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CPC1465 参数 Datasheet PDF下载

CPC1465图片预览
型号: CPC1465
PDF下载: 下载PDF文件 查看货源
内容描述: SHDSL / ISDN终端DC IC [SHDSL/ISDN DC Termination IC]
分类和应用: 综合业务数字网
文件页数/大小: 15 页 / 476 K
品牌: CLARE [ CLARE ]
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CPC1465  
1.5 Application Signalling Characteristics  
These tests assume crowbar protection across the  
CPC1465 limiting peak potentials to 250 V.  
1.5.1 LED Trigger Characteristics During MLT Signalling  
For test conditions: (see Figure 9 on page 9).  
Parameter  
Applied ac Voltage  
Conditions  
Symbol Minimum  
Typical Maximum  
Unit  
V
-
-
-
-
-
-
-
-
60  
2
-
-
-
-
62  
3
PEAK  
Hz  
-
Applied ac frequency  
Number of half-cycles applied  
Total loop resistance  
6
10  
900  
4500  
Ω
Required opto-coupler response  
Number of pulses per half-cycle applied  
Pulse width (opto on)  
-
-
-
1
-
-
-
-
-
T
(see Figure 9 on page 9)  
(see Figure 9 on page 9)  
10  
10  
ms  
ms  
ON  
T
Pulse width (opto off)  
-
OFF  
1.5.2 LED Trigger Characteristics During Dial Test Set Signalling  
For test conditions: (see Figure 9 on page 9).  
Parameter  
Conditions  
Symbol Minimum  
Typical Maximum  
Unit  
V
Applied dc battery Voltage  
Frequency (pulses per second)  
Percent break  
-
-
-
-
-
-
-
-
-
-
-43.5  
4
-
-
-
-
-
-56  
8
DC  
-
40  
60  
%
-
Number of pulses  
6
10  
Total Loop Resistance  
Required opto-coupler response  
200  
4000  
Ω
Number of pulses per make/break  
applied  
-
-
-
1
-
-
T
Pulse width (opto on)  
Pulse width (opto off)  
(see Figure 9 on page 9)  
(see Figure 9 on page 9)  
10  
10  
-
-
-
-
ms  
ms  
ON  
T
OFF  
8
www.clare.com  
R02  
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