GENERAL DESCRIPTION
The AD73422 is a single device incorporating a dual analog front end and a microcomputer optimized for digital signal processing (DSP) and other high speed numeric processing applications.

FEATURES
    AFE PERFORMANCE
    Two 16-Bit A/D Converters
    Two 16-Bit D/A Converters
    Programmable Input/Output Sample Rates
    78 dB ADC SNR
    77 dB DAC SNR
    64 kS/s Maximum Sample Rate
    –90 dB Crosstalk
    Low Group Delay (25
s Typ per ADC Channel, 50
s Typ per DAC Channel)
    Programmable Input/Output Gain
    On-Chip Reference

DSP PERFORMANCE
    19 ns Instruction Cycle Time @ 3.3 V, 52 MIPS Sustained Performance
    Single-Cycle Instruction Execution
    Single-Cycle Context Switch
    3-Bus Architecture Allows Dual Operand Fetches in Every Instruction Cycle
    Multifunction Instructions
    Power-Down Mode Featuring Low CMOS Standby Power Dissipation with 400 Cycle Recovery from Power-Down Condition
    Low Power Dissipation in Idle Mode