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AK4647 - Stereo CODEC

General Description

The AK4647

Key Features

  • a s tereo CODEC with a built-in Microphone-Amplifier and Headphone-Amplifier. Built-in PLL circuit supports an easy interface with variable systems. The AK4647 is available in a 48pin LQFP, utilizing less board space than competitive offerings.

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AK4647 Stereo CODEC Asahi Kasei Microsystems
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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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ASAHI KASEI [AK4647] AK4647 Stereo CODEC with MIC/HP-AMP GENERAL DESCRIPTION The AK4647 features a s tereo CODEC with a built-in Microphone-Amplifier and Headphone-Amplifier. Built-in PLL circuit supports an easy interface with variable systems. The AK4647 is available in a 48pin LQFP, utilizing less board space than competitive offerings. FEATURES 1. Recording Function • Stereo Mic Input (Full-differential or Single-ended) • Stereo Line Input • MIC Amplifier (+32dB/+26dB/+20dB or 0dB) • Digital ALC (Automatic Level Control) (+36dB ∼ −54dB, 0.375dB Step, Mute) • ADC Performance: S/(N+D): 83dB, DR, S/N: 86dB (MIC-Amp=+20dB) S/(N+D): 88dB, DR, S/N: 95dB (MIC-Amp=0dB) • Wind-noise Reduction Filter • Stereo Separation Emphasis • Programmable EQ 2.