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DS2167Q PDF预览

DS2167Q

更新时间: 2024-01-10 22:14:47
品牌 Logo 应用领域
达拉斯 - DALLAS PC
页数 文件大小 规格书
15页 88K
描述
ADPCM Processor

DS2167Q 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.92
压伸定律:A/MU-LAW滤波器:NO
JESD-30 代码:S-PQCC-J28JESD-609代码:e0
功能数量:2端子数量:28
工作模式:SYNCHRONOUS最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装等效代码:LDCC28,.5SQ
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not Qualified子类别:Codecs
标称供电电压:5 V表面贴装:YES
技术:CMOS电信集成电路类型:ADPCM CODEC
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

DS2167Q 数据手册

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DS2167/DS2168  
DS2167/DS2168  
ADPCM Processor  
FEATURES  
PIN ASSIGNMENT  
Speech compression chip compatible with standard  
VDD  
YIN  
1
2
3
RST  
TM0  
TM1  
A0  
24  
ADPCM algorithms:  
23  
22  
CLKY  
FSY  
DS2167 supports “new” T1Y1 recommenda-  
tions (July 1986) and “new” CCITT G.721 rec-  
ommendations  
21  
20  
4
5
YOUT  
CS  
A1  
A2  
19  
18  
17  
16  
DS2168 supports “old” CCITT G.721 recom-  
mendations  
6
7
SDI  
A3  
SCLK  
XOUT  
FSX  
A4  
8
9
Dual independent channel architecture – device may  
be programmed to perform full duplex, 2-channel ex-  
pansions, or 2-channel compressions  
A5  
15  
SPS  
MCLK  
VSS  
10  
11  
12  
CLKX  
XIN  
14  
13  
Interconnects directly with µ-law or A-law codec/filter  
devices  
24-Pin DIP (600 MIL)  
Serial PCM and control port interfaces minimize “glue  
logic” in multiple channel applications  
On-chip channel counters identify input and out-  
put timeslots in TDM-based systems  
27 26  
1 28  
NC  
A0  
A1  
A2  
4
3 2  
5
FSY  
YOUT  
25  
6
7
8
9
24  
23  
CS  
Unique addressing scheme simplifies device  
control; 3-wire port shared among 64 devices  
22  
21  
SDI  
A3  
A4  
SCLK  
XOUT  
Bypass and idle features allow dynamic alloca-  
tion of channel bandwidth, minimize system  
power requirements  
10  
11  
20  
19  
A5  
NC  
12 1314 15 16 1718  
Hardware mode intended for stand-alone use  
No host processor required  
28-Pin PLCC  
Ideal for voice mail applications  
28-pin surface-mount package available, designated  
DS2167Q/DS2168Q  
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 trans-  
missionbandwidth of “toll quality” voice from 64K to 32K  
bits/second and are utilized in PCM-based telephony  
networks.  
022698 1/15  

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