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CPC5710N_1

更新时间: 2024-11-05 06:48:27
品牌 Logo 应用领域
CLARE 监视器电话
页数 文件大小 规格书
10页 349K
描述
Phone Line Monitor (PLM) IC

CPC5710N_1 数据手册

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CPC5710N  
Phone Line Monitor (PLM) IC  
Features  
Description  
Excellent common-mode rejection ratio (CMRR)  
Application circuits can meet isolation requirements  
of worldwide telephony standards  
Small 8-pin SOIC  
Worldwide telephone network compatibility  
Full-wave ringing level detector comparator with  
internal threshold, large hysteresis, and logic-level  
output  
The Clare CPC5710N is a selectable dual function  
CMOS special purpose integrated high-impedance  
input, fixed-gain amplifier and an internally set voltage  
level comparator for telephone line monitoring. The  
high (>40dB) common-mode rejection ratio makes the  
CPC5710N an excellent choice for signaling detection,  
line condition monitoring, discrete voice recording and  
CID buffering applications. In addition to voice  
applications, the CPC5710N is ideal for data  
3.3V or 5V operation  
High differential input impedance  
Very low common-mode input impedance  
Fixed gain  
applications such as embedded modem designs  
utilized in broadband set-top boxes.  
Differential or single-ended linear output  
TTL logic level input  
CMOS logic level output (TTL compatible)  
Virtually non-detectable in voice monitoring  
applications  
Ordering Information  
Part Number Description  
CPC5710N  
PLM IC, Tubed, 100/Tube  
CPC5710NTR  
PLM IC, Tape &Reel, 2000/Reel  
Applications  
The CPC5710N can be used for line monitoring or  
detection of signaling states and loop conditions  
such as:  
• Display feature (caller ID) signal buffering  
• Line-In-Use (LIU) detection  
• Ringing signal with adjustable detection level  
• Battery presence monitoring  
• Tip to ring line voltage monitoring  
• Line polarity  
• Imperceptible voice recording  
Figure 1. CPC5710N Block Diagram  
V
DD  
V
50k  
DD  
3
1
2
LIN/CMP  
V
+
-
DD  
CMPOUT  
V
DD  
1.625 V  
-
+
6
7
0 V  
5
4
+
AV=6  
-
IN+  
IN-  
LINOUT+  
LINOUT-  
+
2 V  
-
Switch shown  
in Detector Mode  
V
SS  
8
RoHS  
2002/95/EC  
+
-
GND  
Pb  
e3  
1.25 V  
GND  
DS-CPC5710-R02  
www.clare.com  
1

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