DS2168中文资料PDF规格书
DS2168规格书详情
DESCRIPTION
The DS2167 and DS2168 are dedicated digital signal processor (DSP) CMOS chips optimized for Adaptive Differential Pulse Code Modulation (ADPCM) based compression algorithms. The devices halve the transmission bandwidth of “toll quality” voice from 64K to 32K bits/second and are utilized in PCM-based telephony networks.
FEATURES
• Speech compression chip compatible with standard ADPCM algorithms:
– DS2167 supports “new” T1Y1 recommendations (July 1986) and “new” CCITT G.721 recommendations
– DS2168 supports “old” CCITT G.721 recommendations
• Dual independent channel architecture – device may be programmed to perform full duplex, 2-channel expansions, or 2-channel compressions
• Interconnects directly with µ-law or A-law codec/filter devices
• Serial PCM and control port interfaces minimize “glue logic” in multiple channel applications
– On-chip channel counters identify input and output timeslots in TDM-based systems
– Unique addressing scheme simplifies device control; 3-wire port shared among 64 devices
– Bypass and idle features allow dynamic allocation of channel bandwidth, minimize system power requirements
• Hardware mode intended for stand-alone use
– No host processor required
– Ideal for voice mail applications
• 28-pin surface-mount package available, designated DS2167Q/DS2168Q
产品属性
- 型号:
DS2168
- 制造商:
DALLAS
- 制造商全称:
Dallas Semiconductor
- 功能描述:
ADPCM Processor
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
DALLAS |
23+ |
TQFP32 |
18000 |
询价 | |||
DALLAS |
2023+ |
DIP-24 |
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 | ||
DALLSA |
23+ |
DIP24P |
7 |
询价 | |||
DALLAS |
2020+ |
QFP |
210000 |
100%进口原装正品公司现货库存 |
询价 | ||
DALLAS |
00/01+ |
SOP16 |
33 |
全新原装100真实现货供应 |
询价 | ||
DALLAS |
2138+ |
TQFP |
8960 |
专营BGA,QFP原装现货,假一赔十 |
询价 | ||
DALLAS |
23+ |
NA |
276 |
专做原装正品,假一罚百! |
询价 | ||
DALLAS |
23+ |
65480 |
询价 | ||||
DALLAS |
22+ |
SOP-16 |
5000 |
只做原装,假一赔十 15118075546 |
询价 | ||
DS |
23+ |
QFP |
4 |
现货库存 |
询价 |