Supervisory Circuits Phone Line Monitor
Features
CPC5712 Outputs:
Two Independent Programmable Level Detectors with Programmable Hysteresis
Fixed-Level Polarity Detector with Hysteresis
Differential Linear Output
Minimum External Components
Excellent Common-Mode Rejection Ratio (CMRR) > 55dB
Application circuits meet isolation requirements of worldwide telephony standards
Worldwide telephone network compatibility
Single Supply Operation, 3.0V to 5.5V
High differential input impedance
Very low common-mode input impedance
Fixed Gain
TTL Compatible CMOS Logic Level outputs
Applications
VoIP Gateways, IP-PBX, xDSL
TIP/RING Monitoring
Line-In-Use Detection
Polarity Detection for Caller ID, Enhanced 911
Battery Detection, PSTN Check
Non-telephony voltage level detection applications
Instrumentation
Industrial Controls
نقد و بررسیها
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