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TCM1512B Datasheet Telephone Tone Ringer Drivers

Manufacturer: Texas Instruments

Download the TCM1512B datasheet PDF. This datasheet also includes the TCM1501B variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (TCM1501B-etcTI.pdf) that lists specifications for multiple related part numbers.

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.

These devices are desi

Overview

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 Pulses • TCM1501B, TCM1512B, and TCM1506B Are Improved Direct Replacements for TCM1501A, TCM1512A, and TCM1506A, Respectively • Requires Only a Single-Value Oscillator Resistor (Eliminates Binning Codes of the TCM15xxA Series) TCM1501B, TCM1506B, TCM1512B TCM1531, TCM1532, TCM1536, TCM1539 TELEPHONE TONEĆRINGER DRIVERS SCTS020 − MARCH 1986 − REVISED APRIL 1987 P PACKAGE (TOP VIEW) AC INPUT 1 8 AC INPUT DRIVER OUTPUT 2 7 COMMON ANTITAPPING IN 3 6 C FILTER OSCR 4 5 ANTITAPPING OUT/ INTERNAL ZENER BYPASS† † Antitapping output for TCM1531, TCM1532, TCM1536, and TCM1539.

Internal zener bypass for B-suffix versions.

Phone Line, AC Bell/Tone Ringer Transducer TYPICAL CHARACTERISTICS TELEPHONE TONE RINGER DRIVER FAMILY PART NO.