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19-2266; Rev 2; 6/03
3ppm/C, Low-Power, Low-Dropout Voltage Reference
General Description
The MAX6133 high-precision, low-power, low-dropout voltage reference features a low 3ppm/C (max) temperature coefficient and a low dropout voltage (200mV, max). This series-mode device features bandgap technology for low-noise performance and excellent accuracy. Load regulation specifications are guaranteed for source currents up to 15mA. The laser-trimmed, highstability thin-film resistors, together with post-package trimming, guarantee an excellent initial accuracy specification (0.04%, max). The MAX6133 is a series voltage reference and consumes only 40A of supply current (virtually independent of supply voltage). Series-mode references save system power and use minimal external components compared to 2-terminal shunt references. The MAX6133 is available in 8-pin MAX and SO packages. The unique blend of tiny packaging and excellent precision performance make these parts ideally suited for portable and communication applications. o Low Temperature Coefficient 3ppm/C (max), SO 5ppm/C (max), MAX o Tiny 5mm 3mm MAX Package o Low 200mV (max) Dropout Voltage o Low 40A Quiescent Current o 0.04% (max) Initial Accuracy o Low 16VP-P Noise (0.1Hz to 10Hz) (2.5V Output) o 15mA Output Source-Current Capability o Wide 2.7V to 12.6V Supply Voltage o Excellent Line (30V/V, max) and Load (0.05mV/mA, max) Regulation
Features
MAX6133
Applications
Precision Regulators A/D and D/A Converters Power Supplies High-Accuracy Industrial and Process Control Hand-Held Instruments
SUFFIX 25 30 41 50
Selector Guide
VOLTAGE OUTPUT 2.500V 3.000V 4.096V 5.000V
Ordering Information
PART MAX6133A_ _ MAX6133AASA_ _ MAX6133BASA_ _ TEMP RANGE -40C to +125C -40C to +125C -40C to +125C PIN-PACKAGE 8 MAX 8 SO 8 SO MAXIMUM INITIAL ACCURACY (%) 0.06 0.04 0.08 MAXIMUM TEMPCO (ppm/C, -40C to +85C) 5 3 5
Note: Two-number part suffix indicates output voltage option.
Typical Operating Circuit
SUPPLY INPUT IN OUT 0.1F* REFERENCE OUTPUT 0.1F N.C. 3
Pin Configuration
TOP VIEW
N.C. 1 8 7 I.C.* N.C. OUT I.C.*
IN 2
MAX6133
6 5 GND 4
MAX6133
GND
SO/MAX
*INPUT CAPACITORS ARE OPTIONAL. *INTERNALLY CONNECTED, DO NOT CONNECT.
________________________________________________________________ Maxim Integrated Products
1
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3ppm/C, Low-Power, Low-Dropout Voltage Reference MAX6133
ABSOLUTE MAXIMUM RATINGS
Voltage (with Respect to GND) IN ........................................................................-0.3V to +13V OUT..............................................-0.3V to +6V or (VIN + 0.3V) OUT Short Circuit to IN or GND Duration ...............................60s Continuous Power Dissipation (TA = +70C) 8-Pin MAX (derate 5.5mW/C above +70C) .............362mW 8-Pin SO (derate 5.88mW/C above +70C)................471mW Operating Temperature Range .........................-40C to +125C Storage Temperature Range .............................-65C to +150C Junction Temperature ......................................................+150C Lead Temperature (soldering, 10s) .................................+300C
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--MAX6133_25 (VOUT = 2.500V)
(VIN = 5V, CLOAD = 0.1F, IOUT = 0, TA = TMIN to TMAX. Typical values are at TA = +25C, unless otherwise noted.)
