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LS1240A

STMicroelectronics

ELECTRONIC TWO - TONE RINGER


Description
® LS1240A ELECTRONIC TWO - TONE RINGER . . . . . LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIER BRIDGE WITH ZENER DIODES TO PROTECT AGAINST OVERVOLTAGES LITTLE EXTERNAL CIRCUITRY TONE AND SWITCHING FREQUENCIES ADJUSTABLE BY EXTERNAL COMPONENTS INTEGRATED VOLTAGE AND CURRENT HYSTERESIS Minidip DESCRIPT...



STMicroelectronics

LS1240A

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