ML22Q533 datasheet(1/178 Pages) ROHM

No. de pieza	ML22Q533

Descripción Electrónicos	4-Channel Mixin g Speec h Synthesis LSIs with Built-in Flash M emor y fo r Automotive

PDF	178 Pages

Scroll/Zoom	100%

Fabricante Electrónico	ROHM [Rohm]

Página de inicio	http://www.rohm.com

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FEDL22Q53X-02

Issue date: Jun 23, 2020

ML22Q532 / ML22Q533 / ML22Q535

4-Channel Mixing Speech Synthesis LSIs with Built-in Flash Memory for Automotive

■ Overview

ML22Q532/ML22Q533/ML22Q535 is a 4-channel mixing speech synthesis LSI with a serial audio interface and a built-in

flash-memory for sound data.

It adopts a HQ-ADPCM

*1, 16-bit D/A converter, and low-pass filter for high sound quality, and incorporates a 1.0W mono

speaker amplifier for driving speakers directly. It is also equipped with a function to detect failure.

The functions necessary for sound output are integrated into a single chip, so that sound functions can be realized simply by

adding this LSI.

● Memory capacity and maximum sound production time (HQ-ADPCM*1 algorithm, registered phrase 1024)

Product Name

Flash memory capacity

Maximum sound production time (sec)

fs=8.0kHz

fs =16.0kHz

fs =32.0kHz

ML22Q532

2Mbits

80

40

20

ML22Q533

4Mbits

161

81

40

ML22Q535

16Mbits

652

326

163

Application Circuit

HOST

MCU

16bit

DAC

Filter

Volume

MIX

I

2C

SPI

Sound

Check

Line

AMP

SAI

Analog Signal

MIX

Decode

FLASH

MEMORY

Speaker

AMP

Speaker

AMP

*1

HQ-ADPCM is "Ky's" high-quality audio compression technique.

"Ky's" is a registered trademark of Kyushu Institute of Technology, a

national university corporation.

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ML22Q533 Datasheet(PDF) 1 Page - Rohm

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