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AK4688 - Asynchronous Stereo CODEC

Description

The AK4688 is a stereo audio CODEC.

The integrated ADC and DAC interfaces accept up to 24-bit input/output data and support an asynchronous operation.

The input range of the pre-amplifier, that supports line inputs, is adjustable by an external resistor.

Features

  • † Asynchronous ADC/DAC Operation † Capless Stereo Pre-amplifier for Line Input/Output † 24bit Stereo ADC - 64x Oversampling - Sampling Rate up to 48kHz - Linear Phase Digital Anti-Alias Filter - S/(N+D): 83dB - Dynamic Range, S/N: 99dB - Digital HPF for Offset Cancellation † 24bit Stereo DAC - 128x Oversampling - Sampling Rate up to 192kHz - 24bit 8 times Digital Filter - S/(N+D): 95dB - Dynamic Range, S/N: 105dB - De-emphasis Filter † High Jitter Tolerance † External Master Clock Input: 256fs,.

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Datasheet Details

Part number AK4688
Manufacturer AKM
File Size 698.22 KB
Description Asynchronous Stereo CODEC
Datasheet download datasheet AK4688 Datasheet

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Full PDF Text Transcription

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[AK4688] AK4688 Asynchronous Stereo CODEC with Capless Line I/O GENERAL DESCRIPTION The AK4688 is a stereo audio CODEC. The integrated ADC and DAC interfaces accept up to 24-bit input/output data and support an asynchronous operation. The input range of the pre-amplifier, that supports line inputs, is adjustable by an external resistor. A ground referenced 2Vrms output with a 3.3V single power supply is achieved by an integrated charge pump, reducing external parts such as AC-coupling capacitors and mute circuits. The ADC block of the AK4688 achieves a dynamic range of 99dB, and the DAC block achieves a dynamic range of 105dB. The AK4688 is suitable for digital recording systems, digital TVs, Blu-ray recorders and Home theater systems.
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