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TCM1520A Ring Detector

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Description

ą TCM1520A RING DETECTOR ą SCTS005B * OCTOBER 1984 * REVISED DECEMBER 1990 * On-Chip 150-V Bridge Diode Configuration The TCM1520A is a monolithic ring-detection integrated circuit designed for use in isolated or nonisolated telephone applications.

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Features

* efficient high-voltage (40 V to 150 V) operation with a typical current drain of 1 mA. Phone Line AC Ring Signal TCM1520A Electronic Telephone or Accessory TTL /NMOS/CMOS Microprocessor During standby, the input impedance is approximately 1 MΩ or greater, which prevents any interference with paral

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Ring Detector Texas Instruments
Texas Instruments TCM1520A-like datasheet