ML2302

更新时间： 2024-01-16 04:15:32

品牌	Logo	应用领域
冲电气 - OKI		音频合成器集成电路消费电路商用集成电路先进先出芯片 PC
页数	文件大小	规格书
24页	199K
描述
Recording and Playback LSI with Built-in 2-Bit ADPCM2 Supported FIFO

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技术参数
数据手册

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ML2302 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	TFQFP,	针数：	64
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.2	商用集成电路类型：	SPEECH SYNTHESIZER WITH RCDG
JESD-30 代码：	S-PQFP-G64	长度：	10 mm
功能数量：	1	端子数量：	64
片上内存类型：	FIFO	最高工作温度：	70 °C
最低工作温度：	-10 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TFQFP	封装形状：	SQUARE
封装形式：	FLATPACK, THIN PROFILE, FINE PITCH	认证状态：	Not Qualified
座面最大高度：	1.2 mm	最大供电电压 (Vsup)：	3.6 V
最小供电电压 (Vsup)：	2.7 V	表面贴装：	YES
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
宽度：	10 mm	Base Number Matches：	1

ML2302 数据手册

FEDL2302DIGEST-05

Issue Date: Dec. 27, 2004

OKI Semiconductor

ML2302

Recording and Playback LSI with Built-in 2-Bit ADPCM2 Supported FIFO

GENERAL DESCRIPTION

The ML2302 is a recording and playback LSI with built-in FIFO memories for buffering. It employs the new 2-bit

ADPCM2 algorithm in addition to conventional 4-bit OKIADPCM and 4-bit OKIADPCM2 algorithms.

The ML2302 operates at 2.7 to 3.6 V and supports a variety of applications.

FEATURES

•

Built-in two 1024-bit FIFOs

(buffering time of 32 ms when using 8 kHz sampling frequency and 4-bit ADPCM)

Supports five compression algorithms for recording and playback:

2-bit OKIADPCM2; 4/5/6/7-bit OKIADPCM2; 4-bit OKIADPCM; 8/16-bit straight PCM; 8-bit OKI

Nonlinear PCM

•

Source oscillation frequency 16.384 MHz

Sampling frequency (fsam)

4.0 to 12.8 kHz (OKIADPCM2)

4.0 to 25.6 kHz (8-bit straight PCM)

•

Supports 8-bit bus interface.

Built-in voice level detection function (VAC)

Built-in noise injection function

Supports external DAC interface.

Built-in volume control circuit

(0 dB to –44 dB: –2 dB step, –44 dB to –80 dB: –4 dB step)

Built-in 14-bit A/D converter and 14-bit D/A converter

Built-in low pass filter (LPF)

•

(recording side: analog filter, playback side: digital filter)

•

Built-in speaker amplifier (100 mW, 8Ω)

Power supply voltage : +2.7 to +3.6 V

Package

: 64-pin plastic TQFP (TQFP64-P-1010-0.50-K) (ML2302TB)

: 71-pin W – CSP

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