Voltage References
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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.
Manufacturer Part No | Order Code | Description / Manufacturer | Availability | Price For |
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Quantity | Voltage Reference Type | Product Range | Reference Voltage | Initial Accuracy | Temperature Coefficient | Voltage Reference Case Style | No. of Pins | Operating Temperature Min | Operating Temperature Max | Automotive Qualification Standard | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MAX6129AEUK25+T
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2799188 |
Voltage Reference, Series - Fixed, MAX6129 Series, 2.5V, 0.4 %, ± 40ppm/°C, SOT-23-5 ANALOG DEVICES
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Series - Fixed | - | 2.5V | 0.4% | ± 40ppm/°C | SOT-23 | 5Pins | -40°C | 85°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LM4050CEM3-2.1+T
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2511268 |
Voltage Reference Shunt - Fixed, 2.048V reference, ± 20ppm/°C, SOT-23-3 ANALOG DEVICES
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Shunt - Fixed | LM4050 | 2.048V | 0.5% | ± 20ppm/°C | SOT-23 | 3Pins | -40°C | 125°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LM4040CIM3-2.5+T
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2511246 |
Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SOT-23-3 ANALOG DEVICES
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Shunt - Fixed | LM4040 | 2.5V | 0.5% | ± 20ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MAX6029EUK33+T
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2511300 |
Voltage Reference, Series - Fixed, 3.3 V, 30 ppm/°C, -40 °C to 85 °C, SOT-23-5 ANALOG DEVICES
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Series - Fixed | MAX6029 | 3.3V | 0.15% | 30ppm/°C | SOT-23 | 5Pins | -40°C | 85°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LM3411M5-5.0/NOPB
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3124382 |
Voltage Reference, Precision, Low Power, Shunt - Fixed, LM3411 Series, 5V, SOT-23-5 TEXAS INSTRUMENTS
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Shunt - Fixed | - | 5V | 1% | - | SOT-23 | 5Pins | -40°C | 85°C | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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TL1431ACZT
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3132686 |
Voltage Reference, Shunt-Adjustable, 2.5V to 36V, 0.25 % Ref, ± 13ppm/°C, TO-92-3 STMICROELECTRONICS
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Shunt - Adjustable | - | 2.5V to 36V | 0.25% | ± 13ppm/°C | TO-92 | 3Pins | -20°C | 70°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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X60003CIG3Z-50T1
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2843196 |
Voltage Reference, Series - Fixed, 5V, 2.5 mV Ref, ± 20ppm/°C, SOT-23-3 RENESAS
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Series - Fixed | - | 5V | 2.5mV | ± 20ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MAX6225AESA+T
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2799198 |
Voltage Reference, Series - Fixed, 2.5V, 0.02 %, ± 1.5ppm/°C, NSOIC-8 ANALOG DEVICES
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Series - Fixed | - | 2.5V | 0.02% | ± 1.5ppm/°C | NSOIC | 8Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4040CIX3-2.5+T
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2909735 |
Voltage Reference, Shunt - Fixed, 2.5V, 0.5% Ref, ± 15ppm/°C, SC-70-3 ANALOG DEVICES
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Shunt - Fixed | - | 2.5V | 0.5% | ± 15ppm/°C | SC-70 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4040D25ILP
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3124439 |
Voltage Reference, Precision Micropower, Shunt - Fixed, LM4040 Series, 2.5V, TO-226AA-3 TEXAS INSTRUMENTS
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Shunt - Fixed | LM4040 | 2.5V | 1% | ± 20ppm/°C | TO-226AA | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM185H-1.2/NOPB
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3009158 |
Voltage Reference, Micropower, Shunt - Fixed, LM185 Series, 1.235V, Metal Can-2 TEXAS INSTRUMENTS
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Shunt - Fixed | LM185 | 1.235V | 1% | ± 150ppm/°C | Metal Can | 2Pins | -55°C | 125°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4040BIM3-4.1+T
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2909876 |
Voltage Reference, Shunt - Fixed, 4.096V, 0.2% Ref, ± 20ppm/°C, SOT-23-3 ANALOG DEVICES
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Shunt - Fixed | - | 4.096V | 0.2% | ± 20ppm/°C | SOT-23 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM285BXZ/NOPB
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3009159 |
Voltage Reference, Micropower, Shunt - Adjustable, LM285 Series, 1.24V to 5.3V, TO-226AA-3 TEXAS INSTRUMENTS
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Shunt - Adjustable | LM285 | 1.24V to 5.3V | 2% | ± 30ppm/°C | TO-226AA | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4050CEM3-5.0+T
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2909797 |
Voltage Reference, Shunt - Fixed, 5V, 0.5% Ref, ± 30ppm/°C, SOT-23-3 ANALOG DEVICES
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Shunt - Fixed | - | 5V | 0.5% | ± 30ppm/°C | SOT-23 | 3Pins | -40°C | 125°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4041CFTA
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1461554 |
Voltage Reference, Precision Micropower, Shunt - Fixed, AEC-Q100 LM4041 Series, 1.225V, SOT-23-3 DIODES INC.
