AS3515 - austriamicrosystems AG

AS3515 Stereo Audio Codec

The AS3515 is a low power stereo audio codec and is designed for Portable Digital Audio Applications. It allows playback in CD quality and recording in FM-stereo quality. It has a variety of audio inputs and outputs to directly connect electret microphones, 16Ω headset, 4Ω speaker and auxiliary signal sources via a 10-channel mixer. It only consumes 22mW in .

Features

Multi-bit Sigma Delta Converters
  – DAC: 18bit with 94dB SNR (‘A’ weighted) , 48kHz
  – ADC: 14bit with 82dB SNR (‘A’ weighted), 16kHz 2 Microphone Inputs
  – 3 gain pre-setting (28dB/34dB/40dB) and AGC
  – 32 gain steps @1.5dB and MUTE
  – supply for electret microphone
  – microphone detection
  – remote control by switch 2 Line Inputs
  – volume control via serial interface
  – 32 steps @1.5dB and MUTE
  – stereo or 2x mono or mono differential Line Outputs
  – volume control via serial interface
  – 32 steps @1.5dB and MUTE
  – 1Vp @10kΩ
  – mono differential 5mW to 32Ω (ear-peace) Audio Mixer
  – 10 channel input/out.