SIG7794/SIG7795

4.17SPS to 890SPS ADC with PGA and Reference

DATASHEET.PDF

Features

  • Programmable Gain: 1/2/4/8/16/32/64/128
  • Data Rates: 4.17SPS to 890SPS
  • RMS Noises: 20nV at 4.17SPS (Gain = 128)
  • 23.2ENOB (21.0 noise-free bits) at 4.17SPS (Gain= 1)
  • Offset Drift: 5nV/℃ (Gain = 128)
  • Gain Drift: 1ppm/℃
  • Integral Non-linearity: 3ppm
  • internal reference: 4ppm/℃
  • Reference input current: 1uA
  • Internal or External Clock
  • Simultaneous 50Hz/60Hz Rejection
  • 6 Differential Inputs
  • Power Supply
  • AVDD: 2.7V to 5.25V
    DVDD: 2.7V to 5.25V
  • Current: 0.5mA
  • Specified Temperature Range: -40℃ to 125℃
  • Package: 24-ld TSSOP

Applications

  • Weight Scales and Strain Gauges
  • Flow/Pressure Measurement
  • Temperature Measurement
  • Industrial Process Control
  • Medical Instrumentation

Compatible Parts

    AD7794/AD7795 pin/register fully compatible (10nV/℃ and 3ppm/℃).



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