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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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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- - - - - - 3Pins -40°C 85°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 -
ZRC250F02TA
ZRC250F02TA - Voltage Reference, Precision, Shunt - Fixed, ZRC250 Series, 2.5V, SOT-23-3

1132730

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

DIODES INC.

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Shunt - Fixed ZRC250 2.5V 2% ± 300ppm/°C SOT-23 3Pins -40°C 85°C -
TLV431ASN1T1G
TLV431ASN1T1G - Voltage Reference, Shunt - Adjustable, 1.24V to 16V, 1 % Ref, SOT-23-3

2845265

Voltage Reference, Shunt - Adjustable, 1.24V to 16V, 1 % Ref, SOT-23-3

ONSEMI

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Shunt - Adjustable - 1.24V to 16V 1% - SOT-23 3Pins -40°C 85°C -
TL431BQDBZR
TL431BQDBZR - Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-23-3

3009357

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

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Shunt - Adjustable - 2.495V to 36V 0.5% 92ppm/°C SOT-23 3Pins -40°C 125°C -
TL431ACL3T
TL431ACL3T - Voltage Reference, Shunt-Adjustable, 2.495V to 36V, 1 % Ref, SOT-23-3

3132689

Voltage Reference, Shunt-Adjustable, 2.495V to 36V, 1 % Ref, SOT-23-3

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- - - - - - 3Pins 0°C 70°C -
ZRB500F01TA
ZRB500F01TA - Voltage Reference, Precision Micropower, Shunt - Fixed, ZRB500 Series, 5V, SOT-23-3

1132721RL

Voltage Reference, Precision Micropower, Shunt - Fixed, ZRB500 Series, 5V, SOT-23-3

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Shunt - Fixed ZRB500 5V 1% ± 15ppm/°C SOT-23 3Pins -40°C 85°C -
ZRB500F01TA
ZRB500F01TA - Voltage Reference, Precision Micropower, Shunt - Fixed, ZRB500 Series, 5V, SOT-23-3

1132721

Voltage Reference, Precision Micropower, Shunt - Fixed, ZRB500 Series, 5V, SOT-23-3

DIODES INC.

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Shunt - Fixed ZRB500 5V 1% ± 15ppm/°C SOT-23 3Pins -40°C 85°C -
MCP1501T-25E/CHY
MCP1501T-25E/CHY - Voltage Reference, Series - Fixed, 2.5V, 0.1 % Ref, 50ppm/°C, SOT-23-6

2857778

Voltage Reference, Series - Fixed, 2.5V, 0.1 % Ref, 50ppm/°C, SOT-23-6

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Series - Fixed - 2.5V 0.1% 50ppm/°C SOT-23 6Pins -40°C 125°C -
LM4050AIM3-4.1/NOPB
LM4050AIM3-4.1/NOPB - Voltage Reference, Precision Micropower, Shunt - Fixed, LM4050 Series, 4.096V, SOT-23-3

3009247

Voltage Reference, Precision Micropower, Shunt - Fixed, LM4050 Series, 4.096V, SOT-23-3

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Shunt - Fixed LM4050 4.096V 0.1% ± 30ppm/°C SOT-23 3Pins -40°C 85°C -
LM4040DIZ-5.0/NOPB
LM4040DIZ-5.0/NOPB - Voltage Reference, Precision Micropower, Shunt - Fixed, LM4040 Series, 5V, TO-226AA-3

3124452

Voltage Reference, Precision Micropower, Shunt - Fixed, LM4040 Series, 5V, TO-226AA-3

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Shunt - Fixed LM4040 5V 1% ± 30ppm/°C TO-226AA 3Pins -40°C 85°C -
LM4040CIM3-2.5/NOPB
LM4040CIM3-2.5/NOPB - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.5V, SOT-23-3

3124427

Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.5V, SOT-23-3

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Shunt - Fixed LM4040 2.5V 0.5% ± 20ppm/°C SOT-23 3Pins -40°C 85°C AEC-Q100
TS3431CILT
TS3431CILT - Voltage Reference, Shunt - Adjustable, TS3431 Series, 1.24V to 24V, SOT-23-3

