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.


Voltage references have different characteristics depending on their purpose. Voltage references used in laboratory applications are designed to have extremely high precision and accuracy, whereas those used as regulators for computer power supplies are much cheaper but less precise. 


Types of voltage references

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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Description Price 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
RS Stock No. 802-3893
Mfr. Part No.ADR4530ARZ
$7.75
Each
units
3V SOIC Fixed ±0.02 % Surface Mount Series 10mA 15 V - 3 V 8 10 ppm/V 120 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 160-0691
Mfr. Part No.ADR4530ARZ
$6.46
Each (In a Tube of 98)
units
3V SOIC Fixed ±0.02 % Surface Mount Series 10mA 15 V - 3 V 8 10 ppm/V 120 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 158-5253
Mfr. Part No.AD586MNZ
$20.637
Each (In a Tube of 50)
units
5V PDIP Fixed ±0.04 % Through Hole Series 10mA 36 V 4.998 V 5.002 V 8 100 μV/V 400 μV/mA 9.27 x 7.24 x 3.43mm
RS Stock No. 912-8740
Mfr. Part No.AD586LRZ
$13.152
Each (In a Tube of 98)
units
5V SOIC Fixed ±0.05 % Surface Mount Series 10mA 36 V 4.998 V 5.003 V 8 100 μV/V 400 μV/mA 5 x 4 x 1.5mm
RS Stock No. 709-5415
Mfr. Part No.AD586MNZ
$20.59
Each
units
5V PDIP Fixed ±0.04 % Through Hole Series 10mA 36 V 4.998 V 5.002 V 8 100 μV/V 400 μV/mA 9.27 x 7.24 x 3.43mm
RS Stock No. 427-183
Mfr. Part No.AD586LRZ
$16.92
Each
units
5V SOIC Fixed ±0.05 % Surface Mount Series 10mA 36 V 4.998 V 5.003 V 8 100 μV/V 400 μV/mA 5 x 4 x 1.5mm
RS Stock No. 759-2944
Mfr. Part No.ADR392BUJZ-R2
$6.91
Each
units
4.096V TSOT Fixed ±0.12 % Surface Mount Series 5mA 15 V 4.091 V 4.101 V 5 25 ppm/V 140 ppm/mA 2.9 x 1.6 x 0.9mm
RS Stock No. 160-3304
Mfr. Part No.ADR5041BKSZ-REEL7
$0.873
Each (On a Reel of 3000)
units
2.5V SC-70 Fixed ±0.1 % Surface Mount Shunt - - - 2.5 V 3 - - 2.2 x 1.35 x 1mm
RS Stock No. 159-8165
Mfr. Part No.ADR392BUJZ-R2
$4.957
Each (On a Reel of 250)
units
4.096V TSOT Fixed ±0.12 % Surface Mount Series 5mA 15 V 4.091 V 4.101 V 5 25 ppm/V 140 ppm/mA 2.9 x 1.6 x 0.9mm
RS Stock No. 522-9060
Mfr. Part No.REF01CPZ
$5.57
Each
units
10V PDIP Fixed ±1.0 % Through Hole Series 8mA 36 V 9.9 V 10.1 V 8 150 ppm/V 150 ppm/mA 9.27 x 7.24 x 3.43mm
RS Stock No. 111-1103
Mfr. Part No.REF01CPZ
$4.083
Each (In a Tube of 50)
units
10V PDIP Fixed ±1.0 % Through Hole Series 8mA 36 V 9.9 V 10.1 V 8 150 ppm/V 150 ppm/mA 9.27 x 7.24 x 3.43mm
RS Stock No. 914-0270
Mfr. Part No.ADR5041BKSZ-REEL7
$1.043
Each (In a Pack of 10)
units
2.5V SC-70 Fixed ±0.1 % Surface Mount Shunt - - - 2.5 V 3 - - 2.2 x 1.35 x 1mm
RS Stock No. 522-8859
Mfr. Part No.AD586JNZ
$13.54
Each
units
5V PDIP Fixed ±0.4 % Through Hole Series 10mA 36 V 4.98 V 5.02 V 8 100 μV/V 400 μV/mA 9.27 x 7.24 x 3.43mm
RS Stock No. 411-573
Mfr. Part No.AD580JH
$14.72
Each
units
2.5V TO-52 Fixed ±0.4 % Through Hole Series - 40 V - - 3 6 mV 10 mV 5.84 x 5.84 x 3.81mm
RS Stock No. 522-9076
Mfr. Part No.REF02CPZ
$5.66
Each
units
5V PDIP Fixed ±1.0 % Through Hole Series 8mA 40 V 4.95 V 5.05 V 8 150 ppm/V 150 ppm/mA 9.27 x 7.24 x 3.43mm
RS Stock No. 709-2911
Mfr. Part No.AD589KH
$24.77
Each
units
1.235V TO-51 Fixed ±1.2 % Through Hole Shunt 5mA - 1.2 V 1.25 V 2 - 5 mV 7 x 7 x 1mm
RS Stock No. 802-3884
Mfr. Part No.ADR4525BRZ
$11.16
Each
units
2.5V SOIC Fixed ±0.02 % Surface Mount Series 10mA 15 V - 2.5 V 8 10 ppm/V 120 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 709-5500
Mfr. Part No.REF195FSZ
$6.99
Each
units
5V SOIC Fixed ±0.04 % Surface Mount Series 30mA 18 V 4.995 V 5.005 V 8 8 ppm/V 8 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 538-7289
Mfr. Part No.ADR01ARZ
$3.67
Each
units
10V SOIC Fixed ±0.1 % Surface Mount Series 10mA 36 V 9.99 V 10.01 V 8 30 ppm/V 70 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 161-0541
Mfr. Part No.AD581LH
$43.662
Each (In a Box of 100)
units
10V TO-5 Fixed ±0.05 % Through Hole Series 10mA 40 V - - 3 0.005 %/V 500 μV/mA 9.4 x 9.4 x 4.7mm