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ML2308GP

更新时间： 2024-11-18 21:09:39
品牌 Logo 应用领域
冲电气 - OKI 商用集成电路
页数 文件大小 规格书
32页 368K
描述
Speech Synthesizer With RCDG, PQCC48, 7 X 7 MM, 0.50 MM PITCH, PLASTIC, QFN-48

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ML2308GP 技术参数

生命周期：Transferred零件包装代码：QFN
包装说明：VQCCN,针数：48
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.19商用集成电路类型：SPEECH SYNTHESIZER WITH RCDG
JESD-30 代码：S-PQCC-N48长度：7.2 mm
功能数量：1端子数量：48
片上内存类型：RAM最高工作温度：70 °C
最低工作温度：-20 °C封装主体材料：PLASTIC/EPOXY
封装代码：VQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, VERY THIN PROFILE认证状态：Not Qualified
座面最大高度：1 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：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：7.2 mmBase Number Matches：1

ML2308GP 数据手册

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PEDL2308DIGEST-01  
OKI Semiconductor  
Issue Date: Aug. 9, 2004  
Preliminary  
ML2308  
Stereo Recording/Playback LSI with Built-in Buffer Memory  
This document contains minimum specifications. For full specifications, please contact your nearest Oki office or  
representative.  
Both a serial interface and a parallel interface are available with the ML2308 through the use of a pin switch.  
Refer to pages 3 to 15 for information on the serial interface, and pages 16 to 22 for information on the parallel  
interface.  
GENERAL DESCRIPTION  
The ML2308 is a stereo recording/playback LSI that has integrated in a single chip all the functions required for  
recording and playing back audio data.  
Analog signals fed into the microphone or line inputs are converted into digital signals by the analog to digital  
converter, and output to external equipment via the buffer memory. Further, digital signals from external  
equipment are converted into PWM signals by the 1-bit digital to analog converter, and output by the PWM driver  
that can directly drive the headphones. The influence of noise is lower with the ML2308 when compared with the  
mixed analog LSI, since most of the signals are digitally processed inside the LSI.  
FEATURES  
User Interfaces  
•
•
•
Supports Serial Peripheral Interface (SPI) or 8-bit bus interface  
Buffer memory for audio data buffer: 128 bytes (64 bytes each for left and right channels)  
Buffer memory status output pins FUL, MID, EMP  
Codec section/audio input and output sections  
•
Audio synthesis method:  
µ-law G.711compliant 8-bit PCM, 8-bit/16-bit linear PCM, 8-bit Oki non-linear PCM,  
2-bit/3-bit/4-bit/5-bit/6-bit/7-bit/8-bit ADPCM2  
•
•
•
•
•
•
•
Sampling frequency: 4.0 kHz to 48 kHz (selectable with commands)  
Built-in stereo ∆-Σ type 1-bit A/D converter S/(N+D): 80 dB DR, S/N: 85 dB  
Built-in stereo ∆-Σ type 1-bit D/A converter S/(N+D): 85 dB DR, S/N: 90 dB  
Built-in PWM driver for driving a speaker (150mW max., RL = 16Ω)  
Microphone amplifier × 2, Line amplifier × 2 (Stereo)  
Dynamic Range Control (DRC) automatic recording level adjustment function  
Recording input level detect function  
Control commands  
•
•
Volume control: 32 steps, 0 dB to –60 dB, 2 dB incremental, OFF  
PAN control: 16 steps, 0 dB to –28 dB, 2 dB incremental, OFF  
•
•
•
•
Power supply voltage  
Operating temperature  
Source oscillation frequency  
Package  
: +2.7 V to +3.6 V  
: -20°C to +70°C  
: 3.0 MHz to 6.5 MHz  
: 48-pin plastic QFN (P-VQFN48-0707-0.50-1) (ML2308GP)  
1/32  
1234567...32

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