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Partnumber	Manufacturer	Quantity	Availability
PT2272-L4 Manufacturer: PTC, PTC. Remote Control Decoder
PT2272-L4,PT2272L4	PTC, PTC.	11670	In Stock
Description and Introduction Remote Control Decoder # Introduction to the PT2272-L4 Electronic Component The PT2272-L4 is a widely used CMOS-based remote control decoder IC designed for wireless communication applications. It is commonly paired with the PT2262 encoder to form a reliable RF or IR remote control system. The "L4" suffix indicates that this version supports a 4-bit data input, making it suitable for applications requiring multiple control signals. This decoder IC operates at a low voltage range, typically between 2.4V and 12V, ensuring compatibility with various power sources. It features a built-in oscillator, requiring only minimal external components for operation, which simplifies circuit design. The PT2272-L4 decodes signals transmitted by its corresponding encoder, validating them through address matching before outputting the decoded data. Key applications include garage door openers, security systems, and home automation devices. Its low power consumption and noise immunity make it a practical choice for battery-operated and interference-prone environments. Engineers favor the PT2272-L4 for its straightforward implementation and cost-effectiveness in remote control solutions. When designing with this IC, proper address setting and signal synchronization are critical to ensure reliable communication. Overall, the PT2272-L4 remains a dependable choice for decoding wireless control signals in consumer and industrial electronics.
Application Scenarios & Design Considerations Remote Control Decoder
Alternative Part Number EV1527 --: Learning-code remote control decoder IC with similar function to PT2272, widely used as a drop-in alternative in RF receiver designs. HS1527 --: Compatible remote control encoder/decoder family offering similar address and data handling, suitable replacement with minor circuit adjustment. SC2272-L4 --: Direct functional equivalent of the PT2272 series with matching latch output type, commonly used as a second-source substitute. EV1527 --: Learning-code remote control decoder IC with 4 data outputs, functionally similar to PT2272-L4 and widely used as a drop-in replacement in RF receiver designs. HS1527 --: Low-cost learning code decoder with 4-bit output, compatible pinout and function with PT2272-L4 for remote control applications. SC2272-L4 --: Direct functional equivalent decoder IC with latch-type 4 outputs, commonly used as a substitute for PT2272-L4 in wireless receiver modules. EV1527 --: Learning-code remote control decoder IC with 4 data outputs, functionally similar to PT2272-L4 and widely used as a drop-in replacement in RF receiver modules. HS1527 --: Low-cost learning code decoder with latch outputs, compatible pinout and function with PT2272-L4 for remote control applications. SC2272-L4 --: Direct functional equivalent decoder IC with 4 latch outputs, commonly used as a substitute for PT2272 series in wireless remote systems. EV1527 --: Learning-code remote control decoder IC with 4 data outputs, functionally similar to PT2272-L4 and widely used as a drop-in replacement in RF receiver modules. HS1527 --: Pin-compatible learning code decoder with latch outputs, commonly substituted for PT2272-L4 in wireless remote control designs. SC2272-L4 --: Direct functional equivalent decoder with 4 latched outputs, same encoding scheme and pinout, produced by a major Chinese IC maker.

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