AT73C240

www.DataSheet4U.com Features Stereo Audio DAC 2.7V to 3.3V Analog Supply Operation 2.4V to 3.3V Digital Supply Operation 20-bit Stereo Audio DAC 90 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 – Accepts Mixed Signals from All Signal Paths (Line Inputs 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 (3V to 5.5V) – 440 mW on 8 Ohm Load – Programmable Volume Control (-22 to +20 dB) – Fully Differential Structure, Input and Output – 8 mA Drain Current in Active Mode – Power-down Mode (Consumption Less than 2 µA) – Minimum External Components (Direct Connection to the Loudspeaker) Applications: Mobile Phones, Digital Cameras, PDAs, SmartPhones, DECT Phones, Music Players – – – – – – Power Management and Analog Companions (PMAAC) AT73C240 Audio Interface for Portable Handsets 1. Description The AT73C240 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 cameras, music players or any other type of handheld device where an audio interface is needed. The stereo DAC section is a complete high performance, ...