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AD7791 - Buffered 24-Bit Sigma-Delta ADC

AD7791 Description

Data Sheet .
The AD7791 is a low power, complete analog front end for low frequency measurement.

AD7791 Features

* Power Supply: 2.5 V to 5.25 V operation Normal: 75 μA max Power-down: 1 μA max RMS noise: 1.1 μV at 9.5 Hz update rate 19.5-bit p-p resolution (22 bits effective resolution) Integral nonlinearity: 3.5 ppm typical Simultaneous 50 Hz and 60 Hz rejection Internal clock oscillator Rail-to-rail input buf

AD7791 Applications

* Smart transmitters Battery applications Portable instrumentation Sensor measurement Temperature measurement Pressure measurement Weigh scales 4 to 20 mA loops Low Power, Buffered 24-Bit Sigma-Delta ADC AD7791 FUNCTIONAL BLOCK DIAGRAM GND VDD REFIN(+) REFIN(
* ) VDD CLOCK AIN(+) AIN(

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Buffered 24-Bit Sigma-Delta ADC Analog Devices
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