Datasheet > ML22Q666

ML22Q666

更新时间： 2024-11-19 11:08:23

品牌	Logo	应用领域
罗姆 - ROHM		语音合成放大器 PC 驱动控制器微控制器存储转换器
页数	文件大小	规格书
125页	3598K
描述
ML226xx系列是内置有4Mbit～32Mbit Flash存储器的语音合成LSI。由于内置了大容量存储器，因此非常适用于语音操作指导等需要长时间播放语音的应用。此外，该系列产品还支持通过微控制器改写Flash存储器。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。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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ML22Q666 数据手册

FEDL22Q66X-06

Issue date: Jun 29, 2022

ML22Q663 / ML22Q664 / ML22Q665 / ML22Q666

4- Channel Mixing Speech Synthesis LSI with Built-in Flash Memory

■ Overview

ML22Q663/ML22Q664/ML22Q665/ML22Q666 is a 4-channel mixing speech synthesis LSI with a flash memory for sound

data. It is equipped with a I2C interface (slave).

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

ML22Q663

ML22Q664

ML22Q665

ML22Q666

4Mbits

8Mbits

161

325

652

162

326

654

16Mbits

32Mbits

163

327

1308

Analog Signal

FLASH

MEMORY

16bit

DAC

Speaker

AMP

Filter

MIX

Decode

Volume

HOST

MCU

I²C

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.

12 3 4 5 6 7...125

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