AK7712 Datasheet PDF - Asahi Kasei Microsystems Built-in 20-bit ADC/DAC Sophisticated Audio DSP Specs

AK7712 - Built-in 20-bit ADC/DAC Sophisticated Audio DSP

Datasheet Summary

Description

The AK7712A is a DSP(Digital Signal Processor) with built-in high performance 20bit 2ch ADC and 4ch DAC, on purposeto control the sound field.

It is possible to calculate 383 steps on 44.1kHz and 48kHz sampling respectively.

In case of 32kHz sampling, it can caluculate up to 511 steps.

Features

[ DSP unit ] Word length: 24-bit (data RAM) Instruction cycle time: 54ns(maximum speed) Multiplier: 24 × 16 → 40-bit Divider: 16 ÷ 16 → 16-bit Program RAM: 384 × 32 bit External memory: DRAM,Pseudo-SRAM and SRAM can be connected (only use for delay data). Sampling frequency: 32kHz∼48kHz Automatic clear function of external RAM: 47msec after bringing RST high at fs=48kHz (include internal data RAM) Microcomputer interface: synchronized signal type 8-bit serial input 1 channel, s.

Datasheet Details

Part number	AK7712
Manufacturer	Asahi Kasei Microsystems
File Size	968.43 KB
Description	Built-in 20-bit ADC/DAC Sophisticated Audio DSP
Datasheet	AK7712 Datasheet
Additional preview pages of the AK7712 datasheet.

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Full PDF Text Transcription

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ASAHI KASEI [AK7712A-VT] AK7712A-VT Built-in 20-bit ADC/DAC Sophisticated Audio DSP General Description The AK7712A is a DSP(Digital Signal Processor) with built-in high performance 20bit 2ch ADC and 4ch DAC, on purposeto control the sound field. It is possible to calculate 383 steps on 44.1kHz and 48kHz sampling respectively. In case of 32kHz sampling, it can caluculate up to 511 steps. With a combination of this LSI and external memory for delay data,it can berealized easily to control the sound field such as Echo, Surround Presence Controller, and Key-control which are needed forsomething like Karaoke. Parametric Equalizing can be done without external memory.

Published: Mar 23, 2005 |