12-Bit Monolithic ADC Samples at up to 100 kHz

CMOS AD7878 Has 8-Word FIFO to Unburden Processor; 72-dB min Signal-to-Noise at 10 kHz, On-Chip Reference

The AD7878, a complete 12-bit sampling a/d converter for interfacing with digital signal processors, includes on a single CMOS chip (95.5 mW max dissipation):

  • track/hold with 2 μs max acquisition time
  • 7-μs analog-to-digital converter
  • 3 volt buried-Zener reference
  • 8-word FIFO and interface logic.

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