PT2262 Remote Control Decoder IC DIP-18
The PT2262 is a remote control encoder IC that converts address/data pin states into a serial code for RF or IR transmission.
30.00 EGP
In stockSKU 3496300139033
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PT2262 Remote Control Decoder IC DIP-18
The PT2262 is a CMOS-based remote control encoder designed to generate serial coded waveforms for wireless transmission. Its primary function is to encode the logic states set on its address and data pins into a specialized digital stream. This encoded signal is then output via the DOUT pin, ready to be modulated onto a carrier frequency for RF (Radio Frequency) or IR (Infrared) transmission, forming the foundation of a one-way wireless communication link.
The encoder creates a “Code Word” consisting of up to 12 “Address/Data” bits followed by a synchronization bit. Each bit’s waveform (representing a logic ‘0’, ‘1’, or floating ‘f’) is defined by a specific pattern of pulses based on the chip’s internal oscillator timing. For reliable transmission, the PT2262 automatically transmits each complete Code Word four times in succession, creating a robust “Code Frame” that helps the paired receiver (PT2272) correctly decode the signal amidst potential interference.
Operation is initiated by pulling the active-low /TE (Transmit Enable) pin to ground. The chip remains in a low-power stand-by mode until this occurs. The encoding process and waveform synthesis happen in real-time at the moment of transmission, using the pin states present when /TE is activated. An external single resistor connected between the OSC1 and OSC2 pins sets the chip’s fundamental operating frequency, which is crucial for synchronizing the encoder with its corresponding decoder.
Features:
- Utilizes CMOS Technology.
- Low Power Consumption.
- Very High Noise Immunity.
- Up to 12 Tri-State Code Address Pins.
- Up to 6 Data Pins.
- Wide Operating Voltage Range (Vcc = 4V ~ 15V).
- Single Resistor Oscillator.
- Supports Latch or Momentary Output Type.
- Available in DIP and SOP packages.
Specifications:
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Absolute Maximum Ratings | ||||||
| Supply Voltage: | Vcc | -0.3 | 16.0 | V | ||
| Operating Temperature: | Topr | -40 | +85 | °C | ||
| Storage Temperature: | Tstg | -65 | 150 | °C | ||
| DC Electrical Characteristics | ||||||
| Supply Voltage: | Vcc | 4 | 15 | V | ||
| Stand-by Current: | ISB | Vcc=12V, Pins Open | 0.1 | 1 |
Pinout Diagram:
Footprint Diagram:
Applications:
- Car Security System.
- Garage Door Controller.
- Remote Control Fan.
- Home Security/Automation System.
- Remote Control Toys.
- Remote Control for Industrial Use.
Package Contents:
- 1x PT2262 Remote Control Decoder IC DIP-18
Datasheet
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