The AD73322 is a low-cost, low-power CMOS general-purpose dual analog front-end processor. It features two 16-bit A/D converters and two 16-bit D/A converters, programmable input/output sample rates, 78 dB ADC SNR, 77 dB DAC SNR, maximum sample rate of 64 kS/s, -90 dB crosstalk, low group delay, programmable input/output gain, flexible serial port allowing up to four dual codecs to be connected in cascade, providing eight I/O channels, single (+2.7 V to +5.5 V) supply operation, power consumption of 73 mW typ at 3.0 V, and on-chip reference. It is suitable for general-purpose analog I/O, speech processing, cordless and personal communications, telephony, active control of sound and vibration, data communications, wireless local loop, and other applications.