ∆V
divided by the temperature range.
OUT
Note 3: Thermal hysteresis defined as the change in output voltage at T = +25°C before and after cycling the device from T
to T
MIN.
A
MAX
Note 4: Line and load regulation do not include the effect of self heating.
6
_______________________________________________________________________________________
Precision High-Voltage Reference in SOT23
Typical Operating Characteristics
(V = +5V for V
IN
= +2.5V, V = +10V for V
= +3.3V or +4.096V, V = +15V for V
IN
= +5V or +10V, I
= 0, T = +25°C,
OUT
IN
OUT
OUT
OUT A
unless otherwise noted.)
OUTPUT VOLTAGE vs. TEMPERATURE
OUTPUT VOLTAGE vs. TEMPERATURE
LOAD REGULATION
(V
OUT
= 10V)
(V = 2.5V)
OUT
(SOURCING, V
= 10V)
OUT
10.005
2.5020
2.5015
4
2
THREE TYPICAL UNITS
THREE TYPICAL UNITS
10.004
10.003
10.002
10.001
10.000
9.999
9.998
9.997
9.996
9.995
9.994
9.993
9.992
9.991
9.990
T
= +25°C
A
0
2.5010
2.5005
2.5000
2.4995
2.4990
T
= -40°C
A
-2
-4
-6
-8
-10
-12
-14
T
= +125°C
A
2.4985
2.4980
T
= +85°C
A
-40 -25 -10
5
20 35 50 65 80 95 110 125
-40 -25 -10
5
20 35 50 65 80 95 110 125
0
10
20
30
40
50
60
70
TEMPERATURE (°C)
TEMPERATURE (°C)
OUTPUT CURRENT (mA)
LOAD REGULATION
LOAD REGULATION
(SINKING, V = 10V)
(SOURCING, V
= 2.5V)
OUT
OUT
2.0
1.5
2.0
1.5
25
20
15
10
5
T
= +25°C
= -40°C
A
T = +25°C
A
T
1.0
1.0
A
T
= -40°C
0.5
T = -40°C
A
0.5
A
0
0
T
= +25°C
A
-0.5
-1.0
-1.5
-2.0
-0.5
-1.0
-1.5
-2.0
0
-5
T
= +125°C
T
= +85°C
A
A
T
= +125°C
A
T
= +85°C
A
-10
-15
T
= +85°C
A
T
= +125°C
A
0
10
20
30
40
50
60
70
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0
-4
-3
-2
-1
0
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
LINE REGULATION
MINIMUM INPUT-OUTPUT DIFFERENTIAL
vs. LOAD CURRENT (V = 2.5V)
LINE REGULATION
(V
= 2.5V)
(V
= 10V)
OUT
OUT
OUT
0.500
0.400
0.300
0.200
0.100
0
3.0
2.5
2.0
1.5
1.0
0.5
0
0.1750
0.1500
0.1250
0.1000
0.0750
0.0500
0.0250
0
∆V
/ V
= 0.1%
OUT OUT
T
= -40°C
A
T
= +125°C
A
T
= +125°C
A
T
= +25°C
A
T
= -40°C
A
T
= +85°C
A
T
= +85°C
A
T
= +125°C
A
T
= +25°C
A
T
= +25°C
A
T
= -40°C
A
T
= +85°C
A
-0.100
-0.200
-0.0250
-0.0500
4
8
12 16 20 24 28 32 36 40
INPUT VOLTAGE (V)
12
16
20
24
28
32
36
40
0
20
40
60
80
INPUT VOLTAGE (V)
LOAD CURRENT (mA)
_______________________________________________________________________________________
7
Precision High-Voltage Reference in SOT23
Typical Operating Characteristics (continued)
(V = +5V for V
IN
= +2.5V, V = +10V for V
= +3.3V or +4.096V, V = +15V for V
IN
= +5V or +10V, I
= 0, T = +25°C,
OUT
IN
OUT
OUT
OUT A
unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO
POWER-SUPPLY REJECTION RATIO
MINIMUM INPUT-OUTPUT DIFFERENTIAL
