參數(shù)資料
型號(hào)： MSM7705
廠商： OKI SEMICONDUCTOR CO., LTD.
元件分類： Codec
英文描述： 4ch Single Rail CODEC
中文描述： 4路單鐵編解碼器
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 144K
代理商： MSM7705
Semiconductor
MSM7705-01/02/03
This version: Aug. 1998
Previous version: Nov. 1996
1/20
4ch Single Rail CODEC
GENERAL DESCRIPTION
The MSM7705-01/02/03 are four-channel CODEC CMOS ICs for voice signals ranging from 300
to 3400 Hz. These devices contain filters for A/D and D/A conversion.
Designed especially for a single-power supply and low-power applications, these devices
contain four-channel A/D and D/A converters in a single chip and achieve a reduced footprint
and a reduced number of external components.
The MSM7705-01/02/03 are best suited for digital telephone terminals, digital PABXs, and push-
button phones.
FEATURES
Single power supply: +5 V
Power consumption
Operating mode:
Power-saving mode:
Power-down mode:
Conforms to ITU-T Companding law
MSM7705-01:
MSM7705-02:
MSM7705-03:
Built-in PLL eliminates a master clock
The PCM interface can be switched between 4 channel serial/parallel
Transmission clock: 64/128/256/512/1024/2048 kHz
96/192/384/768/1536/1544 kHz
(During 4 channel serial mode, the 64, 96, 128, and 192 kHz clocks are
disabled)
Transmit gain adjustable for each channel
Built-in reference voltage supply
Analog output can directly drive a 600
W
line transformer
Package:
44-pin plastic QFP (QFP44-P-910-0.80-2K) (Product name : MSM7705-01GS-2K)
(Product name : MSM7705-02GS-2K)
(Product name : MSM7705-03GS-2K)
70 mW Typ.
14 mW Typ.
0.05 mW Typ.
140 mW Max.
32 mW Max.
0.3 mW Max.
m
/A-law pin-selectable
m
-law
A-law
E2U0042-28-81
相關(guān)PDF資料
PDF描述
MSM7705-01 4ch Single Rail CODEC
MSM7705-02 4ch Single Rail CODEC
MSM7705-03 4ch Single Rail CODEC
MSM7708-02 Serial Register Interface ADPCM CODEC for Telephone Recording(用于電話記錄的串行寄存器接口ADPCM編碼譯碼器)
MSM7712 Wireless LAN Baseband Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSM7705-01 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4ch Single Rail CODEC
MSM7705-01G3-2K 制造商:OKI Semiconductor 功能描述:4 Channels PCM Codec EOL211209
MSM7705-01G3-2K-7 制造商:ROHM Semiconductor 功能描述:
MSM7705-01GS-2K-7 制造商:ROHM Semiconductor 功能描述:
MSM7705-01GS-2KDR1 制造商:ROHM Semiconductor 功能描述:
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