Part Number: PT2272-M4

Manufacturer: Princeton Technology

Description: Remote Control Decoder IC

Shipped from: Shenzhen/HK Warehouse

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Remote Control Decoder Integrated Circuit, Model Number PT2272-M4 A remote control decoder based on CMOS called PT 2272 is made to work with PT 2262. It has 12 tri-state address pins with a maximum capacity of 531,441 (or 312) address codes. As a result, the chances of a code collision or unauthorized code scanning are greatly reduced.

The PT2272 is offered in various configurations to meet any application’s requirements, including latch or momentary output type and a changeable number of data output pins. Applications: Security measures for automobiles, Garage door controllers, Remote control fan Protection for the home System of automated control Toys with remote controls, Remote control for industrial applications

PT2272-M4 Features

  • The CMOS Technology is present.
  • It uses a Minimal Amount of Power
  • It has Features of Very High Noise Immunity.
  • Features Wide Operating Voltage Range:
  • VCC = 4 to 15V
  • Features Momentary output or single resistor oscillator latch type
  • It comes in DIP and SOP forms.

PT2272-M4 Applications

  • It is used in Car Security System
  • Used in Garage Door Controller
  • Used in Remote Control Fan
  • Used in Home Security/Automation Systems
  • Used in Remote Control Toys
  • Used in Remote Control for Industrial Use

Frequently Asked Questions

What is an IR Sensor?

An infrared sensor, often known as an IR sensor, is an electrical device that emits light to detect an object’s presence in its immediate surroundings. In addition to determining the temperature of an object, an infrared (IR) sensor can identify when motion is present. It is usual for all objects to emit some heat radiation when viewed through an infrared spectrum camera. Infrared sensors can detect the presence of certain types of radiation that are invisible to the naked eye but can be seen by infrared sensors.

An infrared photodiode detects infrared light, which is emitted by an infrared light-emitting diode. Both components of the device are simply diodes. The photodiode exhibits an exceptionally high sensitivity to infrared light and possesses a wavelength identical to that of the IR LED. When infrared light is shone on a photodiode, the resistances and output voltages of the photodiode will shift in a manner that is proportional to the amount of IR light they are exposed to. This allows the photodiode to detect how much-infrared light is being shone on it.

The five main components that make up a traditional infrared detection system are an infrared source, an optical component, infrared detectors or receivers, a transmission channel,  and signal processing. An infrared source is any device that emits infrared radiation. Lasers and LEDs that operate in the infrared spectrum are examples of sources that generate radiation at a particular wavelength.

Infrared light normally transmits in one of these three basic media types: a vacuum, the atmosphere, or optical fibres. It is possible to concentrate infrared radiation on optical components, which can also be used to restrict the spectrum response.

How Does IR Communication Work?

A transmitter and a receiver are required components of an infrared communication system, just like in other communication systems. The transmitter is virtually indistinguishable from an LED, but rather than emitting light in the visible range, and it emits light in the infrared region. On the other hand, an infrared (IR) receiver consists of a photodiode with a preamplifier built into it. This device converts IR light into an electrical signal. The IR transmitter and receiver must be aimed in the same direction for IR communication. Follow the link if you are interested in learning more about the circuit that contains the IR transmitter and receiver.

When a button on the remote is pressed, the infrared LED transmitter (also known as the IR LED) will emit infrared light. This light is taken in by the Receiver, typically comprised of a photodiode or phototransistor. However, infrared light is not only produced by the sun; light bulbs and anything else that generates heat is also sources of this type of light. This can cause interference with the transmitted signal; thus, the transmitted signal is modulated using a carrier frequency ranging from 36 to 46 kilohertz to prevent it. After it has been received, the signal will be demodulated by the IR receiver, and then it will be converted to binary before being sent to the microcontroller.

What are the Types of IR Sensors?

There are two distinct kinds of infrared (IR) sensors that may be purchased, and these are:

Active Infrared Sensor

Active infrared sensors are made up of two different components: an infrared source and an infrared detector. The light-emitting diode (LED) and the infrared laser diode are both examples of infrared sources. Photodiodes and phototransistors are components that can be found in infrared detectors. The infrared detector receives the energy originally released by the infrared source after it has been reflected off an object.

Passive Infrared Sensor

Infrared detectors are essentially the same thing as passive infrared sensors. Passive infrared sensors do not utilize infrared sources and detectors.

Quantum and thermal are the two categories that describe them. Thermal infrared sensors derive their heat from the infrared radiation in the environment. Thermal infrared detectors come in various forms, the most popular of which are thermocouples, pyroelectric detectors, and bolometers. The detection performance of quantum-type infrared sensors is significantly higher. Infrared detectors of the thermal kind are outperformed by it in terms of speed. Depending on the wavelength, quantum-type detectors have varying degrees of photosensitivity.


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PT2272-M4 components made by PTC can be purchased directly from the ICRFQ website. Electronic components from the world’s top manufacturers are available in various styles, prices, and values. PT2272-M4 ICRFQ components are hand-picked, subjected to rigorous quality control, and consistently delivered over expectations.

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