• Part: AK4678
  • Description: Stereo CODEC
  • Manufacturer: Asahi Kasei Microdevices
  • Size: 2.73 MB
AK4678 Datasheet (PDF) Download
Asahi Kasei Microdevices
AK4678

Description

The AK4678 is a 24bit stereo CODEC with a built-in Microphone-Amplifier, Receiver-Amplifier, Mono Class-D Speaker-Amplifier, Cap-less Class-G Headphone-Amplifier and Line-Amplifier. The AK4678 features dual PCM I/F in addition to audio I/F that allows easy interfacing in mobile phone designs with Bluetooth I/F.

Key Features

  • Recording Function (Stereo CODEC)
  • 4 Stereo Input Selectors
  • 4 Stereo Inputs (Single-ended) or 3 Mono Input (Full-differential)
  • MIC Amplifier: +24dB ~ 6dB, 3dB step
  • 2 Output MIC Power Supplies
  • Digital ALC (Automatic Level Control): +36dB ~ 54dB, 0.375dB Step, Mute