Datasheet Analog Devices ADAU1772BCPZ — 数据表

Four ADC, Two DAC Low Power Codec
with Audio Processor
ADAU1772 Data Sheet
FEATURES Low power (15 mW for typical noise cancelling solution)
I2C and SPI control interfaces, self-boot from I2C EEPROM
7 MP pins supporting dual stereo digital microphone inputs,
stereo PDM output, mute, DSP bypass, push-button
volume controls, and parameter bank switching Programmable audio processing engine
192 kHz processing path
Biquad filters, limiters, volume controls, mixing
Low latency, 24-bit ADCs and DACs
102 dB SNR (signal through PGA and ADC
with A-weighted filter)
107 dB combined SNR (signal through DAC and headphone
with A-weighted filter)
Serial port sample rates from 8 kHz to 192 kHz
38 μs analog-to-analog latency
4 single-ended analog inputs—configurable as microphone
or line inputs
Dual stereo digital microphone inputs
Stereo analog audio output—single-ended or differential,
configurable as either line output or headphone driver
PLL supporting any input clock rate from 8 MHz to 27 MHz …