GENERAL DESCRIPTION
●The AD7791 is a low power, complete analog front end for low frequency measurement applications. It contains a low noise 24-bit ∑-∆ ADC with one differential input that can be buffered or unbuffered.
●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 buffer
●VDD monitor channel
●Temperature range: –40°C to +105°C
●10-lead MSOP
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