vs. LOAD CURRENT (V = 10V)
vs. FREQUENCY (V
= 2.5V)
vs. FREQUENCY (V
= 10V)
OUT
OUT
OUT
0
0
-20
-40
-60
-80
3.0
2.5
2.0
1.5
1.0
0.5
0
∆V / V
OUT OUT
= 0.1%
-20
-40
-60
-80
T
= -40°C
A
T
= +25°C
A
T
= +85°C
A
T
= +125°C
A
-100
-120
-100
-120
0.1
1
10
FREQUENCY (kHz)
100
1000
0.1
1
10
FREQUENCY (kHz)
100
1000
0
20
40
60
LOAD CURRENT (mA)
OUTPUT IMPEDANCE
vs. FREQUENCY
SUPPLY CURRENT vs. INPUT VOLTAGE
(V = 2.5V)
SUPPLY CURRENT vs. INPUT VOLTAGE
(V = 10V)
OUT
OUT
= +85°C
100
480
440
400
360
320
280
240
200
160
120
80
440
400
360
320
280
240
200
160
120
80
T
T
= +125°C
A
A
T
= +85°C
T
= +125°C
A
A
10
T
= +25°C
A
1
T = +25°C
A
T
= -40°C
A
T
= -40°C
A
0.1
40
40
0.01
0
0
0.1
1
10
100
1000
0
4
8
12 16 20 24 28 32 36 40
INPUT VOLTAGE (V)
0
4
8
12 16 20 24 28 32 36 40
INPUT VOLTAGE (V)
FREQUENCY (kHz)
SUPPLY CURRENT vs. TEMPERATURE
(V = 2.5V)
SUPPLY CURRENT vs. TEMPERATURE
(V = 10V)
OUTPUT NOISE-VOLTAGE DENSITY
vs. FREQUENCY
OUT
OUT
440
440
420
400
380
360
340
320
300
280
260
240
10,000
1000
100
V
= 5V
V
= 15V
IN
IN
420
400
380
360
340
320
300
280
260
240
V
= 10V
OUT
V
= 2.5V
10
OUT
-40 -25 -10
5
20 35 50 65 80 95 110 125
-40 -25 -10
5
20 35 50 65 80 95 110 125
0.1
1
100
1000
TEMPERATURE (°C)
TEMPERATURE (°C)
FREQUENCY (Hz)
8
_______________________________________________________________________________________
Precision High-Voltage Reference in SOT23
Typical Operating Characteristics (continued)
(V = +5V for V
IN
= +2.5V, V = +10V for V
= +3.3V or +4.096V, V = +15V for V
= +5V or +10V, I
= 0, T = +25°C,
OUT
IN
OUT
IN
OUT
OUT A
unless otherwise noted.)
0.1Hz TO 10Hz OUTPUT NOISE
0.1Hz TO 10Hz OUTPUT NOISE
(V = 10V)
(V
= 2.5V)
OUT
OUT
MAX6043 toc19
MAX6043 toc20
V
V
OUT
OUT
AC-COUPLED
AC-COUPLED
1µV/div
4µV/div
1s/div
1s/div
LOAD TRANSIENT
(V = 2.5V)
LOAD TRANSIENT
(V = 10V)
OUT
OUT
MAX6043 toc21
MAX6043 toc22
V
= 5V
OUT
IN
C
V
= 15V
OUT
IN
C
= 0µF
= 0µF
V
OUT
50mV/div
V
OUT
200mV/div
2.5V
10V
AC-COUPLED
AC-COUPLED
20mA
0
20mA
0
I
OUT
10mA/div
I
OUT
10mA/div
100µs/div
100µs/div
LOAD TRANSIENT
LOAD TRANSIENT
(V
= 2.5V)
(V
= 10V)
OUT
OUT
MAX6043 toc23
MAX6043 toc24
V
= 5V
OUT
V
C
= 15V
IN
OUT
IN
C
= 1µF
= 1µF
V
V
OUT
OUT
50mV/div
2.5V
10V
100mV/div
AC-COUPLED
AC-COUPLED
20mA
0
20mA
0
I
I
OUT
10mA/div
OUT
10mA/div
100µs/div
100µs/div
_______________________________________________________________________________________
9
Precision High-Voltage Reference in SOT23
Typical Operating Characteristics (continued)
(V = +5V for V
IN
= +2.5V, V = +10V for V
= +3.3V or +4.096V, V = +15V for V
= +5V or +10V, I
= 0, T = +25°C,
OUT
IN
OUT
IN
OUT
OUT A
unless otherwise noted.)
