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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IC Type Voltage Reference Type Input Voltage Min No. of Amplifiers Product Range Reference Voltage Min Reference Voltage Max Initial Accuracy Temperature Coefficient Voltage Reference Case Style Output Current Output Voltage Nom IC Case / Package Switching Frequency Amplifier Case Style Supply Voltage Range No. of Pins IC Mounting Input Voltage Max Operating Temperature Min
 
 
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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 - - 1% ± 27ppm/°C - - - SOT-23 - - - 3Pins Surface Mount 5.5V -40°C
LM4040B25FTA
LM4040B25FTA - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.5V, SOT-23-3

1825370

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

DIODES INC.

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- Shunt - Fixed - - LM4040 - - 0.2% ± 20ppm/°C - - - SOT-23 - - - 3Pins - - -40°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 - - 1% ± 27ppm/°C - - - SOT-23 - - - 3Pins - 5.5V -40°C
TL431BIDBZR,215
TL431BIDBZR,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3

2095472

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 36V 0.5% - - - - SOT-23 - - - 3Pins - 36V -40°C
MAX6133A25+
MAX6133A25+ - Voltage Reference Series - Fixed, 2.5V reference, ± 2ppm/°C, µMax-8

2511203

Voltage Reference Series - Fixed, 2.5V reference, ± 2ppm/°C, µMax-8

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- Series - Fixed - - MAX6133 - - 0.06% ± 2ppm/°C - - - 0 - - - 8Pins - - -40°C
LM4041DYM3-ADJ-TR
LM4041DYM3-ADJ-TR - Voltage Reference, Shunt - Adjustable, 1.24V to 10V, 1% Ref, ± 20ppm/°C, SOT-23-3

2920716

Voltage Reference, Shunt - Adjustable, 1.24V to 10V, 1% Ref, ± 20ppm/°C, SOT-23-3

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- Shunt - Adjustable - - Multicomp Pro RJ45 Adapter 1.24V 10V 1% ± 20ppm/°C - - - SOT-23 - - - 3Pins - - -40°C
LM4040CYM3-5.0-TR
LM4040CYM3-5.0-TR - Voltage Reference, Shunt - Fixed, LM4040 Series, 5V reference, 0.5 %, ± 100ppm/°C, SOT-23-3

2775054

Voltage Reference, Shunt - Fixed, LM4040 Series, 5V reference, 0.5 %, ± 100ppm/°C, SOT-23-3

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- Shunt - Fixed - - Multicomp Pro RJ45 Adapter - - 0.5% ± 100ppm/°C - - - SOT-23 - - - 3Pins - - -40°C
LM4040CIM3-5.0/NOPB
LM4040CIM3-5.0/NOPB - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 5V, SOT-23-3

3124429

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

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- Shunt - Fixed - - LM4040 - - 0.5% ± 30ppm/°C - - - SOT-23 - - - 3Pins Surface Mount - -40°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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- Shunt - Adjustable - - Multicomp Pro RJ45 Adapter 2.495V 36V 1% - - - - SOT-23 - - - 3Pins - - 0°C
LM431ACM/NOPB
LM431ACM/NOPB - Voltage Reference, Precision, Shunt - Adjustable, LM431 Series, 2.495V to 36V, SOIC-8

3009272

Voltage Reference, Precision, Shunt - Adjustable, LM431 Series, 2.495V to 36V, SOIC-8

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- Shunt - Adjustable - - LM431 2.495V 36V 0.5% ± 50ppm/°C - - - SOIC - - - 8Pins Surface Mount 37V 0°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 36V 2% - - - - TO-226AA - - - 3Pins - 36V 0°C
MAX6126BASA25+
MAX6126BASA25+ - Voltage Reference Series - Fixed, 2.5V reference, ± 2ppm/°C, NSOIC-8

2511120

Voltage Reference Series - Fixed, 2.5V reference, ± 2ppm/°C, NSOIC-8

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- Series - Fixed - - MAX6126 - - 0.06% ± 2ppm/°C - - - NSOIC - - - 8Pins - - -40°C
MAX6101EUR+T
MAX6101EUR+T - Voltage Reference Series - Fixed, 1.25V reference, ± 75ppm/°C, SOT-23-3

