TSOP1838 Infrared Receiver Sensor 38kHz DIP3 (TSOP1838 IR Receiver)
The TSOP1838 IR Receiver is a miniaturized infrared sensor designed to receive modulated IR signals at a frequency of 38kHz, commonly used in remote control systems. It integrates a PIN photodiode, preamplifier, and signal processing circuitry in a single compact package, enabling direct digital output compatible with microcontrollers.
The sensor filters out ambient light and electrical noise using an internal bandpass filter and automatic gain control, ensuring reliable operation even in noisy environments. It is widely used in India for TV remote decoding, home automation, robotics, and embedded systems applications.
Key Features
- 38kHz IR Receiver: Optimized for standard remote control signals
- Integrated Photodiode and Preamplifier: Complete IR reception system
- Digital Output: Direct interface with microcontrollers
- High Noise Immunity: Resistant to ambient light and interference
- Low Power Consumption: Suitable for battery operated devices
- TTL and CMOS Compatible Output
Specifications
- Sensor Type: Infrared receiver module
- Carrier Frequency: 38kHz
- Operating Voltage: 2.5V to 5.5V
- Operating Current: Approx 0.4mA to 5mA
- Detection Angle: Around 90°
- Output Type: Digital active low output
- Transmission Range: Up to ~18m typical
- Package Type: DIP 3
- Mounting Type: Through hole
- Applications: IR remote control decoding home automation robotics wireless control systems
Pinout Configuration DIP3 Layout
- Pin 1: OUT (signal output)
- Pin 2: GND
- Pin 3: VCC (2.5V to 5.5V)
