AD780ARZ-REEL7

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The AD780ARZ-REEL7 is a precision voltage reference component that is available in a 3 mm x 3 mm QFN (quad flat none) SMD (surface mount device) package, making it ideal for space-constrained applications. It is part of a family of voltage reference products from Analog Devices, specifically classified as a precision monolithic voltage reference in the passive-component product category.

Specifically, the AD780ARZ-REEL7 voltage reference offers an accuracy of ±0.2% at 25°C, a temperature coefficient of as low as 30 ppm/°C, and a supply current of only 1.3 µA. It is designed to function with a voltage range of 4.75 V to 5.25 V and can operate over a temperature range of -55°C to 150°C. It offers short-circuit protection and thermal shutdown, as well as a fixed output voltage range of 2.5V, 4.096V, 5.0V, 10V, and 10.24V.

The AD780ARZ-REEL7 makes a great choice for applications including microprocessor systems, memory systems, digital signal processing, medical instrumentation, industrial control, instrumentation and process control, automotive, and telecommunication systems. It is highly versatile, making it suitable for a range of applications and circuit types, including regulated power supplies and instrumentation.

The working principle of the AD780ARZ-REEL7 voltage reference is based on the Zener diode, combined with a number of other active and passive components to ensure high accuracy and low temperature coefficient. The device uses an integrated bandgap voltage reference, which ensures the accuracy of the output voltage. The Zener diode is implemented in series with a resistor to control the current and maintain a constant output voltage. The integrated circuit of the device also includes a voltage divider so that the reference voltage can be accurately maintained over different temperatures. Furthermore, the device has a current mirror circuit that ensures a stable reference voltage even as the supply voltage changes.

In summary, the AD780ARZ-REEL7 is a great choice for precision voltage reference applications in a range of different areas. Its accuracy and low temperature coefficient ensure that it is suitable for many types of circuits, from regulated power supplies to instrumentation. Its integrated bandgap voltage reference and current mirror circuit ensure that its output voltage is stable and accurate over changing supply voltages and over different temperatures.

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