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AK5703 - 4-Channel 24-bit ADC

General Description

The AK5703 is a 4-channel 24-bit A/D converter with programmable microphone amplifiers and ALC (Automatic Level Control) circuit.

It is designed for consumer microphone array applications.

An integrated PLL operates from a wide variety of clocks, enabling high design flexibility.

Key Features

  • Recording Function - 4-Channel ADC - Full-differential or Single-ended Input - Microphone Amplifier (+36dB/+30dB/+24dB/+18dB/+15dB/+12dB/+8dB/0dB) - Input Voltage: 1.8Vpp@AVDD=3.0V (= 0.6 x AVDD) - ADC Performance: S/(N+D): 85dB, DR, S/N: 96dB@MGAIN=0dB, Single-ended Input S/(N+D): 78dB, DR, S/N: 83dB@MGAIN=+30dB, Full Differential Input - Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz) - Microphone Sensitivity Correction (+3dB ∼.
  • 3dB, 0.75dB Step) - Digital ALC (Automatic L.

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Other Datasheets by AKM (Asahi Kasei Microdevices)

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AK5700 Mono ADC
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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[AK5703] AK5703 4-Channel 24-bit ADC with PLL & MIC-AMP GENERAL DESCRIPTION The AK5703 is a 4-channel 24-bit A/D converter with programmable microphone amplifiers and ALC (Automatic Level Control) circuit. It is designed for consumer microphone array applications. An integrated PLL operates from a wide variety of clocks, enabling high design flexibility. Microphone power outputs are included for biasing external microphones. Wide dynamic range is achieved, at 83dB with a microphone gain setting of +30dB. The AK5703 is packaged in a space-saving 28-pin QFN package. FEATURES Recording Function - 4-Channel ADC - Full-differential or Single-ended Input - Microphone Amplifier (+36dB/+30dB/+24dB/+18dB/+15dB/+12dB/+8dB/0dB) - Input Voltage: 1.8Vpp@AVDD=3.0V (= 0.