Datasheet > ML22Q533

ML22Q533

更新时间： 2023-09-03 20:25:23

品牌	Logo	应用领域
罗姆 - ROHM		语音合成放大器 PC 驱动存储转换器
页数	文件大小	规格书
176页	4243K
描述
ML2253x系列是内置串行音频接口的车载级4通道混合语音合成LSI，可提供Flash存储器内置型和外置型两种类型的产品。产品采用实现高音质的HQ-ADPCM、16位D/A转换器和低通滤波器，并内置用来直接驱动扬声器的1.0W单声道扬声器放大器。另外，还配备了车载应用所需的故障检测功能，可以检测LSI内部的异常以及LSI与扬声器之间连接线的异常。语音输出所需的功能已经全部集成于1枚芯片中，因此仅需增加本LSI，即可轻松实现语音功能。

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数据手册

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ML22Q533 数据手册

FEDL22Q53X-06

Issue date: Jun 29, 2022

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^*1algorithm, registered phrase 1024)

Product Name

Flash memory capacity

Maximum sound production time (sec)

f_s=8.0kHz

f_s=16.0kHz

f_s=32.0kHz

ML22Q532

ML22Q533

ML22Q535

2Mbits

4Mbits

16Mbits

161

652

326

163

Analog Signal

FLASH

MEMORY

16bit

DAC

Speaker

Filter

MIX

Decode

SAI

MIX

AMP

Volume

Line

Speaker

AMP

HOST

MCU

AMP

I²C

Sound

Check

SPI

Application Circuit

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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与ML22Q533相关器件

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ML22Q533-NNNTB(Taping)	ROHM	获取价格	The ML2253x series is 4 channels mixing speech synthesis LSIs for automotive-grade with bu
ML22Q533-NNNTB(Tray)	ROHM	获取价格	The ML2253x series is 4 channels mixing speech synthesis LSIs for automotive-grade with bu
ML22Q54	OKI	获取价格	2-Channel Mixing Oki ADPCM Algorithm-Based Speech Synthesis LSI
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ML22Q54GA-MC	OKI	获取价格	Speech Synthesizer, 261.1s, PQFP44, 9 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
ML22Q553	ROHM	获取价格	存储器内置型
ML22Q553-NNNMB	ETC	获取价格	4-Channel Mixing Speech Synthesis LSI
ML22Q553-NNNMB(Tray)	ROHM	获取价格	null
ML22Q563	ROHM	获取价格	AB类功放内置型
ML22Q563-NNNMB	ETC	获取价格	4-Channel Mixing Speech Synthesis LSI