GENERAL DESCRIPTION

The ADAU1781 is a low power, 24-bit stereo audio codec. The low noise DAC and ADC support sample rates from 8 kHz to 96 kHz. Low current draw and power saving modes make the ADAU1781 ideal for battery-powered audio applications.

FEATURES

24-bit stereo audio ADC and DAC

400 mW speaker amplifier (into 8 Ω load)

Programmable SigmaDSP audio processing core

Wind noise detection and filtering

Enhanced stereo capture (ESC)

Dynamics processing

Equalization and filtering

Volume control and mute

Sampling rates from 8 kHz to 96 kHz

Stereo pseudo differential microphone input

Optional stereo digital microphone input pulse-density

modulation (PDM)

Stereo line output

PLL supporting a range of input clock rates

Analog and digital I/O 1.8 V to 3.3 V

Software control via SigmaStudio graphical user interface

Software-controllable, clickless mute

Software register and hardware pin standby mode

32-lead, 5 mm × 5 mm LFCSP

APPLICATIONS

Digital still cameras

Digital video cameras