Texas Instruments TCM1531
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.| Part No. | TCM1531 |
|---|---|
| Datasheet | TCM1531 Download |
| Manufacturer |  Texas Instruments |
| Description | Telephone Tone Ringer Drivers |
| Buy | Stock & Price |
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● 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 Internal zener bypass for B-suffix versions.
● 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 Internal zener bypass for B-suffix versions.
