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IL6840A

IK Semiconductor
Part Number IL6840A
Manufacturer IK Semiconductor
Description Telephone Tone Ringer
Published Feb 27, 2016
Detailed Description TECHNICAL DATA Telephone Tone Ringer with Bridge Diode IL6840A The IL6840A is a monolithic integrated circuit telepho...
Datasheet PDF File IL6840A PDF File

IL6840A
IL6840A

Overview
TECHNICAL DATA Telephone Tone Ringer with Bridge Diode IL6840A The IL6840A is a monolithic integrated circuit telephone tone ringer with bridge diode, when coupled with an appropriate transducer, it replaces the electro-mechanical bell.
The device is designed for use with either a piezo transducer or an inexpensive transformer coupled speaker to produce a pleasing tone composed of a high frequency (fR) alternating with a low frequency (fL) resulting in a warble frequency.
The supply voltage is obtained from the AC ring signal and the circuit is designed so that noise on the line or variation of the ringing signal can not affect correct operation of the device.
• On chip high voltage full ...


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