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CPC75282

更新时间: 2024-11-06 06:48:27
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CLARE /
页数 文件大小 规格书
19页 667K
描述
Line Card Access Switch

CPC75282 数据手册

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CPC75282  
Line Card Access Switch  
Features  
Description  
Improved Switch dV/dt Immunity of 1500V/μs  
Smart logic for power-up/hot-plug state control  
Small 44-pin TQFP Package  
Monolithic IC reliability  
The CPC75282 Dual Line Card Access Switch  
(LCAS), a member of Clare’s next generation Line  
Card Access Switch family, is a monolithic solid state  
device that provides the switching functionality of four  
2-Form-C relays in a single, small, economical  
package.  
Low, matched R  
ON  
Eliminates the need for zero-cross switching  
Flexible switch timing to transition from ringing mode  
to talk mode.  
The CPC75282 Dual LCAS device is designed to  
provide ringing and test access to the telephone loop  
in Central Office, Digitally Added Main Line, Private  
Branch Exchange, Digital Loop Carrier, and Hybrid  
Fiber Coax/Fiber-In-The-Loop analog line card  
applications. Test access switches provide access to  
the telephone loop for line (drop) test or message  
waiting in the PBX application.  
Clean, bounce-free switching  
Tertiary protection consisting of integrated current  
limiting, voltage clamping, and thermal shutdown for  
SLIC protection  
5V operation with very low power consumption  
Intelligent battery monitor  
Latched logic-level inputs, no external drive circuitry  
required  
Ordering Information  
Applications  
VoIP Gateways  
Part #  
Description  
Central Office (CO)  
Digital Loop Carrier (DLC)  
PBX Systems  
CPC75282KATR 44-Pin TQFP, Tape & Reel (1000/Reel)  
Digitally Added Main Line (DAML)  
Hybrid Fiber Coax (HFC)  
Fiber In The Loop (FITL)  
Pair Gain System  
Channel Banks  
Figure 1. CPC75282 Block Diagram  
VDD  
9,25  
TTEST1 37  
1/2 - CPC75282  
38  
(Channel 1)  
TRINGING1  
SW5  
SW3  
X
X
X
X
TBAT1  
36  
21  
TLINE1  
X
SW1  
Battery  
Monitor  
SW2  
22  
14  
RLINE1 34  
RBAT1  
X
SW6  
SW4  
P1  
RRINGING1 30  
L
A
T
C
H
CH1  
CH2  
15 P2  
16  
17 LATCH1  
18  
P3  
33  
RTEST1  
Switch  
Control  
Logic  
LATCH2  
28 TSD1  
6
TSD2  
OFF1  
OFF2  
19  
20  
RoHS  
2002/95/EC  
27  
FGND1  
24  
11,23  
DGND  
8,26  
VBAT  
Pb  
e3  
CFG  
DS-CPC75282 - R00D  
www.clare.com  
1

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