Precision Temperature Measurements using MAX11410 ADC and RTDs

Abstract: Precision Temperature Measurements using MAX11410 ADC and RTDs.The MAX11410 is a low-power, 10-channel, 24-bit Σ-Δ ADC with features and specifications which are optimized for precision sensor measurements. The device includes a low-noise programmable gain amplifier (PGA) with very high input impedance and available gains from 1x to 128x to optimize the overall dynamic range. The programmable matched current sources provide excitation for RTD sensors. An additional current sink and current source aid in detecting broken sensor wires. The 10-channel input multiplexer provides the flexibility needed for complex, multi-sensor measurements, and GPIOs provide ease control of external switches or other circuitry. In addition, the MAX11410 has internal 50Hz/60Hz filter to provide improved Common Mode rejection and self and system Calibration option available to reduce further software effort.

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APP 6793:
APPLICATION NOTE 6793,AN6793, AN 6793, APP6793, Appnote6793, Appnote 6793