LOAD TRANSIENT
(V = 2.5V)
LOAD TRANSIENT
(V = 10V)
OUT
OUT
MAX6043 toc25
MAX6043 toc26
V
= 5V
OUT
V = 15V
IN
OUT
IN
C
= 0µF
C
= 0µF
V
V
OUT
OUT
50mV/div
2.5V
10V
100mV/div
AC-COUPLED
AC-COUPLED
I
I
0
0
OUT
2mA/div
OUT
2mA/div
-2mA
-2mA
200µs/div
400µs/div
LINE TRANSIENT
(V = 2.5V)
LOAD TRANSIENT
(V = 10V)
LOAD TRANSIENT
(V = 2.5V)
OUT
OUT
OUT
MAX6043 toc29
MAX6043 toc28
MAX6043 toc27
V
= 5V
OUT
V = 15V
IN
OUT
IN
C
= 1µF
C
= 1µF
5.5V
IN
AC-COUPLED
500mV/div
4.5V
V
V
OUT
50mV/div
10V
V
OUT
20mV/div
AC-COUPLED
2.5V
AC-COUPLED
V
OUT
AC-COUPLED
10mV/div
I
0
I
OUT
2mA/div
0
OUT
2mA/div
-2mA
-2mA
10µs/div
400µs/div
200µs/div
LINE TRANSIENT
TURN-ON TRANSIENT
(V = 2.5V)
TURN-ON TRANSIENT
(V = 10V)
(V
OUT
= 10V)
OUT
OUT
MAX6043 toc30
MAX6043 toc31
MAX6043 toc32
C
= 0µF
OUT
C
= 0µF
OUT
15.5V
IN
AC-COUPLED
500mV/div
14.5V
15V
5V
V
V
IN
2V/div
V
IN
5V/div
0V
0V
V
OUT
AC-COUPLED
2.5V
10V
10mV/div
V
OUT
1V/div
V
OUT
5V/div
0V
0V
10µs/div
4µs/div
40µs/div
10 ______________________________________________________________________________________
Precision High-Voltage Reference in SOT23
Typical Operating Characteristics (continued)
(V = +5V for V
IN
= +2.5V, V = +10V for V
= +3.3V or +4.096V, V = +15V for V
IN
= +5V or +10V, I
= 0, T = +25°C,
OUT
IN
OUT
OUT
OUT A
unless otherwise noted.)
TURN-ON TRANSIENT
TURN-OFF TRANSIENT
(V = 2.5V)
TURN-ON TRANSIENT
(V = 2.5V)
(V
= 10V)
OUT
OUT
OUT
MAX6043 toc34
MAX6043 toc35
MAX6043 toc33
C
= 1µF
OUT
C
= 0µF
OUT
C
= 1µF
OUT
15V
V
5V
5V
IN
5V/div
V
IN
2V/div
V
IN
2V/div
0V
0V
0V
2.5V
2.5V
10V
V
OUT
5V/div
V
V
OUT
1V/div
OUT
1V/div
0V
0V
0V
40µs/div
1µs/div
40µs/div
TURN-OFF TRANSIENT
(V = 2.5V)
TURN-OFF TRANSIENT
(V = 10V)
TURN-OFF TRANSIENT
OUT
OUT
MAX6043 toc37
MAX6043 toc38
MAX6043 toc36
C
= 1µF
C
= 1µF
OUT
C
= 0µF
OUT
OUT
15V
15V
5V
V
V
IN
5V/div
V
IN
2V/div
IN
5V/div
0V
0V
0V
2.5V
10V
10V
V
V
OUT
5V/div
V
OUT
1V/div
OUT
5V/div
0V
0V
0V
20ms/div
40ms/div
2µs/div
LONG-TERM DRIFT
LONG-TERM DRIFT
(V
= 2.5V)
(V
= 10V)
OUT
OUT
150
150
125
125
100
75
100
75
50
50
25
25
0
0
-25
-50
-25
-50
-75
-100
-125
-75
-100
-125
-150
-150
0
0
200
400
600
800
1000
200
400
600
800
1000
TIME (hr)
TIME (hr)
______________________________________________________________________________________ 11
Precision High-Voltage Reference in SOT23
Pin Description
PIN
1, 3
2
NAME
I.C.
FUNCTION
Internally Connected. Do not connect externally.
GND
IN
Ground
4
Positive Power-Supply Input
Voltage-Reference Force Output. Connect OUTF to OUTS as close to the device as possible. OUTF
and OUTS do not require a bypass capacitor for stability.
