Voltage References

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We offer many types of voltage references from multiple manufacturers.

Voltage references are accurate, temperature-compensated voltage sources that provide specific output voltage values. Voltage reference ICs may be either shunt voltage reference (two-terminal) or series voltage reference (three-terminal) types.

A shunt voltage reference is usually designed to work over a wide range of currents. It is as simple to use as a Zener diode. Series voltage references are ideal for circuits with large changes in supply voltage or load current. They are especially useful with very large load currents as there is no series resistor between the reference and supply.

Our specialist products include precision voltage references for signal-conditioning applications using a single voltage source. A particularly popular offering is the TLV431 precision voltage reference. The TLV431 is a three terminal adjustable shunt reference offering excellent temperature stability and output current handling capability up to 20mA. The output voltage may be set to any chosen voltage between 1.24V and 18V by selection of two external divider resistors. It can be used as a replacement for Zener diodes in many applications requiring an improvement in Zener performance.

Fixed, adjustable and programmable variants are available in both shunt and series configurations. Reference voltages range from 0.5V to ±10V, while temperature coefficients cover 0.3ppm/°C to ±300ppm/°C.
 
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Voltage Reference Type Product Range No. of Amplifiers Reference Voltage Min Reference Voltage Max Initial Accuracy Temperature Coefficient Supply Voltage Range IC Case / Package Output Current No. of Pins Amplifier Case Style IC Mounting Input Voltage Max Amplifier Output Operating Temperature Min Operating Temperature Max Qualification
 
 
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TL431FDT,215
TL431FDT,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 RoHS Compliant: Yes

91T5114

Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 RoHS Compliant: Yes

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Shunt - Adjustable TL431 - - - 0 0 - 0 - 3Pins - - 0 - -40°C 125°C 0
LM4041DFTA
LM4041DFTA - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4041 Series, 1.225V, SOT-23-3 RoHS Compliant: Yes

58M8022

Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4041 Series, 1.225V, SOT-23-3 RoHS Compliant: Yes

DIODES INC.

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0 0 - - - 0 0 - 0 - 3Pins - 0 - - -40°C 125°C 0
TL431AQDBZR,215
TL431AQDBZR,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 RoHS Compliant: Yes

91T5106

Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 RoHS Compliant: Yes

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0 0 - - - 0 0 - 0 - 3Pins - - 0 - -40°C 125°C 0
TL431AFDT,215
TL431AFDT,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 RoHS Compliant: Yes

91T5101

Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 RoHS Compliant: Yes

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0 0 - - - 0 0 - 0 - 3Pins - - 0 - -40°C 125°C 0
LM4040D50FTA
LM4040D50FTA - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 5V, SOT-23-3 RoHS Compliant: Yes

58M8020

Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 5V, SOT-23-3 RoHS Compliant: Yes

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0 0 - - - 0 0 - 0 - 3Pins - 0 - - -40°C 125°C 0
TL431IDBZR,215
TL431IDBZR,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 RoHS Compliant: Yes

91T5100

Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3 RoHS Compliant: Yes

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0 0 - - - 0 0 - 0 - 3Pins - - 0 - -40°C 85°C 0
ZRC330F01TA
ZRC330F01TA - VOLT REF, SHUNT, 3.3V, -40 TO 85DEG C

98K4035

VOLT REF, SHUNT, 3.3V, -40 TO 85DEG C

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Shunt - Fixed - - - - 1% - - SOT-23 - - - - - - -40°C 85°C -
TS4040DILT-2.5
TS4040DILT-2.5 - Voltage Reference, Shunt - Fixed, 2.5V, 1%, -40 to 85°C, SOT-23-3

26R3041

Voltage Reference, Shunt - Fixed, 2.5V, 1%, -40 to 85°C, SOT-23-3

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Shunt - Fixed TS4040 - - - - ± 30ppm/°C - SOT-23 - 3Pins - - - - -40°C 85°C -
TLV431AFTA
TLV431AFTA - Voltage Reference, Shunt - Adjustable, AEC-Q100, 1.24 V to 18 V , SOT-23-3, -40 °C to 125 °C

55T7345

Voltage Reference, Shunt - Adjustable, AEC-Q100, 1.24 V to 18 V , SOT-23-3, -40 °C to 125 °C

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Shunt - Adjustable TLV431 - - - 1% - - 0 - 3Pins - - 0 - -40°C 125°C 0
MCP1525T-I/TT
MCP1525T-I/TT - Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, SOT-23-3

89C7118

Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, SOT-23-3

MICROCHIP

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Series - Fixed MCP1525 Series - - - 1% ± 27ppm/°C - SOT-23 - 3Pins - Through Hole 5.5V - -40°C 85°C -
ISL21080DIH312Z-TK
ISL21080DIH312Z-TK - VOLTAGE REF, SERIES, 1.25V, SOT-23-3

08X4530

VOLTAGE REF, SERIES, 1.25V, SOT-23-3

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0 0 - - - 0 0 - 0 - 3Pins - - 0 - -40°C 85°C 0
KA431SAMFTF
KA431SAMFTF - Voltage Reference, Shunt - Adjustable, KA431SA Series, 2.5V to 36V, SOT-23F-3 RoHS Compliant: Yes

