Voltage References

Voltage references are electronic devices that provide a fixed voltage. They provide a constant voltage regardless of external factors like the load on the device or fluctuations in the power supply.
There are many different kinds of voltage references, generally categorised by type, tolerance, rated voltage, reference voltage and rated current. The most common tolerances are ±2%, ±1% and ±0.5%, but voltage references are available even up to ±40%.

What are voltage references used for?
Voltage references can be used for a variety of different precision measurement and control systems such as power supplies in personal computers and analog-to-digital converters. They are also used in scientific applications and in medical equipment where voltage variations need to be tested regularly.
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Part Details Brand Nominal Voltage Package Type Reference Type Initial Accuracy Mounting Type Topology Maximum Output Current Maximum Input Voltage Minimum Output Voltage Maximum Output Voltage Pin Count Line Regulation Load Regulation Dimensions Width Height Length Maximum Operating Temperature Minimum Operating Temperature
Analog Devices ADR5040ARTZ-REEL7, Shunt Voltage Reference 2.048V, 4.09mV 3-Pin, SOT-23 Analog Devices 2.048V SOT-23 Precision 4.09mV Surface Mount Shunt 15mA - 2.04 V 2.05 V 3 - - 3.04 x 1.4 x 1.02mm 1.4mm 1.02mm 3.04mm +125 °C -40 °C
Analog Devices AD780BRZ, Adjustable Series/Shunt Voltage Reference 4 - 36V, ±1mV 8-Pin, SOIC Analog Devices 4 - 36V SOIC N Programmable ±1mV Surface Mount Series, Shunt 10mA 36 V - 2.5 V, 3 V 8 10 μV/V 75 μV/mA 5 x 4 x 1.5mm 4mm 1.5mm 5mm +85 °C -40 °C
Analog Devices ADR441BRZ, Series Voltage Reference 2.5V, 0.04% 8-Pin, SOIC Analog Devices 2.5V SOIC Precision 0.04% Surface Mount Series 10 (Source) mA, -5 (Sink) mA 18 V 2.49 V 2.501 V 8 20 ppm/V ±50 ppm/mA 5 x 4.4 x 1.5mm 4.4mm 1.5mm 5mm +125 °C -40 °C
Analog Devices ADR440ARZ, Series Voltage Reference 2.048V, 0.15% 8-Pin, SOIC Analog Devices 2.048V SOIC Precision 0.15% Surface Mount Series 10 (Source) mA, -5 (Sink) mA 18 V 2.04 V 2.05 V 8 ±20 ppm/V ±50 ppm/mA 5 x 4.4 x 1.5mm 4.4mm 1.5mm 5mm +125 °C -40 °C
Analog Devices ADR421BRZ, Series Voltage Reference 2.5V, 0.04% 8-Pin, SOIC Analog Devices 2.5V SOIC Precision 0.04% Surface Mount Series 10mA 18 V 2.49 V 2.501 V 8 35 ppm/V 70 ppm/mA 5 x 4.4 x 1.5mm 4.4mm 1.5mm 5mm +125 °C -40 °C
Analog Devices ADR421ARMZ, Series Voltage Reference 2.5V, 0.12% 8-Pin, MSOP Analog Devices 2.5V MSOP Precision 0.12% Surface Mount Series 10mA 18 V 2.49 V 2.503 V 8 35 ppm/V 70 ppm/mA 3.2 x 3.2 x 0.95mm 3.2mm 0.95mm 3.2mm +125 °C -40 °C
Analog Devices ADR443BRZ, Series Voltage Reference 3V, 0.04% 8-Pin, SOIC Analog Devices 3V SOIC Precision 0.04% Surface Mount Series 10 (Source) mA, -5 (Sink) mA 18 V 2.99 V 3.001 V 8 20 ppm/V ±50 ppm/mA 5 x 4.4 x 1.5mm 4.4mm 1.5mm 5mm +125 °C -40 °C
Analog Devices AD780BRZ, Adjustable Series/Shunt Voltage Reference 4 - 36V, ±1mV 8-Pin, SOIC Analog Devices 4 - 36V SOIC N Programmable ±1mV Surface Mount Series, Shunt 10mA 36 V - 2.5 V, 3 V 8 10 μV/V 75 μV/mA 5 x 4 x 1.5mm 4mm 1.5mm 5mm +85 °C -40 °C
