KAD/CDC/002 24

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The KAD/CDC/002 is used to condition and digitize up to 24 differential-ended current channels. At the heart of the KAD/CDC/002 is a hard-wired state-machine that over-samples all channels and digitally filters any noise above the user-programmable cutoff frequency. This is achieved using cascaded, half-band, decimate by 2, 15-tap, Finite-Impulse-Response (FIR) filters with 32-bit coefficients. All signals are sampled simultaneously. Secondary gain and offset are achieved digitally according to a specified range.


  • 24 current input channels
  • Simultaneous 14-bit sampling for each channel
  • Input range ±20 mA
  • Accuracy: ±0.5% FSR for input range ±20 mA
  • Programmable range and filter cutoff for each channel
  • For use with 4-20 mA transmitters
  • Short to ground on any channel does not affect others
  • Up to 17,500 samples per second per channel
  • Up to 1.1 kHz bandwidth


  • Current measurements
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