Applications

• Remote control transmitters for televisions
• Remote control transmitters for VCRs
• Remote control transmitters for DVD players
• Remote control transmitters for audio equipment
• Remote control transmitters for other consumer electronic devices

Features

• Low power CMOS technology, ensuring minimal power consumption.
• On-chip oscillator, eliminating the need for external timing components.
• Programmable output duty cycle, allowing customization for various IR transmission requirements.
• Multiple address and data bits, enabling a wide range of device control options.
• Internal pull-up resistors on inputs, simplifying external circuitry.
• Direct LED drive capability, reducing the need for external driver components.

Benefits

• Extended battery life due to low power consumption.
• Simplified circuit design with integrated oscillator and pull-up resistors.
• Flexibility in customizing IR transmission characteristics.
• Versatile control options with multiple address and data bits.
• Reduced component count and board space.
• Cost-effective solution for remote control applications.

The MC14425P operates on a supply voltage range of typically 2.0V to 5.5V. It utilizes a CMOS process technology, making it highly immune to noise and providing stable operation over a wide temperature range. The device is typically available in a 16-pin DIP (Dual In-line Package), suitable for through-hole mounting on printed circuit boards.

This IC includes an internal oscillator that is typically configured with an external resistor. The resistor value determines the carrier frequency of the IR signal. The output duty cycle can be programmed using external components to optimize the IR signal strength and range. The device provides multiple address and data bits, allowing a large number of unique device codes to be generated. It has direct LED drive capability, which simplifies the interface to the IR LED.