PARAMETER Output Voltage SYMBOL VOUT TA = +25C CONDITIONS A grade SO B grade SO MAX A grade SO TA = +25C B grade SO MAX A grade SO Output Voltage Temperature Coefficient (Note 1) TCVOUT B grade SO MAX Input Voltage Range Line Regulation Load Regulation Dropout Voltage (Note 2) Quiescent Supply Current Output Short-Circuit Current Output Voltage Noise Turn-On Settling Time Thermal Hysteresis (Note 3) Long-Term Stability t = 1000 hours SO MAX VIN VOUT/VIN TA = -40C to +85C TA = -40C to +125C TA = -40C to +85C TA = -40C to +125C TA = -40C to +85C TA = -40C to +125C 2.7 2 0.003 0.02 0.2 40 90 -2 16 12 500 120 40 145 MIN 2.4990 2.4980 2.4985 -0.04 -0.08 -0.06 1 4 3 5 1 2 TYP 2.5000 2.5000 2.5000 MAX 2.5010 2.5020 2.5015 +0.04 +0.08 +0.06 3 7 5 10 5 7 12.6 30 0.05 0.2 0.4 60 85 V V/V mV/mA V A mA VP-P VRMS s ppm ppm ppm/C % V UNITS
Output Voltage Accuracy
Inferred from line regulation 2.7V VIN 12.6V VOUT = 0.1%, IOUT = 1mA VOUT = 0.1%, IOUT = 10mA TA = +25C TA = -40C to +125C Short to GND: VOUT = 0V Short to VIN: VOUT = VIN 0.1Hz f 10Hz 10Hz f 1kHz VOUT settles to 0.01% of final value
VOUT/IOUT -100A IOUT 15mA VDO IIN ISC en tON
2
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3ppm/C, Low-Power, Low-Dropout Voltage Reference
ELECTRICAL CHARACTERISTICS--MAX6133_30 (VOUT = 3.0000V)
(VIN = 5V, CLOAD = 0.1F, IOUT = 0, TA = TMIN to TMAX. Typical values are at TA = +25C, unless otherwise noted.)
PARAMETER Output Voltage SYMBOL VOUT TA = +25C CONDITIONS A grade SO B grade SO MAX A grade SO Output Voltage Accuracy TA = +25C B grade SO MAX A grade SO Output Voltage Temperature Coefficient (Note 1) TCVOUT B grade SO MAX Input Voltage Range Line Regulation Load Regulation Dropout Voltage (Note 2) Quiescent Supply Current Output Short-Circuit Current Output Voltage Noise Turn-On Settling Time Thermal Hysteresis (Note 3) Long-Term Stability t = 1000 hours SO MAX VIN VOUT/VIN TA = -40C to +85C TA = -40C to +125C TA = -40C to +85C TA = -40C to +125C TA = -40C to +85C TA = -40C to +125C 3.2 2 0.003 0.01 0.2 40 90 -2 24 15 600 120 40 145 MIN 2.9988 2.9976 2.9982 -0.04 -0.08 -0.06 1 4 3 5 1 2 TYP 3.0000 3.0000 3.0000 MAX 3.0012 3.0024 3.0018 +0.04 +0.08 +0.06 3 7 5 10 5 7 12.6 30 0.06 0.2 0.4 60 85 V V/V mV/mA V A mA VP-P VRMS s ppm ppm ppm/C % V UNITS
MAX6133
Inferred from line regulation 3.2V VIN 12.6V VOUT = 0.1%, IOUT = 1mA VOUT = 0.1%, IOUT = 10mA TA = +25C TA = -40C to +125C Short to GND: VOUT = 0V Short to VIN: VOUT = VIN 0.1Hz f 10Hz 10Hz f 1kHz VOUT settles to 0.01% of final value
VOUT/IOUT -100A IOUT 15mA VDO IIN ISC en tON
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3ppm/C, Low-Power, Low-Dropout Voltage Reference MAX6133
ELECTRICAL CHARACTERISTICS--MAX6133_41 (VOUT = 4.096V)
(VIN = 5V, CLOAD = 0.1F, IOUT = 0, TA = TMIN to TMAX. Typical values are at TA = +25C, unless otherwise noted.)
PARAMETER Output Voltage SYMBOL VOUT TA = +25C CONDITIONS A grade SO B grade SO MAX A grade SO Output Voltage Accuracy TA = +25C B grade SO MAX A grade SO Output Voltage Temperature Coefficient (Note 1) TCVOUT B grade SO MAX Input Voltage Range Line Regulation Load Regulation Dropout Voltage (Note 2) Quiescent Supply Current Output Short-Circuit Current Output Voltage Noise Turn-On Settling Time Thermal Hysteresis (Note 3) Long-Term Stability t = 1000 hours SO MAX VIN VOUT/VIN TA = -40C to +85C TA = -40C to +125C TA = -40C to +85C TA = -40C to +125C TA = -40C to +85C TA = -40C to +125C 4.2 2 0.003 0.01 0.2 45 90 -2 32 22 800 120 40 145 MIN 4.0943 4.0927 4.0935 -0.04 -0.08 -0.06 1 4 3 5 1 2 TYP 4.0960 4.0960 4.0960 MAX 4.0977 4.0993 4.0985 +0.04 +0.08 +0.06 3 7 5 10 5 7 12.6 40 0.08 0.2 0.4 65 85 V V/V mV/mA V A mA VP-P VRMS s ppm ppm ppm/C % V UNITS
Inferred from line regulation 4.2V VIN 12.6V VOUT = 0.1%, IOUT = 1mA VOUT = 0.1%, IOUT = 10mA TA = +25C TA = -40C to +125C Short to GND: VOUT = 0V Short to VIN: VOUT = VIN 0.1Hz f 10Hz 10Hz f 1kHz VOUT settles to 0.01% of final value
VOUT/IOUT -100A IOUT 15mA VDO IIN ISC en tON
4
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3ppm/C, Low-Power, Low-Dropout Voltage Reference
ELECTRICAL CHARACTERISTICS--MAX6133_50 (VOUT = 5.000V)
(VIN = 5.5V, CLOAD = 0.1F, IOUT = 0, TA = TMIN to TMAX. Typical values are at TA = +25C, unless otherwise noted.)
