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MSM7581 Datasheet (PDF) - OKI electronic componets

MSM7581 Datasheet PDF - OKI electronic componets
Part # MSM7581
Download  MSM7581 Download

File Size   165.73 Kbytes
Page   18 Pages
Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets
Description ITU-T G.721 4ch ADPCM TRANSCODER

MSM7581 Datasheet (PDF)

Go To PDF Page Download Datasheet
MSM7581 Datasheet PDF - OKI electronic componets

Part # MSM7581
Download  MSM7581 Click to download

File Size   165.73 Kbytes
Page   18 Pages
Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets
Description ITU-T G.721 4ch ADPCM TRANSCODER

MSM7581 Datasheet (HTML) - OKI electronic componets

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MSM7581 Product details

GENERAL DESCRIPTION
The MSM7581 is an ADPCM transcoder which is used by the new digital cordless system. It converts 64 kbps voice PCM serial data to 32 kbps ITU-T G.721 ADPCM serial data, and vice versa.
This device is consists of four systems with full-duplex voice data channels and a data-through mode.
The MSM7581 provides cost effective solutions for digital cordless office telephone systems which are incorporated into PABXs, and for the public base stations which are connected to the Central Office through digital PSTNs.

FEATURES
• Conforms to ITU-T G.721
• Built-in Full-duplex Transcoder with Four Data Channels
• PCM companding Law: A-law/µ-law selectable
• Serial PCM Data Transmission Speed: 64 kbps to 2048 kbps
• Serial ADPCM Data Transmission Speed: 32 kbps to 2048 kbps
• Hardware Reset – ITU-T G.721 Optional Reset – for each channel
• Power Down Control for each channel
• Decoder (ADPCM -> PCM ) Mute Mode and PAD Mode for each channel
• ADPCM Data-through Mode
• Capable of time slot conversion
• Special ADPCM Input Data Code (”0000”) Detector for each channel
• Master Clock Signal : Not necessary
• Power supply voltage/Consumption current : +2.7 V to +5.5 V, 2 mA/channel (max)
• Package :
    100-pin plastic TQFP (TQFP100-P-1414-0.50-K) (Product name : MSM7581TS-K)




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