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MAX6043
Technical data
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MAXIM MAX6043 Technical data

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General Description
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 volt­ages. The MAX6043 features a proprietary temperature coefficient curvature-correction circuit and laser­trimmed thin-film resistors that result in a very low tem­perature 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.
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 per­formance 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 bat­tery-operated, high-performance systems.
The MAX6043 is available in a 6-pin SOT23 package and operates over the automotive (-40°C to +125°C) temperature range.
Applications
Analog-to-Digital Converters
Digital-to-Analog Converters
Digital Voltmeters
Voltage Regulators
Threshold Detectors
Features
♦ +2.5V, +3.3V, +4.096V, +5.0V, or +10V Output
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
P-P
(typ at 2.5V Output)
♦ Short-Circuit Protected ♦ Wide Operating Temperature Range
-40°C to +125°C
♦ Stable with Capacitive Loads from 0 to 100µF ♦ No External Capacitors Required for Stability
MAX6043
Precision High-Voltage Reference in SOT23
________________________________________________________________ Maxim Integrated Products 1
19-3036; Rev 1; 5/04
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.
Ordering Information
Ordering Information continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
Selector Guide
Pin Configuration
TOP VIEW
16OUTS
I.C.*
GND
2
MAX6043
34
SOT23-6
*INTERNALLY CONNECTED. DO NOT CONNECT.
5 OUTF
INI.C.*
PART TEMP RANGE
MAX6043AAUT25-T -40°C to +125°C 6 SOT23-6 ABRZ
MAX6043BAUT25-T -40°C to +125°C 6 SOT23-6 ABDQ
MAX6043CAUT25-T -40°C to +125°C 6 SOT23-6 ABDR
PART
MAX6043AAUT25 2.5 15 0.06
MAX6043BAUT25 2.5 20 0.1
MAX6043CAUT25 2.5 65 0.5
MAX6043AAUT33 3.3 15 0.06
MAX6043BAUT33 3.3 20 0.1
MAX6043CAUT33 3.3 65 0.5
MAX6043AAUT41 4.096 15 0.06
MAX6043BAUT41 4.096 20 0.1
MAX6043CAUT41 4.096 65 0.5
MAX6043AAUT50 5.0 15 0.06
MAX6043BAUT50 5.0 20 0.1
MAX6043CAUT50 5.0 65 0.5
MAX6043AAUT10 10.0 15 0.05
MAX6043BAUT10 10.0 20 0.1
MAX6043CAUT10 10.0 65 0.5
OUTPUT
VOLTAGE
(V)
PIN­PACKAGE
TEMPCO
o
(ppm/
C)
o
-40
C to
o
+125
C
INITIAL
ACCURACY
TOP
MARK
(%)
MAX6043
Precision High-Voltage Reference in SOT23
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
IN to GND ...............................................................-0.3V to +42V
OUTF, OUTS to GND...................................-0.3V to (V
IN
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
6-Pin SOT23 (derate 9.1mW/°C above +70°C)............727mW
OUT_ Short-Circuit Duration .....................................................5s
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
ELECTRICAL CHARACTERISTICS—V
OUT
= +2.5V
(VIN= +5V, I
OUT
= 0, TA= T
MIN
to T
MAX
. Typical values are at TA= +25°C, unless otherwise noted.) (Note 1)
OUTPUT
Output Voltage I
Output-Voltage Temperature Coefficient (Note 2)
Line Regulation (Note 4) 4.5V < VIN < 40V
Load Regulation (Note 4)
OUT Short-Circuit Current
Thermal Hysteresis (Note 3) 150 ppm Long-Term Stability ∆t = 1000hr 150 ppm
DYNAMIC CHARACTERISTICS
Output Noise Voltage
Turn-On Settling Time To V
INPUT
Supply Voltage Range Inferred from line regulation test 4.5 40.0 V
Quiescent Supply Current I
PARAMETER CONDITIONS MIN TYP MAX UNITS
= 0, TA = +25°C
OUT
= -40°C to +125°C
T
A
Sourcing, 0 < I
Sinking,
-0.6mA < I
Output shorted to GND 60
Output shorted to IN -2
0.1Hz to 10Hz 4 µV
10Hz to 1kHz 7 µV
< 10mA
OUT
< 0mA
OUT
= 0.05% of final value, C
OUT
= 0
OUT
MAX6043A (0.06%) 2.4985 2.5000 2.5015
MAX6043B (0.1%) 2.4975 2.5000 2.5025
MAX6043C (0.5%) 2.4876 2.5000 2.5125
MAX6043A_25 3 15
MAX6043B_25 5 25
MAX6043C_25 10 65
TA = +25°C16
T
= -40°C to +125°C 1.5 10
A
TA = +25°C870
T
= -40°C to +125°C70
A
TA = +25°C 70 900
T
= -40°C to +125°C 900
A
= 50pF 150 µs
OUT
TA = +25°C 320 490
