* 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
TCM1520A Datasheet (110.84 KB)
TCM1520A
110.84 KB
Ring detector.
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TCM1520A
RING DETECTOR
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SCTS005B
* OCTOBER 1984
* REVISED DECEMBER 1990
* On-Chip 150-V Bridge Diode Configuration
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