ADAU1781

Low Noise Stereo Codec with SigmaDSP Processing Core ADAU1781 FEATURES GENERAL DESCRIPTION 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) 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. Dynamics processing Equalization and filtering Volume control and mute Sampling rates from 8 kHz to 96 kHz Stereo pseudo differential microphone input E Optional stereo digital microphone input pulse-density modulation (PDM) Stereo line output PLL supporting a range of input clock rates T Analog and digital I/O 1.8 V to 3.3 V Software control via SigmaStudio graphical user interface Software-controllable, clickless mute E Software register and hardware pin standby mode 32-lead, 5 mm × 5 mm LFCSP APPLICATIONS A programmable SigmaDSP® core provides enhanced record and playback processing to improve overall audio quality. The record path includes two digital stereo microphone inputs and an analog stereo input path. The analog inputs can be configured for either a pseudo differential or a single-ended stereo source. A dedicated analog beep input signal can be mixed into any output path. The ADAU1781 includes a stereo line output and speaker driver, which makes the device capable of...