HI7191 24-Bit, High Precision, Sigma Delta A/D Converter The Intersil HI7191 is a monolithic instrumentation, sigma delta A/D converter which operates from 5V supplies.
Both the signal and reference inputs are fully differential for maximum flexibility and performance.
An internal Programmable Gain Instrumentation Amplifier (PGIA) provides input gains from 1 to 128 eliminating the need for external pre-amplifiers.
The on-demand converter auto-calibrate function is capable of removing offset and gain errors existing in external and internal circuitry.
The on-board user programmable digital filter provides over 120dB of 60/50Hz noise rejection and allows fine tuning of resolution and convers...

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