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Shunt - Fixed | LM4041 | 1.225V | 0.5% | ± 20ppm/°C | SOT-23 | 3Pins | -40°C | 125°C | AEC-Q100 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MAX6138AEXR12+T
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2511345 |
Voltage Reference Shunt - Fixed, 1.2205V reference, ± 4ppm/°C, SC-70-3 ANALOG DEVICES
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Shunt - Fixed | MAX6138 | 1.2205V | 0.1% | ± 4ppm/°C | SC-70 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MAX6160ESA+
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2511137 |
Voltage Reference Series - Adjustable, 1.23V to 12.4V reference, ± 15ppm/°C, NSOIC-8 ANALOG DEVICES
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Series - Adjustable | MAX6160 | 1.23V to 12.4V | 1% | ± 15ppm/°C | NSOIC | 8Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MAX6006BESA+
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2511108 |
Voltage Reference Shunt - Fixed, 1.25V reference, ± 75ppm/°C, NSOIC-8 ANALOG DEVICES
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Shunt - Fixed | MAX6006 | 1.25V | 0.5% | ± 75ppm/°C | NSOIC | 8Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4040BEX3-2.5+
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2627494 |
Voltage Reference Shunt - Fixed, 2.5V reference, ± 100ppm/°C, SC-70-3 ANALOG DEVICES
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Shunt - Fixed | LM4040 | 2.5V | 0.2% | ± 100ppm/°C | SC-70 | 3Pins | -40°C | 125°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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REF6125IDGKR
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2643420 |
Voltage Reference Series - Fixed, 2.5V reference, 8ppm/°C, VSSOP-8 TEXAS INSTRUMENTS
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Series - Fixed | - | 2.5V | 0.05% | 8ppm/°C | VSSOP | 8Pins | -40°C | 125°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4040DIX3-2.5+T
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2511254 |
Voltage Reference Shunt - Fixed, 2.5V reference, ± 20ppm/°C, SC-70-3 ANALOG DEVICES
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Shunt - Fixed | LM4040 | 2.5V | 1% | ± 20ppm/°C | SC-70 | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4040C41ILP
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3009205 |
Voltage Reference, Precision Micropower, Shunt - Fixed, LM4040 Series, 4.096V, TO-226AA-3 TEXAS INSTRUMENTS
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Shunt - Fixed | LM4040 | 4.096V | 0.5% | ± 30ppm/°C | TO-226AA | 3Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MAX6023EBT12+T
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2799171 |
Voltage Reference, Series - Fixed, 1.25V, 0.24 %, ± 10ppm/°C, UCSP-5 ANALOG DEVICES
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Series - Fixed | - | 1.25V | 0.24% | ± 10ppm/°C | UCSP | 5Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MAX8515EXK+T
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2514048 |
Voltage Reference Shunt - Adjustable, 200mV to 18V reference, SC-70-5 ANALOG DEVICES
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Shunt - Adjustable | MAX8515 | 200mV to 18V | 1% | - | SC-70 | 5Pins | -40°C | 85°C | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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LM4050AEM3-2.1+T
![]() |
2511261 |
Voltage Reference Shunt - Fixed, 2.048V reference, ± 20ppm/°C, SOT-23-3 ANALOG DEVICES
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Shunt - Fixed | LM4050 | 2.048V | 0.1% | ± 20ppm/°C | SOT-23 | 3Pins | -40°C | 125°C | - |