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TCM1501B - Telephone Tone Ringer Drivers

General Description

The TCM1501B, TCM1506B, TCM1512B, TCM1531, TCM1532, TCM1536, and TCM1539 are monolithic integrated circuit telephone tone-ringer drivers that, when coupled with an appropriate transducer, replace the electromechanical bell.

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Other Datasheets by Texas Instruments

Part Number Description
TCM1506B Telephone Tone Ringer Drivers
TCM1512B Telephone Tone Ringer Drivers
TCM1520A Ring Detector
TCM1531 Telephone Tone Ringer Drivers
TCM1532 Telephone Tone Ringer Drivers
TCM1536 Telephone Tone Ringer Drivers
TCM1539 Telephone Tone Ringer Drivers
TCM1030 DUAL TRANSIENT-VOLTAGE SUPPRESSORS
TCM1050 DUAL TRANSIENT-VOLTAGE SUPPRESSORS
TCM1060 DUAL TRANSIENT-VOLTAGE SUPPRESSORS

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ą • Electronic Replacement for Electromechanical Telephone Bell When Used With Transducer • Designed to Meet or Exceed FCC Part 68 Class B Ringer Requirements • Low-Cost External Component Requirements • Low External Component Count • High Standby Input Impedance 1 MΩ Typ • Low Ringer Equivalency Number < 1 Typ • Single-Ended High-Voltage Output Compatible With Piezo Transducer or Transformer-Coupled Speaker • Reliable BIDFET‡ Process Technology Provides Efficient High-Voltage Operation • On-Chip High-Voltage Full-Wave Diode Bridge Rectifier and Output Voltage Regulator • On-Chip Circuitry Provides Ring Rejection of Rotary Dial Transients, Lightning, and Induced High-Voltage Transients • On-Chip Thyristor Coupled With Additional External Components Provides Enhanced Rejection of Dial Pulse