Texas Instruments TCM1539
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. (Hz) 7.8 9.8 7.8 31.2 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.
Texas Instruments
