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IR Receiver Diode TSOP38238 (38kHz)

SKU: 1KOQ670QWD
The TSOP38238 is a compact and highly reliable infrared (IR) receiver module designed for receiving and decoding infrared remote control signals operating at a carrier frequency of 38kHz. It integrates a photodiode, automatic gain control (AGC), band-pass filter, and demodulator circuit into a single package, providing clean digital output signals directly to microcontrollers and digital circuits. The TSOP38238 is widely...
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Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Component Type: Infrared Receiver Module
Model: TSOP38238
Carrier Frequency: 38kHz
Receiver Type: IR Remote Control Receiver
Operating Voltage: 2.5V to 5.5V DC
Typical Supply Voltage: 5V DC
Supply Current: Typically 0.35mA
Reception Distance: Up to 10m (Typical)
Viewing Angle: ±45° Typical
Output Type: Active Low Digital Output
Built-in Filter Frequency: 38kHz
Automatic Gain Control (AGC): Yes
Noise Suppression: Integrated
Ambient Light Immunity: High
Package Type: DIP-3 / Through-Hole
Pin Count: 3 Pins
Operating Temperature Range: -25°C to +85°C
Storage Temperature Range: -40°C to +85°C
Peak Sensitivity Wavelength: 940nm

Additional Resources

TSOP38238.PDF

FAQ

1. What is the TSOP38238 used for?

The TSOP38238 is used to receive and decode infrared remote control signals operating at a carrier frequency of 38kHz.

2. Can the TSOP38238 be connected directly to Arduino?

Yes, the TSOP38238 provides a digital output signal and can be directly interfaced with Arduino, ESP32, STM32, Raspberry Pi Pico, and other microcontrollers.

3. Why is the 38kHz carrier frequency important?

Most consumer IR remote controls transmit data using a 38kHz carrier frequency, making the TSOP38238 compatible with a wide range of remote control devices.

4.What is the output signal of the TSOP38238?

The receiver provides an active-low digital output that can be easily read by microcontrollers and digital circuits.

5. Does the TSOP38238 work in bright lighting conditions?

Yes, the device includes automatic gain control and noise filtering circuitry that helps reduce interference from ambient light sources such as fluorescent lamps and sunlight.

View full product details

The TSOP38238 is a compact and highly reliable infrared (IR) receiver module designed for receiving and decoding infrared remote control signals operating at a carrier frequency of 38kHz. It integrates a photodiode, automatic gain control (AGC), band-pass filter, and demodulator circuit into a single package, providing clean digital output signals directly to microcontrollers and digital circuits.

The TSOP38238 is widely used in IR remote control applications, home automation systems, consumer electronics, robotics, and embedded projects. Its excellent noise immunity and high sensitivity enable reliable operation even in environments with ambient light interference from fluorescent lamps and sunlight.

The module can be easily interfaced with Arduino, ESP32, STM32, Raspberry Pi Pico, and other microcontrollers, making it one of the most popular IR receivers for remote-controlled projects.

Key Features

  • Designed for 38kHz IR remote control signals
  • Integrated photodiode and signal processing circuitry
  • High sensitivity infrared reception
  • Excellent noise immunity
  • Built-in automatic gain control (AGC)
  • Demodulated digital output
  • Low power consumption
  • Wide operating voltage range
  • Compact through-hole package
  • Reliable operation under ambient light conditions
  • Fast response time
  • Easy microcontroller interfacing
  • Suitable for consumer electronics and robotics
  • Long operational lifespan