ADAU1373

Low Power Codec with Speaker and Headphone Amplifier ADAU1373 FEATURES 1 stereo ADC and 2 stereo DACs with sampling rates from 8 kHz to 48 kHz Low power: 7 mW record, 6 mW playback, 48 kHz at 1.8 V 8 single-ended or 4 differential inputs with PGA 2 microphone bias reference voltages with current sense 2 stereo digital microphone inputs Flexible analog input/output mixers 1 stereo differential or 2 stereo single-ended line outputs True ground-centered stereo Class-G headphone amplifier, capable of 2 × 50 mW into 16 Ω at 1.8 V, 10% THD Filterless stereo Class-D speaker amplifier, capable of 2 × 880 mW into 8 Ω at 3.6 V, 10% THD Differential earpiece amplifier capable of driving 32 Ω 2 PLLs, supporting input clocks from 8 kHz to 27 MHz I2C control interface Digital audio processing 3 digital audio input and output ports with ASRC I2S, PCM, right-justified, left-justified modes 4.05 mm × 3.82 mm, 81-ball, 0.4 mm pitch WLCSP package −40°C to +85°C operating temperature range APPLICATIONS Mobile phones, tablet PCs, e-books, portable media players GENERAL DESCRIPTION The ADAU1373 is a low power, stereo audio codec with integrated digital audio processing that supports stereo 48 kHz record and playback. The stereo audio ADCs and DACs support sampling rates from 8 kHz to 48 kHz, as well as a digital volume control. Eight single-ended or four differential analog inputs with PGAs are provided for adjusting the gain from −12 dB to +18 dB. They can be configured for microphones or line ...