Analog Devices ADR421ARMZ, Series Voltage Reference 2.5V, 0.12% 8-Pin, MSOP Analog Devices 2.5V MSOP Precision 0.12% Surface Mount Series 10mA 18 V 2.49 V 2.503 V 8 35 ppm/V 70 ppm/mA 3.2 x 3.2 x 0.95mm 3.2mm 0.95mm 3.2mm +125 °C -40 °C
Analog Devices ADR421BRZ, Series Voltage Reference 2.5V, 0.04% 8-Pin, SOIC Analog Devices 2.5V SOIC Precision 0.04% Surface Mount Series 10mA 18 V 2.49 V 2.501 V 8 35 ppm/V 70 ppm/mA 5 x 4.4 x 1.5mm 4.4mm 1.5mm 5mm +125 °C -40 °C
Analog Devices ADR440ARZ, Series Voltage Reference 2.048V, 0.15% 8-Pin, SOIC Analog Devices 2.048V SOIC Precision 0.15% Surface Mount Series 10 (Source) mA, -5 (Sink) mA 18 V 2.04 V 2.05 V 8 ±20 ppm/V ±50 ppm/mA 5 x 4.4 x 1.5mm 4.4mm 1.5mm 5mm +125 °C -40 °C
Analog Devices ADR441BRZ, Series Voltage Reference 2.5V, 0.04% 8-Pin, SOIC Analog Devices 2.5V SOIC Precision 0.04% Surface Mount Series 10 (Source) mA, -5 (Sink) mA 18 V 2.49 V 2.501 V 8 20 ppm/V ±50 ppm/mA 5 x 4.4 x 1.5mm 4.4mm 1.5mm 5mm +125 °C -40 °C
Analog Devices ADR443BRZ, Series Voltage Reference 3V, 0.04% 8-Pin, SOIC Analog Devices 3V SOIC Precision 0.04% Surface Mount Series 10 (Source) mA, -5 (Sink) mA 18 V 2.99 V 3.001 V 8 20 ppm/V ±50 ppm/mA 5 x 4.4 x 1.5mm 4.4mm 1.5mm 5mm +125 °C -40 °C
Analog Devices ADR5040ARTZ-REEL7, Shunt Voltage Reference 2.048V, 4.09mV 3-Pin, SOT-23 Analog Devices 2.048V SOT-23 Precision 4.09mV Surface Mount Shunt 15mA - 2.04 V 2.05 V 3 - - 3.04 x 1.4 x 1.02mm 1.4mm 1.02mm 3.04mm +125 °C -40 °C
Microchip Technology LM4041CYM3-ADJ-TR, Adjustable Shunt Precision Voltage Reference 1.23V, ±0.5% 3-Pin, SOT-23 Microchip Technology 1.23V SOT-23 Adjustable, Precision ±0.5% Surface Mount Shunt 12mA 15 V - 10 V 3 - - 0.9 x 2.92 x 1.3mm 1.3mm 0.9mm 2.92mm +85 °C -40 °C
Analog Devices ADR363BUJZ-Reel7, Series Precision Voltage Reference, ±0.15 %, ±3 mV 5-Pin, TSOT Analog Devices - TSOT Precision ±0.15 %, ±3 mV Surface Mount Series +5mA 18 V 2.99 V 3 V 5 0.15 mV/V 1.2 mV/mA 2.9 x 1.6 x 0.9mm 1.6mm 0.9mm 2.9mm +125 °C -40 °C
Microchip Technology LM4040DYM3-2.5-TR, Shunt Precision Voltage Reference 2.5V, ±1% 3-Pin, SOT-23 Microchip Technology 2.5V SOT-23 Precision ±1% Surface Mount Shunt 15mA 15 V - 2.5 V 3 - - 0.9 x 2.92 x 1.3mm 1.3mm 0.9mm 2.92mm +85 °C -40 °C
Microchip Technology LM4040CYM3-2.5-TR, Shunt Precision Voltage Reference 2.5V, ±0.5% 3-Pin, SOT-23 Microchip Technology 2.5V SOT-23 Precision ±0.5% Surface Mount Shunt 15mA 15 V - 2.5 V 3 - - 0.9 x 2.92 x 1.3mm 1.3mm 0.9mm 2.92mm +85 °C -40 °C
Analog Devices ADR510ARTZ-Reel7, Shunt Precision Voltage Reference, ±0.35 %, ±3.5 mV 3-Pin, SOT-23 Analog Devices - SOT-23 Precision ±0.35 %, ±3.5 mV Surface Mount Shunt 10mA - 0.99 V 1 V 3 - - 3.04 x 1.4 x 1.02mm 1.4mm 1.02mm 3.04mm +85 °C -40 °C
Analog Devices AD780BRZ, Adjustable Series/Shunt Voltage Reference 2.5V, ±0.04 % 8-Pin, SOIC Analog Devices 2.5V SOIC Programmable ±0.04 % Surface Mount Series/Shunt 10mA 36 V 2.499 V, 2.999 V 2 V, 3 V 8 10 μV/V 75 μV/mA 5 x 4 x 1.5mm 4mm 1.5mm 5mm +85 °C -40 °C
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