AD780BNZ Integrated Circuits (ICs)

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The AD780BNZ is a precision CMOS voltage reference family manufactured by Analog Devices Inc. It is a type of voltage reference specifically classified as a PMIC (Power Management Integrated Circuit) - Voltage Reference. It is designed to provide a regulated, temperature-stable output voltage over a wide voltage range. The AD780BNZ family consists of 16 members, with the voltage ranges designed for varying applications.

The output voltage produced by the AD780BNZ is typically 2.5 volts, and it can support a maximum operating temperature range of 0 to 70 degrees Celsius. The input voltage range for the device is from 4.0 to 12 volts, and it can supply 16 mA of output current. The AD780BNZ also has a low output impedance, with a maximum of 0.8 ohms, which makes it suitable for taking loads with higher currents than standard CMOS devices can support.

The AD780BNZ is constructed using a special type of CMOS process that is optimized for maintaining a stable voltage over the temperature range it is designed for. The AD780BNZ also has a low power consumption, and it only requires a few milliwatts of total power, making it ideal for applications in which power saving is important. Furthermore, the device also has a fast start-up time, and it can be used in systems that must respond quickly to changes in current supply or temperature.

The AD780BNZ is designed for a variety of different applications, including measurement and regulation of power supplies, applications in computer and communication systems, and programmable logic. It can also be used as a voltage reference for digital-to-analog converters, analog-to-digital converters, signal processing and millinommeters. Additionally, it can be used to provide signal conditioning in power switching, battery charging, and reporting of system errors.

The working principle of the AD780BNZ is based on a design which employs a bandgap circuit to generate a stable reference voltage. A bandgap circuit is a type of active circuit which uses thermal voltage differences generated between two points to produce a reference voltage. The AD780BNZ is able to generate and regulate the reference voltage due to its precision CMOS bandgap circuit. The bandgap circuit uses transistors, which are operated in a so-called "common mode" configuration, and are connected to the output buffer stage of the voltage reference. When the output buffer stage is activated, the transistors are automatically biased, thus causing the reference voltage to be regulated.

The AD780BNZ is an excellent example of a precision CMOS voltage reference that is designed for use in a range of applications. It offers fast start-up, low power consumption, and stable output voltage over a wide temperature range. Moreover, its low output impedance makes it suitable for taking loads with higher current levels, a capability which is useful in power switching, battery charging and other signal conditioning applications.

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