1374141RL

Voltage Reference, Shunt - Adjustable, TS3431 Series, 1.24V to 24V, SOT-23-3

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Shunt - Adjustable TS3431 1.24V to 24V 0.25% ± 100ppm/°C SOT-23 3Pins -40°C 125°C -
ISL60002DIH320Z-TK
ISL60002DIH320Z-TK - Voltage Reference, Series - Fixed, 2.048V, 5mV% Ref, ± 20ppm/°C, SOT-23-3

2983620

Voltage Reference, Series - Fixed, 2.048V, 5mV% Ref, ± 20ppm/°C, SOT-23-3

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TS3431CILT
TS3431CILT - Voltage Reference, Shunt - Adjustable, TS3431 Series, 1.24V to 24V, SOT-23-3

1374141

Voltage Reference, Shunt - Adjustable, TS3431 Series, 1.24V to 24V, SOT-23-3

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Shunt - Adjustable TS3431 1.24V to 24V 0.25% ± 100ppm/°C SOT-23 3Pins -40°C 125°C -
TLV431BFTA
TLV431BFTA - Voltage Reference, Shunt - Adjustable, AEC-Q100 TLV431 Series, 1.24V to 18V, SOT-23-3

1843871

Voltage Reference, Shunt - Adjustable, AEC-Q100 TLV431 Series, 1.24V to 18V, SOT-23-3

DIODES INC.

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LM4040AIM3-2.5+T
LM4040AIM3-2.5+T - Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SOT-23-3

2511234

Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SOT-23-3

ANALOG DEVICES

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MAX6070BAUT21+T
MAX6070BAUT21+T - Voltage Reference, Series - Fixed, MAX6070 Series, 2.048V, 0.08 %, ± 2ppm/°C, SOT-23-6

2799180

Voltage Reference, Series - Fixed, MAX6070 Series, 2.048V, 0.08 %, ± 2ppm/°C, SOT-23-6

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Series - Fixed - 2.048V 0.08% ± 2ppm/°C SOT-23 6Pins -40°C 125°C -
LM4040AIM3-2.5+T
LM4040AIM3-2.5+T - Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SOT-23-3

2511234RL

Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SOT-23-3

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MCP1525T-I/TT
MCP1525T-I/TT - Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, SOT-23-3

9758500RL

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

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ZRC250F02TA
ZRC250F02TA - Voltage Reference, Precision, Shunt - Fixed, ZRC250 Series, 2.5V, SOT-23-3

1132730RL

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

DIODES INC.

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Shunt - Fixed ZRC250 2.5V 2% ± 300ppm/°C SOT-23 3Pins -40°C 85°C -
TLV431BFTA
TLV431BFTA - Voltage Reference, Shunt - Adjustable, AEC-Q100 TLV431 Series, 1.24V to 18V, SOT-23-3

1843871RL

Voltage Reference, Shunt - Adjustable, AEC-Q100 TLV431 Series, 1.24V to 18V, SOT-23-3

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ISL60002DIH320Z-TK
ISL60002DIH320Z-TK - Voltage Reference, Series - Fixed, 2.048V, 5mV% Ref, ± 20ppm/°C, SOT-23-3

298362002

Voltage Reference, Series - Fixed, 2.048V, 5mV% Ref, ± 20ppm/°C, SOT-23-3

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TLV431BFTA
TLV431BFTA - Voltage Reference, Shunt - Adjustable, AEC-Q100 TLV431 Series, 1.24V to 18V, SOT-23-3

184387102

Voltage Reference, Shunt - Adjustable, AEC-Q100 TLV431 Series, 1.24V to 18V, SOT-23-3

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MCP1525T-I/TT
MCP1525T-I/TT - Voltage Reference, Precision, Series - Fixed, MCP1525 Series, 2.5V, SOT-23-3

975850002

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

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