31Y2114

Voltage Reference, Shunt - Adjustable, KA431SA Series, 2.5V to 36V, SOT-23F-3 RoHS Compliant: Yes

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Shunt - Adjustable KA431SA - - - 1% ± 50ppm/°C - - - 3Pins - - - - -25°C 85°C -
MAX6005EUR+T
MAX6005EUR+T - Voltage Reference, Series - Fixed, 5 V, 20 ppm/°C, -40 °C to 85 °C, SOT-23-3

73Y5128

Voltage Reference, Series - Fixed, 5 V, 20 ppm/°C, -40 °C to 85 °C, SOT-23-3

ANALOG DEVICES

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Series - Fixed MAX6005 Series - - - 1% ± 20ppm/°C - SOT-23 - 3Pins - - - - -40°C 85°C -
NCP51460SN33T1G
NCP51460SN33T1G - VOLT REF, SHUNT - FIXED, 0 TO 100DEG C

42Y0817

VOLT REF, SHUNT - FIXED, 0 TO 100DEG C

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Series - Fixed - - - - - ± 18ppm/°C - SOT-23 - - - - - - 0°C 100°C -
TL431ACZ
TL431ACZ - Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, TO-226AA-3 RoHS Compliant: Yes

72K7246

Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, TO-226AA-3 RoHS Compliant: Yes

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0 0 - - - 0 0 - 0 - 3Pins - - 0 - 0 0 0
ISL21080CIH325Z-TK
ISL21080CIH325Z-TK - VOLT REF, SERIES, 2.5V, -40 TO 85DEG C

08X4526

VOLT REF, SERIES, 2.5V, -40 TO 85DEG C

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Series - Fixed ISL21080 Series - - - 0.3% - - SOT-23 - 3Pins - - - - -40°C 85°C -
ISL21010CFH315Z-T7A
ISL21010CFH315Z-T7A - VOLTAGE REF, SERIES, 1.5V, SOT-23-3

82Y6686

VOLTAGE REF, SERIES, 1.5V, SOT-23-3

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Series - Fixed ISL21010 Series - - - 0.2% - - SOT-23 - 3Pins - - - - -40°C 125°C -
MAX6126A25+T
MAX6126A25+T - VOLT REF, SERIES - FIXED, 2.5V, 125DEG C

94AC1717

VOLT REF, SERIES - FIXED, 2.5V, 125DEG C

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0 0 - - - 0 0 - 0 - 0 - - - - -40°C 125°C 0
ATL431AIDBZR
ATL431AIDBZR - VOLTAGE REF, SHUNT, 2.5-36V, 1%, SOT23-3

29AH3394

VOLTAGE REF, SHUNT, 2.5-36V, 1%, SOT23-3

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Shunt - Adjustable TL431 - - - - - - - - - - - - - - - -
MAX6175AASA+T
MAX6175AASA+T - VOLT REF, SERIES - FIXED, -40 TO 125DEGC ROHS COMPLIANT: YES

69AH0968

VOLT REF, SERIES - FIXED, -40 TO 125DEGC ROHS COMPLIANT: YES

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Series - Fixed - - - - 0.06% ± 3ppm/°C - - - 8Pins - - - - -40°C 125°C -
LM4132BMF-2.5/NOPB
LM4132BMF-2.5/NOPB - VOLTAGE REF, AEC-Q100, 2.5V, 125DEG C

28AH3459

VOLTAGE REF, AEC-Q100, 2.5V, 125DEG C

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Series - Fixed 0 - - - 0 20ppm/°C - 0 - 5Pins - - 0 - -40°C 125°C 0
AS431HANTR-G1
AS431HANTR-G1 - VOLT REF, SHUNT, 2.495-36V, 125DEG C ROHS COMPLIANT: YES

76AH4833

VOLT REF, SHUNT, 2.495-36V, 125DEG C ROHS COMPLIANT: YES

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Shunt - Adjustable - - - - 0.5% 20ppm/°C - - - 3Pins - - - - -40°C 125°C -
LM385Z-2.5/NOPB
LM385Z-2.5/NOPB - VOLTAGE REF, SHUNT, 2.5V, TO-226AA-3

33AH4193

VOLTAGE REF, SHUNT, 2.5V, TO-226AA-3

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Shunt - Fixed - - - - 0.8% 150ppm/°C - - - 3Pins - - - - 0°C 70°C -
ZR431FTA
ZR431FTA - VOLT REF, SHUNT, 2.5V, -40 TO 85DEG C ROHS COMPLIANT: YES

76AH6130

VOLT REF, SHUNT, 2.5V, -40 TO 85DEG C ROHS COMPLIANT: YES

DIODES INC.

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Shunt - Adjustable - - - - 2% 55ppm/°C - - - 3Pins - - - - -40°C 85°C -
TLE2426CLP
TLE2426CLP - VOLT REF, VIRTUAL GRND, 2V-20V, TO-92-3

29AH7861

VOLT REF, VIRTUAL GRND, 2V-20V, TO-92-3

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Virtual Ground Precision TLE2426 - - - - ± 35ppm/°C - - - 3Pins - - - - 0°C 70°C -