AK7755 Datasheet Dsp

Manufacturer: AKM (Asahi Kasei Microdevices)

Overview: [AK7755] AK7755 DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp 1.

Datasheet Details

Part number	AK7755
Manufacturer	AKM (Asahi Kasei Microdevices)
File Size	2.22 MB
Description	DSP
Datasheet	AK7755-AKM.pdf

General Description

The AK7755 is a highly integrated digital signal processor, including a mono ADC, a stereo audio CODEC, a MIC pre-amplifier, a line-out amplifier and digital audio I/F.

The audio DSP has 2560step at fs = 48kHz parallel processing power.

As the AK7755 is a RAM based DSP, it is programmable for user requirements such as high performance hands free function and acoustic effects.

Key Features

 DSP - Word length: 24-bit (Data RAM 24-bit floating point) - Instruction cycle: 8.1ns (2560fs at fs=48kHz) - Multiplier 24 x 24 → 48-bit (double precision available) - Divider 20 / 20 → 20-bit (with floating point normalization function) - ALU: 52-bit arithmetic operation (with overflow margin 4-bit) - Program RAM: 4096 × 36-bit - Coefficient RAM: 2048 × 24-bit - Data RAM: 2048 × 24-bit (24-bit floating point) - Offset Register: 32 × 13.

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