參數(shù)資料
型號(hào)： MSM7575
廠商： OKI SEMICONDUCTOR CO., LTD.
元件分類(lèi)： Codec
英文描述： Multi-Function ADPCM CODEC(多功能ADPCM(自適應(yīng)差分脈沖編碼調(diào)制）編碼譯碼器)
中文描述： 多功能差分PcM編解碼器（多功能差分PcM（自適應(yīng)差分脈沖編碼調(diào)制）編碼譯碼器）
文件頁(yè)數(shù)： 1/25頁(yè)
文件大小： 187K
代理商： MSM7575
1/25
Semiconductor
MSM7575
Multi-Function PCM CODEC
GENERAL DESCRIPTION
The MSM7575, developed for advanced digital cordless telephone systems, is a single channel
full duplex CODEC which performs mutual transcoding between the analog voice band signal
and the 64 kbps PCM serial data.
This device performs DTMF tone and several kinds of tone generation, transmit/receive data
mute and gain control, side-tone pass and its gain control, and VOX function.
Using advanced circuit technology, this device operates from a single 3 V power supply and
provides low power consumption.
FEATURES
Single 3 V Power Supply Operation
Transmit/Receive Full-Duplex Single Channel Operation
Transmit/Receive Synchronous Mode Only
PCM Interface Data Format :
Serial PCM Transmission Data Rate :
Low Power Consumption
Operating Mode :
Power-Down Mode :
Two Analog Input Amplifier Stages:
Analog Output Stage
V
DD
: 2.7 V to 3.6 V
A-law/
μ
-law/linear (2's complement) Selectable
64 kbps to 2048 kbps
24 mW Typ. (V
DD
= 3.0 V)
0.1 mW Typ. (V
DD
= 3.0 V)
Externally Gain Adjustable
Push-pull Drive (direct drive of 350
W
+ 120 nF)
9.600/19.200 MHz Selectable
Master Clock Frequency :
Transmit/Receive Mute, Transmit/Receive Programmable Gain Control
Side Tone Path with Programmable Attenuation
Built-in DTMF Tone Generator
Built-in Various Ringing Tones Generator
Built-in Various Ring Back Tone Generator
Control by Serial MCU Interface
Built-in VOX Control
Transmit side
:
Receive side
:
Built-in Op-amps and Analog Switches for Various Analog Interfaces.
Package:
64-pin plastic QFP
(QFP64-P-1414-0.80-BK)(Product name : 7575GS-BK)
(8-step Level Adjustment)
Voice/Silence Signal Detect
Background Noise Generation
E2U0025-16-X2
This version: Jan. 1998
Previous version: Nov. 1996
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MSM7576 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:LSI
MSM7577 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:Voice Signal Level Control LSI
MSM7578 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:Single Rail CODEC
MSM7578H 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:Single Rail CODEC
MSM7578HG3-K 制造商:ROHM Semiconductor 功能描述:
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