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AK4640 - 16-BIT CODEC

General Description

The AK4640 targeted at PDA and other low-power, small size applications.

Key Features

  • a 16bit stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Speaker-Amplifier. Input circuits include a Microphone-Amplifier and an ALC (Auto Level Control) circuit. The AK4640 is available in a smaller 57pin BGA in addition to a 52pin QFN that has compatibility with the AK4534/8, utilizing less board space than competitive offerings.

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Other Datasheets by AKM (Asahi Kasei Microdevices)

Part Number Description
AK4641 16-BIT CODEC
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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 [AK4640] AK4640 16-Bit ∆Σ CODEC with MIC/HP/SPK-AMP GENERAL DESCRIPTION The AK4640 targeted at PDA and other low-power, small size applications. It features a 16bit stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Speaker-Amplifier. Input circuits include a Microphone-Amplifier and an ALC (Auto Level Control) circuit. The AK4640 is available in a smaller 57pin BGA in addition to a 52pin QFN that has compatibility with the AK4534/8, utilizing less board space than competitive offerings. FEATURES 1. Resolution : 16bits 2. Recording Function • Mono Input • 2 to 1 Selector (Internal and External MIC) • 1st MIC Amplifier : +20dB or 0dB • 2nd Amplifier with ALC : +27.5dB ∼ −8dB, 0.5dB Step • ADC Performance : S/(N+D) : 79dB, DR, S/N : 83dB 3.