The IL 2418 is a monolithic integrated circuit designed as a telephone tone ringer with an integrated bridge diode. It is intended to replace electromechanical bells in telephone systems by generating audible tones through an appropriate transducer.

Key Features:

• Integrated High-Voltage Full-Wave Diode Bridge Rectifier: Simplifies design by providing on-chip rectification.
• Low Current Consumption: Allows for the parallel operation of multiple devices.
• Minimal External Components Required: Reduces overall system complexity and cost.
• Adjustable Tone and Switching Frequencies: Customizable via external components to suit specific application needs.
• High Noise Immunity: Built-in voltage-current hysteresis enhances performance in noisy environments.
• Adjustable Activation Voltage: Provides flexibility in triggering the ringer.
• Internal Zener Diodes: Protects against overvoltages, enhancing device reliability.

Package Includes:

• 1 x IL 2418 Telephone Tone Ringer IC

Specifications:

• Calling Voltage (Continuous): Up to 120 Vrms
• Supply Current: Maximum of 22 mA
• Operating Temperature Range: -40C to +70C
• Package Type: DIP-8

Applications:

• Telephone Systems
• Electronic Tone Ringers
• Communication Devices
• Audible Signaling Systems

Datasheet:

Click here to view the datasheet