The PT2240P-D3 is a remote control encoder utilizing CMOS Technology offered by Princeton Technology Corporation. It is a member of the PT2240 series of remote control encoder ICs and is tailored for wireless remote control applications.

Applications:

• Wireless remote control systems
• Security systems
• Garage door and gate openers
• Remote controlled toys
• Industrial remote control systems

Features:

• CMOS Technology
• Low Standby Current
• Multiple Address Pins
• Up to 12 Data Pins
• Externally Adjustable Oscillator Frequency
• Available in DIP and SOP Packages

Benefits:

• Extended Battery Life: Low power consumption maximizes operational time for battery-powered devices.
• Enhanced Security: Address pins allow for a large number of unique address codes, reducing the risk of unauthorized access or control.
• Flexible Control Options: Configurable data pins enable control of multiple functions with a single remote.
• Easy Frequency Adjustment: External oscillator resistor allows for precise tuning of the transmission frequency.

Additional Details:

The PT2240P-D3 generates a unique code based on the states of its address and data pins. When the transmit enable pin is activated, this code is transmitted, modulating an RF carrier. The address and data information is set by connecting the corresponding pins to either a high or low logic level. The PT2240P-D3 is designed to operate with a compatible decoder IC at the receiving end. It typically operates on a voltage range of 2.4V to 12V. The 'D3' suffix indicates a specific configuration of address and data pins which allows for a specific amount of commands to be executed. The oscillator frequency is set using an external resistor connected between the OSC1 and OSC2 pins. Proper selection of this resistor ensures optimal performance.