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Showing Results For: Voltage References

Voltage References

A voltage reference is a piece of electronic equipment that basically generates a specified current regardless of the equipment overload, voltage supply changes, temperature variations, and the passage of time. Power supplies, analog-to-digital converters, digital-to-analog converters, and other measurement and control systems all require voltage. The performance of voltage varies greatly; a computer power supply regulator could only be able to maintain its value to a few percent of the nominal value, whereas laboratory voltage standards have precisions and stability measured in parts per million.

Why Do We Use Voltage?

A reference voltage must remain constant regardless of system variables like input voltage or outside temperature for measurements to be accurate. A voltage-reference IC delivers a constant voltage that other ICs can utilize to take accurate measurements.

Common Types of Voltage Reference

Voltage can be classified into three categories: bandgap, zener, and charged capacitor.

  • Due to ionizing radiation's volatility, the charged capacitor is rarely employed. The capacitor is discharged by alpha, beta, gamma, cosmic rays, or regular x-rays used at airports, hospitals, and transportation security.
  • Zener employed both in and out of avalanche mode is the second kind of common voltage reference. Most avalanche mode zeners are utilized above around 5.5V, depending on the semiconductor process, where they would be most stable (i.e., at a steep knee).
  • Bandgap is an inventive use of two transistor junctions with various current densities and thus various temperature coefficients. To create a virtually flat temperature curve, two voltages with opposite temperature coefficients are subtracted from one another.

Applications of Voltage

Voltage is employed to offer a very precise current for measurements to be made against. The precision of any measurement is as efficient as the capability to make a comparison against a defined standard.

High-resolution A/D converters and D/A converters, digital meters, smart sensors with threshold detectors, servo systems, battery management, precision regulators, and many other precision industrial control systems require a precision voltage reference at their core.


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New Items
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ADR5043ARTZ-R2, Analog Devices

ADR5043ARTZ-R2, Analog Devices

Voltage Reference, 3.0V to 4.5V, Analog Devices Voltage References, Analog Devices Precison Fixed and Adjustable Voltage Reference ICs utilsing series, shunt or series/shunt topologies and available in both through-hole and surface mount packages. Voltage References are available with initial accuracies of ±0.02 to ±2%.
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LT1236AIS8-5PBF, Linear Technology

LT1236AIS8-5PBF, Linear Technology

Voltage Reference, 5V, Linear Technology Precision Fixed and Adjustable Voltage Reference ICs utilsing series, shunt or series/shunt topologies and available in both through-hole and surface mount packages. Voltage References are available with initial accuracies of ±0.02 to ±2%. Voltage References, Linear Technology Linear Technology produces a wide range of series and shunt precision voltage references. Series types operate in the same manner as 3-terminal voltage regulators whilst shunt references perform in the same way as zener diodes. Linear Technology voltage references offer accuracy and low drift over time and temperature. Typical applications include precision measurement systems, power supply monitoring, current loop measurement and control systems, digital voltmeters and A/D and D/A references.
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LT1236CCS8-10#PBF, Linear Technology

LT1236CCS8-10#PBF, Linear Technology

Voltage Reference, 6V to 10V, Linear Technology Voltage References, Linear Technology Linear Technology produces a wide range of series and shunt precision voltage references. Series types operate in the same manner as 3-terminal voltage regulators whilst shunt references perform in the same way as zener diodes. Linear Technology voltage references offer accuracy and low drift over time and temperature. Typical applications include precision measurement systems, power supply monitoring, current loop measurement and control systems, digital voltmeters and A/D and D/A references.
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LT1004IS8-1.2#PBF, Linear Technology

LT1004IS8-1.2#PBF, Linear Technology

Voltage Reference, Up to 2.048V, Linear Technology Linear Technology provides a range of series and shunt precision voltage references. Series voltage references behave like a 3 terminal regulator and shunt voltage references perform like Zener diodes. The LTC voltage references offer accuracy and low drift over time and temperature. .A series voltage reference can also operate in shunt mode; they can draw only load and quiescent current from the input supply. With shunt voltage references the bias current must be set higher. Since shunt voltage references are typically biased with a resistor the voltage reference will work on a range of input voltages. Typical applications include power supply monitor, current loop measurement and control systems, digital voltmeters and 8-bit A/D and D/A reference. Shunt precision voltage references : Accuracy and temperature stability with low noise Series voltage references : Low dropout, low power and excellent line regulation Voltage References, Linear Technology Linear Technology produces a wide range of series and shunt precision voltage references. Series types operate in the same manner as 3-terminal voltage regulators whilst shunt references perform in the same way as zener diodes. Linear Technology voltage references offer accuracy and low drift over time and temperature. Typical applications include precision measurement systems, power supply monitoring, current loop measurement and control systems, digital voltmeters and A/D and D/A references.
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LT1460GCZ-2.5#PBF, Linear Technology

LT1460GCZ-2.5#PBF, Linear Technology

Voltage Reference, 2.5V, Linear Technology A range of 2.5V precision voltage references from Linear Technology. The range includes both series and shunt types with some devices (such as the LT1019) being capable of operating in either mode. Initial tolerance as low as ±0.05% Low drift with temperature Both series and shunt types available Voltage References, Linear Technology Linear Technology produces a wide range of series and shunt precision voltage references. Series types operate in the same manner as 3-terminal voltage regulators whilst shunt references perform in the same way as zener diodes. Linear Technology voltage references offer accuracy and low drift over time and temperature. Typical applications include precision measurement systems, power supply monitoring, current loop measurement and control systems, digital voltmeters and A/D and D/A references.
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LT1004CS8-2.5#PBF, Linear Technology
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MAX6107EUR+T, Maxim

MAX6107EUR+T, Maxim

Voltage Reference, 2.8V to 4.5V, Maxim Integrated Voltage References, Maxim Integrated
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MAX873BESA+, Maxim

MAX873BESA+, Maxim

Voltage Reference, 2.5V, Maxim Integrated Voltage References, Maxim Integrated Sorry Your request could not be completed at this time
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LT1790AIS6-5TRMPBF, Linear Technology

LT1790AIS6-5TRMPBF, Linear Technology

Voltage Reference, 5V, Linear Technology Precision Fixed and Adjustable Voltage Reference ICs utilsing series, shunt or series/shunt topologies and available in both through-hole and surface mount packages. Voltage References are available with initial accuracies of ±0.02 to ±2%. Voltage References, Linear Technology Linear Technology produces a wide range of series and shunt precision voltage references. Series types operate in the same manner as 3-terminal voltage regulators whilst shunt references perform in the same way as zener diodes. Linear Technology voltage references offer accuracy and low drift over time and temperature. Typical applications include precision measurement systems, power supply monitoring, current loop measurement and control systems, digital voltmeters and A/D and D/A references.
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