MSM7581 Selling Leads, Price trend, MSM7581 DataSheet download, circuit diagram from SeekIC.com

Features: • Conforms to ITU-T G.721• Built-in Full-duplex Transcoder with Four Data Channels• PCM companding Law: A-law/m-law selectable• Serial PCM Data Transmission Speed: 64 kbps to 2048 kbps• Serial ADPCM Data Transmission Speed: 32 kbps to 2048 kbps• Hardwa...

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SeekIC No. : 004429110 Detail

MSM7581: Features: • Conforms to ITU-T G.721• Built-in Full-duplex Transcoder with Four Data Channels• PCM companding Law: A-law/m-law selectable• Serial PCM Data Transmission Speed: ...

MSM7581 Data Sheet

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Part Number:: MSM7581
Supply Ability:: 5000

Price Break

Qty
1~5000

Unit Price
Negotiable

Processing time
15 Days

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Upload time: 2024/11/26

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MSM7502 evaluate
Features: • Single +5 V Power Supply• Low Power Dissipation Power ON Mode : 30 mW Typ....
MSM7503 evaluate
Features: • Single +5 V Power Supply• Low Power Dissipation Power ON Mode : 50 mW Typ....
MSM7507-01 evaluate
Features: •Single power supply: +5 V ±5%•Low power consumption Operating mode: 20 mW ...

Product Details

Description

Features:

• Conforms to ITU-T G.721
• Built-in Full-duplex Transcoder with Four Data Channels
• PCM companding Law: A-law/m-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)

Pinout

Connection Diagram

Specifications

Symbol	Parameter	Rating	Unit
V_DD	Power Supply Voltage	0to +7.0	V
V_DIN	Digital Input Voltage	0.3 to V_DD + 0.3	V
T_STG	Storage Temperature	55 to +150	°C

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 MSM7581 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.

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MSM7581

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