MT9122中文资料PDF规格书
MT9122规格书详情
Description
The MT9122 Voice Echo Canceller implements a cost effective solution for telephony voice-band echo
cancellation conforming to ITU-T G.165 requirements. The MT9122 architecture contains two echo cancellers which can be configured to provide dual channel 64 millisecond echo cancellation or single channel 128 millisecond echo cancellation. The MT9122 supportsITU-T G.165 or G.164 tone disable requirements.
Features
• Dual channel 64ms or single channel 128ms echo cancellation
• Conforms to ITU-T G.165 requirements
• ITU-T G.165/G.164 disable tone detection supported on all audio paths
• Narrow-band signal detection
• Programmable double-talk detection threshold
• Non-linear processor with adaptive suppression threshold and comfort noise insertion
• Offset nulling of all PCM channels
• Controllerless mode or Controller mode with serial interface
• ST-BUS or variable-rate SSI PCM interfaces
• Selectableµ/A-Law ITU-T G.711; µ/A-Law Sign Mag; linear 2’s complement
• Per channel selectable 12 dB attenuator
• Transparent data transfer and mute option
• 19.2 MHz master clock operation
Applications
• Wireless Telephony
• Trunk echo cancellers
产品属性
- 产品编号:
MT9122APR1
- 制造商:
Microchip Technology
- 类别:
集成电路(IC) > 电信
- 包装:
托盘
- 功能:
回声消除
- 接口:
串行
- 电压 - 供电:
4.5V ~ 5.5V
- 电流 - 供电:
70mA
- 工作温度:
-40°C ~ 85°C
- 安装类型:
表面贴装型
- 封装/外壳:
28-LCC(J 形引线)
- 供应商器件封装:
28-PLCC
- 描述:
IC TELECOM INTERFACE 28PLCC
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MITEL |
21+ |
PLCC |
5000 |
全新原装现货 价格优势 |
询价 | ||
ZARLINK |
23+ |
NA/ |
20 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
MICROCHIP(美国微芯) |
23+ |
PLCC28 |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
询价 | ||
MITEL |
2016+ |
PLCC28 |
8880 |
只做原装,假一罚十,公司可开17%增值税发票! |
询价 | ||
MT |
2020+ |
PLCC |
16800 |
绝对原装进口现货,假一赔十,价格优势!? |
询价 | ||
MITEL |
2020+ |
28PLCC |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
MICROCHIP(美国微芯) |
23+ |
PLCC28 |
6000 |
询价 | |||
ZARLINK |
98900 |
原厂集团化配单-有更多数量-免费送样-原包装正品现货- |
询价 | ||||
MITEL |
PLCC |
68900 |
原包原标签100%进口原装常备现货! |
询价 | |||
ZARLINK |
22+ |
PLCC28 |
3000 |
原装正品,支持实单 |
询价 |