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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TL431ACDG
TL431ACDG - Voltage Reference, Precision, Shunt - Adjustable, TL431A Series, 2.495V to 36V, SOIC-8

1651199

Voltage Reference, Precision, Shunt - Adjustable, TL431A Series, 2.495V to 36V, SOIC-8

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Shunt - Adjustable TL431A 2.495V to 36V 1% ± 50ppm/°C SOIC 8Pins 0°C 70°C -
TL431AFDT,215
TL431AFDT,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3

2095463

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

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Shunt - Adjustable TL431 2.495V to 36V 1% - SOT-23 3Pins -40°C 125°C -
MCP1525T-I/TT
MCP1525T-I/TT - Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, SOT-23-3

9758500

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

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Series - Fixed MCP1525 2.5V 1% ± 27ppm/°C SOT-23 3Pins -40°C 85°C -
TL431AIDT
TL431AIDT - Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOIC-8

1750205

Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOIC-8

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Shunt - Adjustable TL431 2.495V to 36V 1% - SOIC 8Pins -40°C 105°C -
LM4040B50FTA
LM4040B50FTA - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 5V, SOT-23-3

1825371

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

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Shunt - Fixed LM4040 5V 0.2% ± 30ppm/°C SOT-23 3Pins -40°C 125°C -
TL1431IZ
TL1431IZ - Voltage Reference, Shunt - Adjustable, TL1431 Series, 2.5V to 36V, TO-226AA-3

9755861

Voltage Reference, Shunt - Adjustable, TL1431 Series, 2.5V to 36V, TO-226AA-3

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Shunt - Adjustable TL1431 2.5V to 36V 0.4% ± 22ppm/°C TO-226AA 3Pins -40°C 105°C -
ZRC250F01TA
ZRC250F01TA - Voltage Reference, Precision, Shunt - Fixed, ZRC250 Series, 2.5V, SOT-23-3

1132706RL

Voltage Reference, Precision, Shunt - Fixed, ZRC250 Series, 2.5V, SOT-23-3

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TL432ASA-7
TL432ASA-7 - Voltage Reference, Precision, Shunt - Adjustable, TL432 Series, 2.495V to 36V, SOT-23-3

1904057

Voltage Reference, Precision, Shunt - Adjustable, TL432 Series, 2.495V to 36V, SOT-23-3

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Shunt - Adjustable TL432 2.495V to 36V 1% - SOT-23 3Pins -40°C 125°C -
TL431ASA-7
TL431ASA-7 - Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-23-3

1904055

Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-23-3

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Shunt - Adjustable TL431 2.495V to 36V 1% - SOT-23 3Pins -40°C 125°C -
TL431ACZ
TL431ACZ - Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, Straight Lead, TO-226AA-3

9756450

Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, Straight Lead, TO-226AA-3

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Shunt - Adjustable TL431 2.495V to 36V 1% - TO-92 3Pins 0°C 70°C -
MCP1525-I/TO
MCP1525-I/TO - Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, TO-226AA-3

1292235

Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, TO-226AA-3

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Series - Fixed MCP1525 2.5V 1% ± 27ppm/°C TO-92 3Pins -40°C 85°C -
TL431BCDBZR,215
TL431BCDBZR,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3

2095470

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

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Shunt - Adjustable TL431 2.495V to 36V 0.5% - SOT-23 3Pins 0°C 70°C -
ZR431F
ZR431F - Voltage Reference, Precision, Shunt - Adjustable, ZR431 Series, 2.5V to 20V, SOT-23-3

1132773

Voltage Reference, Precision, Shunt - Adjustable, ZR431 Series, 2.5V to 20V, SOT-23-3

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Shunt - Adjustable ZR431 2.5V to 20V 2% ± 55ppm/°C SOT-23 3Pins -40°C 85°C -
TL431AIDBZR,215
TL431AIDBZR,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3

2095465

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

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Shunt - Adjustable TL431 2.495V to 36V 1% - SOT-23 3Pins -40°C 85°C -
TL431AIDG
TL431AIDG - Voltage Reference, Precision, Shunt - Adjustable, TL431A Series, 2.495V to 36V, SOIC-8

1651200

Voltage Reference, Precision, Shunt - Adjustable, TL431A Series, 2.495V to 36V, SOIC-8

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Shunt - Adjustable TL431A 2.495V to 36V 1% ± 50ppm/°C SOIC 8Pins -40°C 85°C -
LM4040D50FTA
LM4040D50FTA - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 5V, SOT-23-3

1461553

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

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Shunt - Fixed LM4040 5V 1% ± 30ppm/°C SOT-23 3Pins -40°C 125°C -
TL431CZ
TL431CZ - Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, TO-226AA-3

9756469

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

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Shunt - Adjustable TL431 2.495V to 36V 2% - TO-92 3Pins 0°C 70°C -
ZR431F01TA
ZR431F01TA - Voltage Reference, Precision, Shunt - Adjustable, ZR431 Series, 2.5V to 20V, SOT-23-3

1132727

Voltage Reference, Precision, Shunt - Adjustable, ZR431 Series, 2.5V to 20V, SOT-23-3

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Shunt - Adjustable ZR431 2.5V to 20V 1% ± 55ppm/°C SOT-23 3Pins -40°C 85°C -
TL431FDT,215
TL431FDT,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3

2095479

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

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Shunt - Adjustable TL431 2.495V to 36V 2% - SOT-23 3Pins -40°C 125°C -
TL431BW5-7
TL431BW5-7 - Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-25-5

1904060

Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-25-5

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Shunt - Adjustable TL431 2.495V to 36V 0.5% - SOT-25 5Pins -40°C 125°C -
KA431SAMFTF
KA431SAMFTF - Voltage Reference, Shunt - Adjustable, KA431SA Series, 2.5V to 36V, SOT-23F-3

2453929

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

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Shunt - Adjustable KA431SA 2.5V to 36V 1% ± 50ppm/°C SOT-23F 3Pins -25°C 85°C -
TL431ACZ-AP
TL431ACZ-AP - Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, Formed Lead, TO-226AA-3

1750204

Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, Formed Lead, TO-226AA-3

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Shunt - Adjustable TL431 2.495V to 36V 1% - TO-92 3Pins 0°C 70°C -
MCP1541T-I/TT
MCP1541T-I/TT - Voltage Reference, Precision, Series - Fixed, MCP1541 Series, 4.096V, SOT-23-3

1084310

Voltage Reference, Precision, Series - Fixed, MCP1541 Series, 4.096V, SOT-23-3

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Series - Fixed MCP1541 4.096V 1% ± 27ppm/°C SOT-23 3Pins -40°C 85°C -
TL431ACDT
TL431ACDT - Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOIC-8

2463970

Voltage Reference, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOIC-8

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Shunt - Adjustable TL431 2.495V to 36V 1% - SOIC 8Pins 0°C 70°C -
TL431AIYDT
TL431AIYDT - Voltage Reference, AEC-Q100, Shunt - Adjustable, 2.5V to 36V, 1 % Ref, SOIC-8

2849819

Voltage Reference, AEC-Q100, Shunt - Adjustable, 2.5V to 36V, 1 % Ref, SOIC-8

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Shunt - Adjustable - 2.5V to 36V 1% - SOIC 8Pins -40°C 125°C -