TSOP1738 - Infrared Sensor

TSOP1738 Infrared Sensor Module: 38kHz IR Receiver for Remote Control

The TSOP1738 is a highly integrated infrared remote control receiver module, combining a PIN diode and a preamplifier within a single, compact package. Designed to detect IR signals with a center frequency of 38 kHz, it provides an active low output. This sensor is engineered with advanced features like a bandpass filter, an integrator stage, and automatic gain control. These mechanisms effectively suppress disturbances from ambient light sources such as sunlight and fluorescent lamps. Its robust design ensures reliable performance even in challenging environments. Ideal for various electronic projects, the TSOP1738 offers excellent immunity to electrical field interference. It's a versatile component for hobbyists and professionals alike, ensuring precise IR signal reception. This module is a cornerstone for reliable infrared communication.

Specifications:

• Operating Frequency: 38 kHz
• Output Logic: Active Low
• Supply Voltage: 2.5V - 5.5V
• Logic Compatibility: TTL and CMOS
• Max Data Rate: 2400 bps
• Min Burst Length: ≥10 cycles/burst
• Integrated Features: Photodetector, Preamplifier, Bandpass Filter, AGC
• Ambient Light Immunity: High
• Electrical Field Immunity: Improved

Key features and benefits:

• Photodetector and preamplifier integrated into one package.
• Internal bandpass filter optimized for 38 kHz PCM frequency.
• Enhanced shielding provides high immunity against electrical field disturbances.
• Directly compatible with both TTL and CMOS logic circuits.
• Active low output signal for easy interfacing.
• Characterized by low power consumption, ideal for battery-powered applications.
• Offers high immunity against ambient light interference.
• Supports continuous data transmission up to 2400 bps.

Applications:

• Infrared remote control systems (TVs, VCRs, audio equipment)
• Robotics and automation projects
• Proximity sensing and object detection
• DIY home automation systems
• Security and access control systems
• IR data communication links

Package Includes:

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