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. 106-7055
Mfr. Part No.REF02CSZ
PHP112.042
Each (In a Tube of 98)
units
5V SOIC Fixed ±1.0 % Surface Mount Series 8mA 40 V 4.95 V 5.05 V 8 150 ppm/V 150 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 522-8382
Mfr. Part No.REF02CSZ
PHP156.98
Each
units
5V SOIC Fixed ±1.0 % Surface Mount Series 8mA 40 V 4.95 V 5.05 V 8 150 ppm/V 150 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 912-7078
Mfr. Part No.AD586KRZ
PHP353.395
Each (In a Tube of 98)
units
5V SOIC Fixed ±0.1 % Surface Mount Series 10mA 36 V 4.995 V 5.005 V 8 100 μV/V 400 μV/mA 5 x 4 x 1.5mm
RS Stock No. 121-6914
Mfr. Part No.ADR510ARTZ-R2
PHP72.155
Each (On a Reel of 250)
units
1V SOT-23 Fixed ±0.35 % Surface Mount Shunt - - 0.9965 V 1.0035 V 3 - - 3.04 x 1.4 x 1.02mm
RS Stock No. 230-804
Mfr. Part No.AD586KRZ
PHP506.63
Each
units
5V SOIC Fixed ±0.1 % Surface Mount Series 10mA 36 V 4.995 V 5.005 V 8 100 μV/V 400 μV/mA 5 x 4 x 1.5mm
RS Stock No. 412-642
Mfr. Part No.AD587JRZ
PHP349.27
Each
units
10V SOIC Fixed ±0.1 % Surface Mount Series 10mA 36 V 9.99 V 10.01 V 8 100 μV/V 100 μV/mA 5 x 4 x 1.5mm
RS Stock No. 522-9076
Mfr. Part No.REF02CPZ
PHP201.16
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. 497-1912
Mfr. Part No.ADR425BRZ
PHP536.84
Each
units
5V SOIC Fixed ±0.04 % Surface Mount Series 10mA 18 V 4.998 V 5.002 V 8 35 ppm/V 70 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 161-0594
Mfr. Part No.ADR425BRZ
PHP401.978
Each (In a Tube of 98)
units
5V SOIC Fixed ±0.04 % Surface Mount Series 10mA 18 V 4.998 V 5.002 V 8 35 ppm/V 70 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 158-5251
Mfr. Part No.AD586BRZ
PHP627.953
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. 427-183
Mfr. Part No.AD586LRZ
PHP568.72
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. 761-7989
Mfr. Part No.LT1029CZ#PBF
PHP143.18
Each
units
5V TO-92 Fixed ±0.2 % Through Hole Shunt 10mA - 4.95 V 5.05 V 3 - - 4.572 x 3.556 x 4.572mm
RS Stock No. 709-5490
Mfr. Part No.REF195ESZ
PHP233.79
Each
units
5V SOIC Fixed ±0.04 % Surface Mount Series 30mA 18 V 4.998 V 5.002 V 8 4 ppm/V 4 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 111-1104
Mfr. Part No.REF02CPZ
PHP154.942
Each (In a Tube of 50)
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. 912-8740
Mfr. Part No.AD586LRZ
PHP465.423
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. 709-5406
Mfr. Part No.AD586BRZ
PHP714.33
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. 913-0712
Mfr. Part No.REF195ESZ
PHP219.45
Each (In a Tube of 98)
units
5V SOIC Fixed ±0.04 % Surface Mount Series 30mA 18 V 4.998 V 5.002 V 8 4 ppm/V 4 ppm/mA 5 x 4 x 1.5mm
RS Stock No. 919-9036
Mfr. Part No.LT1029CZPBF
PHP113.537
Each (In a Tube of 100)
units
5V TO-92 Fixed ±0.2 % Through Hole Shunt 10mA - 4.95 V 5.05 V 3 - - 4.572 x 3.556 x 4.572mm
RS Stock No. 912-7220
Mfr. Part No.AD587JRZ
PHP268.431
Each (In a Tube of 98)
units
10V SOIC Fixed ±0.1 % Surface Mount Series 10mA 36 V 9.99 V 10.01 V 8 100 μV/V 100 μV/mA 5 x 4 x 1.5mm
RS Stock No. 145-7442
Mfr. Part No.LTC6652BHMS8-2.5#PBF
PHP131.676
Each (In a Tube of 50)
units
2.5V MSOP Fixed ±0.1 % Surface Mount Series 16mA 13.2 V - 2.5 V 8 80 ppm/V 450 ppm/mA 3 x 3 x 0.86mm