• Part: L3240
  • Description: ELETRONIC TWO-TONE RINGER
  • Manufacturer: STMicroelectronics
  • Size: 123.77 KB
Download L3240 Datasheet PDF
L3240 page 2
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L3240 page 3
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Datasheet Summary

ELETRONIC 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 PONENTS INTEGRATED VOLTAGE AND CURRENT HYSTERESIS PLEMENTARY OUTPUT CONFIGURATION Minidip SO8 ORDERING NUMBERS : L3240B1 (Minidip) L3240D1 (SO8) DESCRIPTION L3240 is a monolithic integrated circuit designed to replace the mechanical bell in telephone sets, in connectionwith an electro acoustical converter. The device can drive either directly a piezo ceramic converter (buzzer) or a small loudspeaker. In...