PARAMETER Output Voltage SYMBOL VOUT TA = +25C CONDITIONS A grade SO B grade SO MAX A grade SO Output Voltage Accuracy TA = +25C B grade SO MAX A grade SO Output Voltage Temperature Coefficient (Note 1) TCVOUT B grade SO MAX Input Voltage Range Line Regulation Load Regulation Dropout Voltage (Note 2) Quiescent Supply Current Output Short-Circuit Current Output Voltage Noise Turn-On Settling Time Thermal Hysteresis (Note 3) Long-Term Stability t = 1000 hours SO MAX VIN VOUT/VIN TA = -40C to +85C TA = -40C to +125C TA = -40C to +85C TA = -40C to +125C TA = -40C to +85C TA = -40C to +125C 5.2 2 0.01 0.02 0.2 40 90 -2 40 26 1000 120 40 145 MIN 4.9980 4.9960 4.9970 -0.04 -0.08 -0.06 1 4 3 5 1 2 TYP 5.0000 5.0000 5.0000 MAX 5.0020 5.0040 5.0030 +0.04 +0.08 +0.06 3 7 5 10 5 7 12.6 50 0.10 0.2 0.4 60 85 V V/V mV/mA V A mA VP-P VRMS s ppm ppm ppm/C % V UNITS
MAX6133
Inferred from line regulation 5.2V VIN 12.6V VOUT = 0.1%, IOUT = 1mA VOUT = 0.1%, IOUT = 10mA TA = +25C TA = -40C to +125C Short to GND: VOUT = 0V Short to VIN: VOUT = VIN 0.1Hz f 10Hz 10Hz f 1kHz VOUT settles to 0.01% of final value
VOUT/IOUT -100A IOUT 15mA VDO IIN ISC en tON
Note 1: The MAX6133 is 100% drift-tested for TA = TMIN to TMAX, as specified. Note 2: Dropout Voltage is the minimum voltage at which VOUT changes 0.1% from VOUT at VIN = 5V (VIN = 5.5V for VOUT = 5V). Note 3: Thermal Hysteresis is defined as the change in the initial +25C output voltage after cycling the device from TMAX to TMIN.
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5
3ppm/C, Low-Power, Low-Dropout Voltage Reference MAX6133
Typical Operating Characteristics
(VIN = 5V, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 4)
OUTPUT VOLTAGE vs. TEMPERATURE (VOUT = 2.5V)
MAX6133 toc01
OUTPUT VOLTAGE vs. TEMPERATURE (VOUT = 5V)
3 TYPICAL UNITS VIN = 5.5V
MAX6133 toc02
LOAD REGULATION (VOUT = 2.5V)
2.5035 2.5030 OUTPUT VOLTAGE (V) 2.5025 2.5020 2.5015 2.5010 2.5005 2.5000 2.4995 TA = +25C TA = +85C TA = +125C
MAX6133 toc03 MAX6133 toc09 MAX6133 toc06
2.5010 2.5008 2.5006 OUTPUT VOLTAGE (V) 2.5004 2.5002 2.5000 2.4998 2.4996
3 TYPICAL UNITS
5.0010 5.0005 OUTPUT VOLTAGE (V) 5.0000 4.9995 4.9990 4.9985
2.5040
TA = -40C
2.4994 2.4992 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C) 4.9980 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C)
2.4990 0 2 4 6 8 10 12 14 16 18 20 OUTPUT CURRENT (mA)
LOAD REGULATION (VOUT = 5V)
MAX6133 toc04
DROPOUT VOLTAGE vs. OUTPUT CURRENT (VOUT = 2.5V)
MAX6133 toc05
DROPOUT VOLTAGE vs. OUTPUT CURRENT (VOUT = 5V)
600 550 500 450 400 350 300 250 200 150 100 50 0 0 2 4 6 8 TA = +85C TA = +25C VIN = 5.5V TA = +125C
5.0020 VIN = 5.5V 5.0015 5.0010 OUTPUT VOLTAGE (V) 5.0005 5.0000 4.9995 4.9990 4.9985 4.9980 0 2 4 6 8 TA = -40C TA = +85C TA = +25C TA = +125C
700 600 DROPOUT VOLTAGE (mV) 500 400 300 200 100 0 TA = -40C 0 2 4 6 8 TA = +125C TA = +25C TA = +85C
DROPOUT VOLTAGE (mV)
TA = -40C
10 12 14 16 18 20
10 12 14 16 18 20
10 12 14 16 18 20
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
