TSOP1838 - Infrared Sensor Remote Receiver 38kHz

TSOP1838 Infrared Sensor Remote Receiver Module 38kHz

The TSOP1838 is an integrated infrared remote control receiver module. It incorporates a PIN diode and a preamplifier. The module is tuned to detect 38 kHz infrared waves. Output is active low, with a +5V signal in its off state. Internal components include a bandpass filter, integrator, and automatic gain control. These features suppress disturbances from ambient light sources. The module offers immunity against electrical field interference. A settling time of <200µs after power-on ensures consistent IR signal detection. It is compatible with TTL and CMOS logic levels.

Specifications:

• Operating Frequency: 38 kHz
• Output Type: Active Low
• Compatibility: TTL and CMOS
• Integrated Components: PIN Diode and Preamplifier
• Disturbance Suppression: Bandpass filter, Integrator, AGC
• Settling Time (Power On): <200µs
• Suitable Burst Length: ≥6 cycles/burst
• Package: Small size
• Output Off State Signal: +5V

Key features and benefits:

• Photo detector and preamplifier integrated in one package
• Internal filter for 38 kHz PCM frequency
• TTL and CMOS compatibility
• Output active low
• Improved shielding against electrical field disturbance
• Enhanced immunity against disturbance light sources
• Small size package
• Short settling time after power on (<200µs)

Applications:

• Infrared remote control systems
• Home automation projects
• Robotics and automation
• DIY electronics and hobby projects
• Security and presence detection

Frequently Asked Questions:

Q: What is the operating frequency of the TSOP1838 module?
A: The TSOP1838 module operates at an infrared frequency of 38 kHz.

Q: What components are integrated within the TSOP1838?
A: The TSOP1838 integrates a PIN diode and a preamplifier.

Q: What is the settling time of the TSOP1838 after power-on?
A: The TSOP1838 has a settling time of less than 200µs (<200µs) after power-on.

Q: What is the output signal state when no IR signal is detected?
A: The output is active low, with a +5V signal in its off state (no IR signal detected).

Q: Is the TSOP1838 compatible with standard logic levels?
A: Yes, it is compatible with both TTL and CMOS logic levels.

Package Includes:

*Image shown is a representation only.

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