AD780ANZ

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AD780ANZ is one of the most prominent members of the PMIC (Power Management IC) voltage reference family. It is a precision, low power, and integrated power supply reference that offers great reliability and supreme accuracy over a wide range of supply voltages. The device can be configured as either a low dropout voltage reference or an adjustable reference.

The AD780ANZ voltage reference comes with a wide range of features that allows it to be used in many application fields. It features a 0.05% initial accuracy over the entire -40 to +85 °C temperature range, an input voltage range of 2.0V to 8.5V, a very low noise of 200μVpp (10Hz to 10kHz), and a minimum load current of 10μA.

The AD780ANZ voltage reference can be used for critical precision application circuits such as power supplies, logic power supplies, reference measurements and comparators. It is mainly used for applications requiring high-precision and accuracy, such as video data converters, graphics processors, instrumentation, mobile communication systems and PC-type applications. It is also commonly used in a wide range of analog applications, such as data acquisition, signal processing and control systems.

The AD780ANZ voltage reference operates in a very basic and straightforward way. Its primary building block is an integrated band gap reference, which provides very low temperature coefficient, low output noise and a wide supply voltage range. This band gap reference is connected to a temperature compensation network, which is designed to correct the band gap reference’s output voltage with regards to the temperature changes.

The voltage reference also features a low dropout regulator, which helps maintain the stability of the reference voltage output by compensating for the resistor divider errors caused by fluctuating supply voltages. The AD780ANZ voltage reference also has a number of additional features, such as line regulation, thermal shutdown protection and spikes filtering.

In summary, the AD780ANZ voltage reference is one of the most advanced and versatile members of the PMIC family. Its wide range of features allows it to be used in various application fields, ranging from precision power supplies to control and signal processing. Moreover, its simple and straightforward working principle also makes it an ideal choice for applications requiring high accuracy and reliability.

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