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AK7754 - Audio DSP

Datasheet Summary

Description

The AK7754 is a highly integrated audio digital signal processor (DSP) with two Audio I/F’s, Microphone and Headphone Amplifier.

The audio DSP has 1536step/fs (at 48KHz sampling) parallel processing power, and AKM’s original Hands-free technology provides high performance noise and echo cancelling.

Features

  • DSP Block - Word length: 24bit (Coefficient RAM & Data RAM: F24 floating point) - Processing Speed: 13.6 ns (1536step/fs fs=48kHz; 9216step/fs fs=8kHz) - Multiplication: 20 x 16 → 36-bit Double precision arithmetic av.

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Datasheet Details

Part number AK7754
Manufacturer AKM
File Size 520.45 KB
Description Audio DSP
Datasheet download datasheet AK7754 Datasheet
Additional preview pages of the AK7754 datasheet.

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Full PDF Text Transcription

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[AK7754] AK7754 Audio DSP with Stereo CODEC + MIC/HP-AMP GENERAL DESCRIPTION The AK7754 is a highly integrated audio digital signal processor (DSP) with two Audio I/F’s, Microphone and Headphone Amplifier. The audio DSP has 1536step/fs (at 48KHz sampling) parallel processing power, and AKM’s original Hands-free technology provides high performance noise and echo cancelling. The 96k-bit delay memory allows surround processing, acoustic effect and parametric equalizers. As the AK7754 is a RAM based DSP, it is programmable for user requirements. The internal SRC has various sampling rate converting modes, corresponds many sampling rates without changing the DSP operating sampling frequency. The AK7754 is available in a space saving small 48pin QFN package.
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