5
6
OUTF
OUTS
Voltage-Reference Sense Input
Turn-On Time
The MAX6043 typically turns on and settles to within
0.05% of the preset output voltage in 150µs.
Applications Information
Bypassing/Output Capacitance
For the best line-transient performance, decouple the
input with a 0.1µF ceramic capacitor as shown in the
Typical Operating Circuit. Place the capacitor as close
to IN as possible. When transient performance is less
important, no capacitor is necessary.
Short-Circuited Outputs
The MAX6043 features a short-circuit-protected output.
Internal circuitry limits the output current to 60mA when
short-circuiting the output.
The MAX6043 does not require an output capacitor for
stability and is stable with capacitive loads up to 100µF.
In applications where the load or the supply can experi-
ence step changes, a larger output capacitor reduces
the amount of overshoot (undershoot) and improves the
circuit’s transient response. Place output capacitors as
close to the device as possible for best performance.
Temperature Coefficient vs.
Operating Temperature Range
for a 1 LSB Maximum Error
In a data converter application, the reference voltage of
the converter must stay within a certain limit to keep the
error in the data converter smaller than the resolution
limit through the operating temperature range. Figure 1
shows the maximum allowable reference-voltage tem-
perature coefficient to keep the conversion error to less
than 1 LSB, as a function of the operating temperature
Supply Current
The MAX6043 consumes 320µA of quiescent supply
current. This improved efficiency reduces power dissi-
pation and extends battery life.
range (T
- T
) with the converter resolution as a
MIN
MAX
parameter. The graph assumes the reference-voltage
temperature coefficient as the only parameter affecting
accuracy.
Thermal Hysteresis
Thermal hysteresis is the change in the output voltage
at T = +25°C before and after the device is cycled
A
In reality, the absolute static accuracy of a data convert-
er is dependent on the combination of many parameters
such as integral nonlinearity, differential nonlinearity,
offset error, gain error, as well as voltage-reference
changes.
over its entire operating temperature range. Hysteresis
is caused by differential package stress appearing
across the bandgap core transistors. The typical ther-
mal hysteresis value is 150ppm.
12 ______________________________________________________________________________________
Precision High-Voltage Reference in SOT23
10,000
1000
100
8 BIT
TEMPERATURE
10
1
10 BIT
12 BIT
COEFFICIENT
(ppm/°C)
14 BIT
16 BIT
0.1
18 BIT
20 BIT
100
0.01
1
10
OPERATING TEMPERATURE RANGE (T
- T ) (°C)
MAX MIN
Figure 1. Temperature Coefficient vs. Operating Temperature Range for a 1 LSB Maximum Error
______________________________________________________________________________________ 13
Precision High-Voltage Reference in SOT23
Ordering Information (continued)
Typical Operating Circuit
PIN-
TOP
PART
TEMP RANGE
PACKAGE MARK
INPUT
SUPPLY
REFERENCE
OUTPUT
(SEE ORDERING
INFORMATION)
IN
OUTF
OUTS
MAX6043AAUT33-T -40°C to +125°C 6 SOT23-6 ABSA
MAX6043BAUT33-T -40°C to +125°C 6 SOT23-6 ABDS
MAX6043CAUT33-T -40°C to +125°C 6 SOT23-6
MAX6043AAUT41-T -40°C to +125°C 6 SOT23-6
ABDT
ABSB
MAX6043
MAX6043BAUT41-T -40°C to +125°C 6 SOT23-6 ABDU
MAX6043CAUT41-T -40°C to +125°C 6 SOT23-6 ABDV
MAX6043AAUT50-T -40°C to +125°C 6 SOT23-6 ABSC
MAX6043BAUT50-T -40°C to +125°C 6 SOT23-6 ABDW
MAX6043CAUT50-T -40°C to +125°C 6 SOT23-6 ABDX
MAX6043AAUT10-T -40°C to +125°C 6 SOT23-6 ABSD
MAX6043BAUT10-T -40°C to +125°C 6 SOT23-6 ABDY
MAX6043CAUT10-T -40°C to +125°C 6 SOT23-6 ABDZ
0.1µF*
GND
*INPUT CAPACITOR IS OPTIONAL.
Chip Information
TRANSISTOR COUNT: 152
PROCESS: BiCMOS
14 ______________________________________________________________________________________
Precision High-Voltage Reference in SOT23
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
PACKAGE OUTLINE, SOT-23, 6L
1
21-0058
F
1
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15
© 2004 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
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