DESCRIPTION

· The AK4633 is a 16-bit mono CODEC with integrated Microphone-Amplifier and Speaker-Amplifier.

· It features input circuits with a Microphone-Amplifier and an ALC (Automatic Level Control) circuit.

· Output circuits include a Speaker-Amplifier and Mono Line Output.

· It is suitable for applications like Digital Still Cameras and supports Piezo Speakers.

· The device is housed in a compact 24-pin QFN package.

FEATURES

· 16-Bit Delta-Sigma Mono CODEC with recording and playback functions.

· MIC Amplifier with selectable gains: 0dB to 32dB in steps.

· Second Amplifier with ALC ranging from +36dB to -54dB in 0.375dB steps, including mute.

· ADC Performance: S/(N+D) of 84dB, DR, S/N of 85dB.

· Features Wind Noise Reduction and Notch Filter.

· Digital ALC for playback with similar range and steps as recording.

· Mono Line Output Performance: S/(N+D) of 85dB, S/N of 93dB.

· Speaker-Amp Performance: S/(N+D) of 60dB at 150mW @ 8Ω, Output Noise Level: -87dBV, BTL Output Power: 400mW @ 8Ω.

· Beep Input and Power Management features.

· Flexible PLL Mode supporting various frequencies and sampling rates.

· EXT Mode with frequencies up to 1024fs.

· Supports Master/Slave Mode and 3-wire Serial μP Interface.

· Audio Interface Format: MSB First, 2’s complement.

APPLICATIONS

· Digital Still Cameras.

· Devices requiring mono audio CODEC with microphone and speaker amplification.

· Applications utilizing Piezo Speakers.

· Systems needing compact audio solutions with integrated ALC and noise reduction features.