MSM7580中文资料PDF规格书
MSM7580规格书详情
GENERAL 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 device 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.
FEATURES
• Conforms to ITU-T G.721
• Built-in Full-duplex Transcoder with Two Data channels
• PCM companding Law: A-law/µ-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 fi 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)
产品属性
- 型号:
MSM7580
- 制造商:
ROHM Semiconductor
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
OKI |
22+ |
SOP28 |
9852 |
只做原装正品现货,或订货假一赔十! |
询价 | ||
OKI/Oki Electric Cable Co.,Ltd |
21+ |
SMD |
943 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
OKI |
23+ |
N/A |
9526 |
询价 | |||
OKI |
2023+ |
SOP |
80000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 | ||
OKI |
20+ |
SOP28 |
9850 |
只做原装正品假一赔十为客户做到零风险!! |
询价 | ||
OKI |
22+23+ |
SOP |
36628 |
绝对原装正品全新进口深圳现货 |
询价 | ||
OKI |
2022 |
SMD |
80000 |
原装现货,OEM渠道,欢迎咨询 |
询价 | ||
OKI |
23+ |
SOP28 |
30000 |
原装现货,假一赔十. |
询价 | ||
OKI |
SOP28 |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
OKI |
02+ |
SMD |
943 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 |