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IL6840

Features: • On chip high voltage full wave diode bridge rectifier• Low current consumption, in order to allow the parallel operation of the 4 devices• Low external component count• Tone and switching frequencies adjustable by external components• High noise immunity d...

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SeekIC No. : 004374062 Detail

IL6840: Features: • On chip high voltage full wave diode bridge rectifier• Low current consumption, in order to allow the parallel operation of the 4 devices• Low external component count&...

IL6840 Data Sheet

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Part Number:
IL6840
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• On chip high voltage full wave diode bridge rectifier
• Low current consumption, in order to allow the parallel operation of the 4 devices
• Low external component count
• Tone and switching frequencies adjustable by external components
• High noise immunity due to built-in voltage-current hysteresis
• Activation voltage adjustable
• Internal zener diodes to protect against over voltages
• Ringer impedance adjustable with external components


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
VTP Calling Voltage (f = 50 Hz) Continuous 120 Vrms
VTP Calling Voltage (f = 50 Hz) 5 Sec ON/10 Sec OFF 200 Vrms
ICC Supply Current 22 mA
Tstg Storage and Junction Temperature -60 to +125 °C

* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions.


Description

The IL6840 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 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 of the IL6840 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.




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