AT73C213B

Features www.DataSheet4U.com Stereo Audio DAC 2.7V to 3.3V Analog Supply Operation 2.4V to 3.3V Digital Supply Operation 20-bit Stereo Audio DAC 93 dB SNR Playback Stereo Channels 32 Ohm/20 mW Stereo Headset Drivers with Master Volume and Mute Controls Stereo Line Level Input with Volume Control/mute and Playback through the Headset Drivers – Differential Monaural Auxiliary Input, with Volume Control/mute and Playback through the Headset Drivers – Accepts Mixed Signals from All Signal Paths (Line Inputs, External Mono and DAC Output) – 8, 11.024, 16, 22.05, 24, 32, 44.1 and 48 kHz Sampling Rates – 256x or 384xFs Master Clock Frequency – I2S Serial Audio Interface Mono Audio Power Amplifier – Supply Input from Main Li-Ion Battery – 440mW on 8 Ohm Load – Low Power Mode for Earphone – Programmable Volume Control (-22 to +20 dB) – Fully Differential Structure, Input and Output – 8 mA Drain Current in Full Power Mode – Power-down mode (Consumption Less than 2 µA) – Minimum External Components (Direct Connection of the Loudspeaker) Applications: Mobile Phones, Digital Cameras, PDAs, SmartPhones, DECT Phones, Music Players – – – – – – Power Management and Analog Companions (PMAAC) AT73C213B Audio Interface for Portable Handsets 1. Description The AT73C213B is a fully integrated, low-cost, combined stereo audio DAC and audio power amplifier circuit targeted for Li-Ion or Ni-Mh battery powered devices such as mobile phones, smartphones, PDA, DECT phones, digital still camera...