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