ZRC500F03TA

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The ZRC500F03TA is a voltage reference within PMIC - Voltage Reference category, which refers to the sources of electronic reference signals of a certain voltage value. These voltage references are calibrated devices that provide a more accurate reference voltage than resistor dividers and that can be used to set fixed points in a power supply, or to measure an input voltage divided by a predetermined factor.

The ZRC500F03TA is able to source an adjustable reference voltage between 0.1 V (at VREF = 0.1 V) and 4.75 V (at VREF = 4.75 V). It is a low cost solution for high accuracy, low temperature coefficient voltage references. The output voltage can be adjusted to any specific user-defined voltage level using external resistor or trim adjustment methods.

The ZRC500F03TA operating temperature range is -40ºC to +125ºC and it is specifically designed to provide an incredibly stable voltage reference over temperature and time. It also offers a guaranteed accuracy of ±1.5 mV and a nominal current consumption of 50µA. This low voltage reference is also extremely compact and easy to use, with an overall size of just 1.6 mm x 1.2 mm.

The ZRC500F03TA works on the principle of a series pass transistor. It consists of an input voltage, an adjustable reference voltage, error amplifier and a voltage follower. The input voltage is fed to the reference voltage and to the inverting input of the error amplifier. The adjustable reference voltage is generated by external resistors or variable resistor, which is also fed to the non-inverting input of the error amplifier. The error amplifier compares the input voltage and the adjustable reference voltage and produces an output voltage that is proportional to the difference between these two voltages. This output voltage is then supplied to the voltage follower, which acts as an amplifier to produce the output voltage of ZRC500F03TA.

The ZRC500F03TA is primarily used in precision voltage associated applications such as in zero-drift amplifiers, A/D converters, monitors, radios, amplifiers, and other low voltage applications. It also has multiple applications in battery powered systems, as well as in circuits that require a low noise reference.

In conclusion, the ZRC500F03TA is a reliable, accurate and low cost solution for applications which require precise voltage references. It offers excellent temperature stability and accuracy thanks to its low temperature coefficient and a nominal current consumption of 50µA. The overall size of just 1.6 mm x 1.2 mm makes it an ideal choice for use in space-constrained designs.

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