POWER-SUPPLY REJECTION RATIO vs. FREQUENCY (VOUT = 2.5V)
MAX6133 toc07
POWER-SUPPLY REJECTION RATIO vs. FREQUENCY (VOUT = 5V)
VIN = 5.5V -20 -40 PSRR (dB) -60 -80 -100 -120 0.0001 0.001 0.01
MAX6133 toc08
SUPPLY CURRENT vs. INPUT VOLTAGE (VOUT = 2.5V)
150 135 120 SUPPLY CURRENT (A) 105 90 75 60 45 30 15 TA = +25C TA = -40C TA = +85C TA = +125C
0 -20 -40 PSRR (dB) -60 -80 -100 -120 0.0001 0.001 0.01
0
0 0.1 1 10 100 1000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 INPUT VOLTAGE (V)
0.1
1
10
100
1000
FREQUENCY (kHz)
FREQUENCY (kHz)
6
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3ppm/C, Low-Power, Low-Dropout Voltage Reference
Typical Operating Characteristics (continued)
(VIN = 5V, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 4)
SUPPLY CURRENT vs. INPUT VOLTAGE (VOUT = 5V)
200 180 SUPPLY CURRENT (A) 160 140 120 100 80 60 40 20 0 TA = -40C TA = +25C 1s/div TA = +125C VOUT 4V/div TA = +85C VIN = 5.5V
MAX6133 toc10
MAX6133
0.1Hz TO 10Hz OUTPUT NOISE (VOUT = 2.5V)
MAX6133 toc11
220
0 1 2 3 4 5 6 7 8 9 10 11 12 13 INPUT VOLTAGE (V)
0.1Hz TO 10Hz OUTPUT NOISE (VOUT = 5V)
MAX6133 toc12
LOAD TRANSIENT (VOUT = 2.5V)
COUT = 0.1F
MAX6133 toc13
VIN = 5.5V
2.5V VOUT 10V/div
VOUT 50mV/div AC-COUPLED
10mA 0mA 1s/div 400s/div
IOUT 10mA/div
LOAD TRANSIENT (VOUT = 2.5V)
COUT = 0.1F
LOAD TRANSIENT (VOUT = 2.5V)
MAX6133 toc14
MAX6133 toc15
COUT = 10F VOUT 50mV/div AC-COUPLED 2.5V VOUT 50mV/div AC-COUPLED
2.5V
1mA -100A IOUT 1mA/div 10mA 0mA 1ms/div 400s/div
IOUT 10mA/div
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3ppm/C, Low-Power, Low-Dropout Voltage Reference MAX6133
Typical Operating Characteristics (continued)
(VIN = 5V, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 4)
LOAD TRANSIENT (VOUT = 2.5V)
COUT = 10F 2.5V
MAX6133 toc16
LINE TRANSIENT (VOUT = 2.5V)
MAX6133 toc17
COUT = 0.1F VOUT 20mV/div AC-COUPLED 5.5V VIN 500mV/div AC-COUPLED
4.5V
1mA -100A IOUT 1mA/div 2.5V
VOUT 10mV/div AC-COUPLED
1ms/div
400s/div
LINE TRANSIENT (VOUT = 5V)
MAX6133 toc18
TURN-ON TRANSIENT (VOUT = 2.5V)
MAX6133 toc19
COUT = 0.1F 6.5V
VIN = 5.5V 5V VIN 500mV/div AC-COUPLED VIN 2V/div
5.5V
0V 2.5V VOUT 1V/div
5V
VOUT 10mV/div AC-COUPLED 0V COUT = 0.1F 100s/div
1ms/div
TURN-ON TRANSIENT (VOUT = 5V)
MAX6133 toc20
TURN-ON TRANSIENT (VOUT = 2.5V)
MAX6133 toc21
5.5V
VIN 2V/div
5V VIN 2V/div 0V
0V VOUT 2V/div
5V
2.5V
VOUT 1V/div
0V 400s/div
VIN = 5.5V COUT = 0.1F
0V 2ms/div
COUT = 10F
8
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3ppm/C, Low-Power, Low-Dropout Voltage Reference
Typical Operating Characteristics (continued)
(VIN = 5V, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 4)
TURN-ON TRANSIENT (VOUT = 5V)
MAX6133 toc22
MAX6133
LONG-TERM STABILITY vs. TIME (VOUT = 2.5V)
MAX6133 toc23
LONG-TERM STABILITY vs. TIME (VOUT = 2.5V)
2.5008 2.5006 VOUT (V) 2.5004 2.5002 2.5000 2.4998 2.4996 2.4994 0 100 200 300 400 500 600 700 800 900 1000 TIME (HOURS) 2 TYPICAL UNITS MAX PACKAGE
MAX6133 toc24
2.5008 VIN 2V/div 2.5007 2.5006 2 TYPICAL UNITS SO PACKAGE
2.5010
5.5V
