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MSM7580

Features: • Conforms to ITU-T G.721• Built-in Full-duplex Transcoder with Two Data channels• PCM companding Law: A-law/m-law selectable• Synchronized Operation between coder and decoder, and between two channels.• Serial PCM Data Transmission Speed: 64 kbps to 2048 kb...

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SeekIC No. : 004429109 Detail

MSM7580: Features: • Conforms to ITU-T G.721• Built-in Full-duplex Transcoder with Two Data channels• PCM companding Law: A-law/m-law selectable• Synchronized Operation between coder ...

MSM7580 Data Sheet

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Part Number:
MSM7580
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Conforms to ITU-T G.721
• Built-in Full-duplex Transcoder with Two Data channels
• PCM companding Law: A-law/m-law selectable
• Synchronized Operation between coder and decoder, and between two channels.
• 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 :+5 V ±10%, 2.5 mA/channel
• Package :28-pin plastic SOP (SOP28-P-430-1.27-K) (Product name : MSM7580GS-K)


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Rating
Unit
VDD
 Power Supply Voltage
0to +7.0
V
VDIN
 Digital Input Voltage
0.3 to VDD + 0.3
V
TSTG
 Storage Temperature
55 to +150
°C



Description

The MSM7580 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 MSM7580 consists of two systems with full-duplex voice data channels and a data-through mode.

The MSM7580 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.




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