= -40°C to +125°C 370 650
T
A
ppm/°C
ppm/V
ppm/mA
mA
V
P-P
RMS
µA
MAX6043
Precision High-Voltage Reference in SOT23
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—V
OUT
= +3.3V
(VIN= +10V, I
OUT
= 0, TA= T
MIN
to T
MAX
. Typical values are at TA= +25°C, unless otherwise noted.) (Note 1)
OUTPUT
Output Voltage I
Output-Voltage Temperature Coefficient (Note 2)
Line Regulation (Note 4) 5.3V ≤ VIN ≤ 40V
Load Regulation (Note 4)
OUT Short-Circuit Current
Thermal Hysteresis (Note 3) 150 ppm Long-Term Stability ∆t = 1000hr 150 ppm
DYNAMIC CHARACTERISTICS
Output Noise Voltage
Turn-On Settling Time To V
INPUT
Supply Voltage Range Inferred from line regulation test 5.3 40.0 V
Quiescent Supply Current I
PARAMETER CONDITIONS MIN TYP MAX UNITS
= 0, TA = +25°C
OUT
T
= -40°C to +125°C
A
Sourcing, 0 ≤ I
Sinking,
-0.6mA ≤ I
OUT shorted to GND 60
OUT shorted to IN -2
0.1Hz to 10Hz 5.3 µV
10Hz to 1kHz 9.5 µV
≤ 10mA
OUT
≤ 0mA
OUT
= 0.05% of final value, C
OUT
= 0
OUT
MAX6043A (0.06%) 3.2980 3.3000 3.3020
MAX6043B (0.1%) 3.2967 3.3000 3.3033
MAX6043C (0.5%) 3.2836 3.3000 3.3165
MAX6043A_33 3 15
MAX6043B_33 5 25
MAX6043C_33 10 65
TA = +25°C16
= -40°C to +125°C 1.5 10
T
A
TA = +25°C2370
T
= -40°C to +125°C70
A
TA = +25°C 100 900
T
= -40°C to +125°C 900
A
= 50pF 180 µs
OUT
TA = +25°C 320 490
T
= -40°C to +125°C 380 650
A
ppm/°C
ppm/V
ppm/mA
mA
V
P-P
RMS
µA
MAX6043
Precision High-Voltage Reference in SOT23
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—V
OUT
= +4.096V
(VIN= +10V, I
OUT
= 0, TA= T
MIN
to T
MAX
. Typical values are at TA= +25°C, unless otherwise noted.) (Note 1)
OUTPUT
Output-Voltage Temperature Coefficient (Note 2)
Line Regulation (Note 4) 6.1V ≤ VIN ≤ 40V
Load Regulation (Note 4)
OUT Short-Circuit Current
Thermal Hysteresis (Note 3) 150 ppm Long-Term Stability ∆t = 1000hr 150 ppm
DYNAMIC CHARACTERISTICS
Output Noise Voltage
Turn-On Settling Time To V
INPUT
Supply Voltage Range Inferred from line regulation test 6.1 40.0 V
Quiescent Supply Current I
PARAMETER CONDITIONS MIN TYP MAX UNITS
= 0, TA = +25°C
OUT
T
= -40°C to +125°C
A
Sourcing, 0 ≤ I
Sinking,
-0.6mA ≤ I
OUT shorted to GND 60
OUT shorted to IN -2
0.1Hz to 10Hz 6.6 µV
10Hz to 1kHz 12 µV
≤ 10mA
OUT
≤ 0mA
OUT
= 0.05% of final value, C
OUT
= 0
OUT
MAX6043A (0.06%) 4.0935 4.0960 4.0985
MAX6043B (0.1%) 4.0919 4.0960 4.1001Output Voltage I
MAX6043C (0.5%) 4.0755 4.0960 4.1165
MAX6043A_41 3 15
MAX6043B_41 5 25
MAX6043C_41 10 65
TA = +25°C16
= -40°C to +125°C 1.5 10
T
A
TA = +25°C1970
T
= -40°C to +125°C70
A
TA = +25°C 100 900
T
= -40°C to +125°C 900
A
= 50pF 200 µs
OUT
TA = +25°C 320 490
T
= -40°C to +125°C 380 650
A
V
ppm/°C
ppm/V
ppm/mA
mA
P-P
RMS
µA
MAX6043
Precision High-Voltage Reference in SOT23
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS—V
OUT
= +5.0V
(VIN= +15V, I
OUT
= 0, TA= T
MIN
to T
MAX
. Typical values are at TA= +25°C, unless otherwise noted.) (Note 1)
OUTPUT
Output-Voltage Temperature Coefficient (Note 2)
Line Regulation (Note 4) 7V ≤ VIN ≤ 40V
Load Regulation (Note 4)
OUT Short-Circuit Current
Thermal Hysteresis (Note 3) 150 ppm Long-Term Stability ∆t = 1000hr 150 ppm
DYNAMIC CHARACTERISTICS
Output Noise Voltage
Turn-On Settling Time To V
INPUT
Supply Voltage Range Inferred from line regulation test 7.0 40.0 V
Quiescent Supply Current I
PARAMETER CONDITIONS MIN TYP MAX UNITS
= 0, TA = +25°C
OUT
T
= -40°C to +125°C
A
Sourcing, 0 ≤ I
Sinking,
-0.6mA ≤ I
OUT shorted to GND 60
OUT shorted to IN -2
0.1Hz to 10Hz 9.5 µV
10Hz to 1kHz 15 µV
≤ 10mA
OUT
≤ 0mA
OUT
= 0.05% of final value, C
OUT
= 0
OUT
MAX6043A (0.06%) 4.9970 5.0000 5.0030
MAX6043B (0.1%) 4.9950 5.0000 5.0050Output Voltage I
MAX6043C (0.5%) 4.9751 5.0000 5.0250
MAX6043A_50 3 15
MAX6043B_50 5 25
MAX6043C_50 10 65
TA = +25°C16
= -40°C to +125°C 1.5 10
T
A
TA = +25°C3270
T
= -40°C to +125°C70
A
TA = +25°C 130 900
T
= -40°C to +125°C 900
A
= 50pF 230 µs
OUT
TA = +25°C 320 490
= -40°C to +125°C 380 650
T
A
ppm/°C
ppm/V
ppm/mA
mA
V
P-P
RMS
µA
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