AD7701ARZ-REEL

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The AD7701ARZ-REEL is a monolithic, fully integrated device designed for high precision, low-power, low-noise applications. It is part of the Analog Devices portfolio of data acquisition - analog to digital converters (ADC). The device uses a single-ended and a differential input, contains a bandgap reference generator, a PGA, and a 12-bit ADC, and is designed to provide excellent linearity and precision. The power consumption of the device is only 1.1µA in normal mode, so it is well suited for low-power applications as well.

The AD7701ARZ-REEL operates on a single supply voltage of 2.7V to 5.5V and has a wide operating temperature range from -40°C to +125°C(-40°F to +260°F). It is equipped with a power-down function and a conversion-ready flag to help minimize power consumption. As the name suggests, the device has a small form factor and is available on tape-and-reel packaging for automatic mounting. The AD7701ARZ-REEL is also available in a plastic TSSOP-16 package.

The AD7701ARZ-REEL incorporates a state-of-the-art charge redistribution successive approximation register (SAR) ADC with a guaranteed ENOB of 12 bits and a sampling rate of up to 3MSPS. It also features a wide input dynamic range of 2Vpp and a low offset voltage of 4mV. The device offers excellent differential linearity and total harmonic distortion performance, making it an excellent choice for high-precision applications.

The AD7701ARZ-REEL is a highly configurable device. It has an on-chip programmable gain amplifier (PGA), which supports a gain range from 0 to 128. The device also features an adjustable power-down function that allows the user to reduce power consumption by disabling the ADC when it is not in use. The AD7701ARZ-REEL also contains an on-chip reference generator and a zero-code detector for easy calibration of the ADC.

The working principle of the AD7701ARZ-REEL is simple and straightforward. The device uses a charge redistribution successive approximation register (SAR) ADC, which is based on the principle of comparing an input voltage to a reference voltage to determine the Digital value that corresponds to the Analog input. The SAR ADC works by first comparing the analog input voltage to a reference voltage, then using a digital logic circuit to compare the difference between the input and reference voltages to determine the digital output. The process is repeated until the digital output is within close enough tolerance to the input voltage.

The AD7701ARZ-REEL is well-suited for a variety of applications including data acquisition, process control and automation, medical instrumentation, and industrial instrumentation. The device\'s low-power capabilities make it ideal for battery-powered applications as well. Its wide input range and excellent linearity makes it an excellent choice for high-precision applications.

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