2511338

Voltage Reference Series - Fixed, 1.25V reference, ± 75ppm/°C, SOT-23-3

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- Series - Fixed - - MAX6101 - - 0.4% ± 75ppm/°C - - - SOT-23 - - - 3Pins - - -40°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 - - Multicomp Pro RJ45 Adapter - - 0.1% 50ppm/°C - - - SOT-23 - - - 6Pins - - -40°C
TL431ACDR2G
TL431ACDR2G - Voltage Reference, Precision, Shunt - Adjustable, TL431A Series, 2.495V to 36V, SOIC-8

1652301

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

ONSEMI

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- Shunt - Adjustable - - Multicomp Pro RJ45 Adapter 2.495V 36V 1% ± 50ppm/°C - - - SOIC - - - 8Pins Surface Mount - 0°C
MAX674ESA+
MAX674ESA+ - Voltage Reference Series - Fixed, 10V reference, ± 15ppm/°C, NSOIC-8

2511179

Voltage Reference Series - Fixed, 10V reference, ± 15ppm/°C, NSOIC-8

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- Series - Fixed - - MAX674 - - 15mV ± 15ppm/°C - - - NSOIC - - - 8Pins - - -40°C
TL431BIDBZR,215
TL431BIDBZR,215 - Voltage Reference, Precision, Shunt - Adjustable, AEC-Q100 TL431 Series, 2.495V to 36V, SOT-23-3

2095472RL

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

NEXPERIA

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- Shunt - Adjustable - - TL431 2.495V 36V 0.5% - - - - SOT-23 - - - 3Pins - 36V -40°C
MAX6220ASA-5.0+
MAX6220ASA-5.0+ - Voltage Reference Series - Fixed, 5V reference, ± 2ppm/°C, NSOIC-8

2511173

Voltage Reference Series - Fixed, 5V reference, ± 2ppm/°C, NSOIC-8

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- Series - Fixed - - MAX6220 - - 0.1% ± 2ppm/°C - - - NSOIC - - - 8Pins - - -40°C
AZ431LANTR-G1
AZ431LANTR-G1 - VOLT REF, SHUNT, 1.24-18V/-40 TO 125DEGC

3483094

VOLT REF, SHUNT, 1.24-18V/-40 TO 125DEGC

DIODES INC.

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- Shunt - Adjustable - - Multicomp Pro RJ45 Adapter 1.24V 18V 0.5% 20ppm/°C - - - SOT-23 - - - 3Pins - - -40°C
LM4040AIM3-2.5/NOPB
LM4040AIM3-2.5/NOPB - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.5V, SOT-23-3

3009186

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

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- - - - - - - 0.1% ± 20ppm/°C - - - SOT-23 - - - 3Pins Surface Mount - -40°C
TL431IDBVR
TL431IDBVR - Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-23-5

3124623

Voltage Reference, Precision, Shunt - Adjustable, TL431 Series, 2.495V to 36V, SOT-23-5

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- Shunt - Adjustable - - TL431 2.495V 36V 2% - - - - SOT-23 - - - 5Pins - 36V -40°C
LM4050AEM3-2.5+T
LM4050AEM3-2.5+T - Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SOT-23-3

2511262

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

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- Shunt - Fixed - - LM4050 - - 0.1% ± 20ppm/°C - - - SOT-23 - - - 3Pins - - -40°C
LM4040B25FTA
LM4040B25FTA - Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4040 Series, 2.5V, SOT-23-3

1825370RL

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

DIODES INC.

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- Shunt - Fixed - - LM4040 - - 0.2% ± 20ppm/°C - - - SOT-23 - - - 3Pins - - -40°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 36V 1% - - - - SOIC - - - 8Pins - 36V 0°C
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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- Series - Fixed - - MCP1525 - - 1% ± 27ppm/°C - - - SOT-23 - - - 3Pins - 5.5V -40°C