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AD7787 2-Channel 24-Bit Sigma-Delta ADC

AD7787 Description

Preliminary Technical Information .
The AD7787 is a low power, complete analog front end for low frequency measurement applications.

AD7787 Features

* Power Supply: 2.5 V to 5.25 V operation Normal Mode: 75 µA max Power-down Mode: 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

AD7787 Applications

* It contains a low noise 24-bit ∑-∆ ADC with one differential input and one single-ended input that can be buffered or unbuffered. The device operates from an internal clock. Therefore, the user does not have to supply a clock source to the device. The output data rate from the part is software prog

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2-Channel 24-Bit Sigma-Delta ADC Analog Devices
Analog Devices AD7787-like datasheet