0V VOUT (V) 2.5005 2.5004 2.5003 0V 2ms/div VIN = 5.5V COUT = 10F 2.5002 2.5001 0 100 200 300 400 500 600 700 800 900 1000 TIME (HOURS) VOUT 2V/div
5V
LONG-TERM STABILITY vs. TIME (VOUT = 5.0V)
MAX6133 toc25
LONG-TERM STABILITY vs. TIME (VOUT = 5.0V)
MAX6133 toc26
5.0008 5.0007 5.0006 5.0005 5.0004 5.0003 5.0002 5.0001 5.0000 4.9999 4.9998 4.9997 4.9996 VOUT (V)
5.0014 5.0012 5.0010 VOUT (V) 5.0008 5.0006 5.0004
2 TYPICAL UNITS SO PACKAGE 0 100 200 300 400 500 600 700 800 900 1000 TIME (HOURS)
5.0002 5.0000
2 TYPICAL UNITS MAX PACKAGE 0 100 200 300 400 500 600 700 800 900 1000 TIME (HOURS)
Note 4: Many of the MAX6133 Typical Operating Characteristics are extremely similar. The extremes of these characteristics are found in the MAX6133 (2.5V output) and the MAX6133 (5V output). The Typical Operating Characteristics of the remainder of the MAX6133 family typically lie between these two extremes and can be estimated based on their output voltages. _______________________________________________________________________________________ 9
3ppm/C, Low-Power, Low-Dropout Voltage Reference MAX6133
Pin Description
PIN 1, 3, 7 2 4 5, 8 6 NAME N.C. IN GND I.C. OUT Positive Power-Supply Input Ground Internally Connected. Do not connect externally. Reference Output Voltage. Connect a 0.1F minimum capacitor to GND. FUNCTION No Connection. Not connected internally. Leave unconnected or connect to GND.
Applications Information
Bypassing/Load Capacitance
For the best line-transient performance, decouple the input with a 0.1F 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. The MAX6133 family requires a minimum output capacitance of 0.1F for stability and is stable with capacitive loads (including the bypass capacitance) of up to 100F. In applications where the load or the supply can experience 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.
Turn-On Time
These devices typically turn on and settle to within 0.01% of their final value in <1ms. The turn-on time can increase up to 2ms with the device operating at the minimum dropout voltage and the maximum load.
Low-Power, 14-Bit DAC with MAX6133 as a Reference
Figure 1 shows a typical application circuit for the MAX6133 providing both the power supply and precision reference voltage for a 14-bit high-resolution, serialinput, voltage-output digital-to-analog converter. The MAX6133 with a 2.5V output provides the reference voltage for the DAC.
Supply Current
The quiescent supply current of the MAX6133 series reference is typically 40A and is virtually independent of the supply voltage. In the MAX6133 family, the load current is drawn from the input only when required, so supply current is not wasted and efficiency is maximized at all input voltages. This improved efficiency reduces power dissipation and extends battery life. When the supply voltage is below the minimum-specified input voltage (as during turn-on), the devices can draw up to 150A beyond the nominal supply current. The input voltage source must be capable of providing this current to ensure reliable turn-on.
