GENERAL DESCRIPTION
The AD7878 is a fast, complete, 12-bit A/D converter with a versatile DSP interface consisting of an 8-word, first-in, first-out (FIFO) memory and associated control logic.
   
FEATURES
    Complete ADC with DSP Interface, Comprising:
        Track/Hold Amplifier with 2 μs Acquisition Time
        7 μs A/D Converter
        3 V Zener Reference
        8-Word FIFO and Interface Logic
    72 dB SNR at 10 kHz Input Frequency
    Interfaces to High Speed DSP Processors, e.g.,
        ADSP-2100, TMS32010, TMS32020
    41 ns max Data Access Time
    Low Power, 60 mW typ
   
APPLICATIONS
    Digital Signal Processing
    Speech Recognition and Synthesis
    Spectrum Analysis
    High Speed Modems
    DSP Servo Control