L3240 Datasheet - STMicroelectronics

ELETRONIC TWO-TONE RINGER

L3240 General 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 this case a transformer is needed. The two tone fr.

L3240 Datasheet (123.77 KB)

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L3240

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STMicroelectronics ↗

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123.77 KB

Description:

Eletronic two-tone ringer.
L3240 ELETRONIC TWO-TONE RINGER . . . . . . LOW CURRENT CONSUMPTION, IN ORDER TO ALLOW THE PARALLEL OPERATION OF 4 DEVICES INTEGRATED RECTIFIER BRID.

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L3240 ELETRONIC TWO-TONE RINGER STMicroelectronics

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L3240 General Description

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