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The CS5509 is a single supply, 16-bit, serial output CMOS A/D converter. The CS5509 uses charge-balanced (Delta-Sigma) techniques to provide a low cost, high resolution measurement at output word rates up to 200 samples per second. The on-chip digital filter offers superior line rejection at 50 Hz and 60 Hz when the device is operated from a 32.768 kHz clock (output word rate = 20 Hz.). The CS5509 has on-chip, self-calibration circuitry which can be initiated at any time or temperature to ensure minimum offset and full-scale errors. Low power, high-resolution, and small package size make the CS5509 an ideal solution for loop-powered transmitters, panel meters, weigh scales, and battery-powered instruments.
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