3V SUPPLY
IN
VDD 2.5V OUT REF
MAX6133
MAX5143
ANALOG OUTPUT GND
GND
Thermal Hysteresis
Thermal hysteresis is the change in the output voltage at TA = +25C before and after the device is cycled over its entire operating temperature range. Hysteresis is caused by differential package stress appearing across the bandgap core transistors. The typical thermal hysteresis value is 120ppm for both SO and MAX packages.
Figure 1. 14-Bit High-Resolution DAC and Positive Reference From a Single 3V Supply
10
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3ppm/C, Low-Power, Low-Dropout Voltage Reference
Negative Low-Power Voltage Reference
As shown in Figure 2, the MAX6133 can be used to develop a negative voltage reference using the MAX400, a rail-to-rail op-amp with low power, low noise, and low offset. The circuit only provides a good negative reference and is ideal for space- and costsensitive applications since it does not use resistors.
Temperature Coefficient vs. Operating Temperature Range for a 1LSB Maximum Error
In a data converter application, the converter's reference voltage 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 3 shows the maximum allowable reference-voltage temperature coefficient that keeps the conversion error to less than 1LSB. This is a function of the operating temperature range (TMAX - TMIN) with the converter resolution as a parameter. The graph assumes the reference-voltage temperature coefficient as the only parameter affecting accuracy. In reality, the absolute static accuracy of a data converter is dependent on the combination of many parameters such as integral nonlinearity, differential nonlinearity, offset error, gain error, as well as voltage reference changes.
MAX6133
POSITIVE SUPPLY
IN
0.1F
MAX6133
OUT V+ 0.1F 0.1F GND -VOUT
MAX400
Chip Information
0.1F
TRANSISTOR COUNT: 656 PROCESS: BiCMOS
V-
Figure 2. Negative Low-Power Voltage Reference
10,000 1000 100 TEMPERATURE COEFFICIENT (ppm/C) 8 BIT 10 1 0.1 0.01 1 10 OPERATING TEMPERATURE RANGE (TMAX - TMIN) (C) 10 BIT 12 BIT 14 BIT 16 BIT 18 BIT 20 BIT 100
Figure 3. Temperature Coefficient vs. Operating Temperature Range for a 1LSB Maximum Error
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11
3ppm/C, Low-Power, Low-Dropout Voltage Reference MAX6133
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.)
SOICN .EPS
INCHES DIM A A1 B C e E H L MAX MIN 0.069 0.053 0.010 0.004 0.014 0.019 0.007 0.010 0.050 BSC 0.150 0.157 0.228 0.244 0.016 0.050
MILLIMETERS MAX MIN 1.35 1.75 0.10 0.25 0.35 0.49 0.19 0.25 1.27 BSC 3.80 4.00 5.80 6.20 0.40 1.27
N
E
H
VARIATIONS:
1
INCHES
MILLIMETERS MIN 4.80 8.55 9.80 MAX 5.00 8.75 10.00 N MS012 8 AA 14 AB 16 AC
TOP VIEW
DIM D D D
MIN 0.189 0.337 0.386
MAX 0.197 0.344 0.394
D C
A e B A1
0-8 L
FRONT VIEW
SIDE VIEW
PROPRIETARY INFORMATION TITLE:
PACKAGE OUTLINE, .150" SOIC
APPROVAL DOCUMENT CONTROL NO. REV.
21-0041
B
1 1
12
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3ppm/C, Low-Power, Low-Dropout Voltage Reference
Package Information (continued)
(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.)
8LUMAXD.EPS
MAX6133
4X S
8
8
INCHES DIM A A1 A2 b MIN 0.002 0.030 MAX 0.043 0.006 0.037
MILLIMETERS MAX MIN 0.05 0.75 1.10 0.15 0.95
y 0.500.1
E
H
0.60.1
c D e E H L
1
1
0.60.1
S
D
BOTTOM VIEW
0.014 0.010 0.007 0.005 0.120 0.116 0.0256 BSC 0.120 0.116 0.198 0.188 0.026 0.016 6 0 0.0207 BSC
0.25 0.36 0.13 0.18 2.95 3.05 0.65 BSC 2.95 3.05 5.03 4.78 0.41 0.66 0 6 0.5250 BSC
TOP VIEW
A2
A1
A
c e b L
SIDE VIEW
FRONT VIEW
PROPRIETARY INFORMATION TITLE:
PACKAGE OUTLINE, 8L uMAX/uSOP
APPROVAL DOCUMENT CONTROL NO. REV.
21-0036
1 1
J
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 ____________________ 13 (c) 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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