The TSOP1838SJ3V is a miniaturized receiver for infrared remote control systems. It's part of the TSOP18xx series from Vishay, designed for standard IR remote control applications. This component integrates a photodiode, preamplifier, and IR filter into a single epoxy package. It is optimized for receiving IR signals modulated at a carrier frequency of 38 kHz.

Applications

• Infrared remote control systems
• TVs, DVD players, and other consumer electronics
• Remote controls for air conditioners, lighting, and other home automation devices
• IR data transmission

Features

• Continuous data transmission possible (up to 2400 bps)
• Very low supply current
• Photo detector and preamplifier in one package
• Internal filter for PCM frequency
• Improved immunity against ambient light
• 2.7 V to 5.5 V supply voltage
• Suitable burst length ≥6 cycles/burst
• Carrier frequency: 38 kHz
• TTL and CMOS compatibility

Benefits

• Improved immunity against disturbances like IR emissions from CFL lamps or electrical noise
• Easy to use: requires minimal external components
• Space-saving: miniaturized package allows for compact designs
• Reliable performance: Vishay's manufacturing ensures high-quality and consistent operation
• Cost-effective solution for IR remote control receivers

Additional Details

The TSOP1838SJ3V operates within a supply voltage range of 2.7V to 5.5V. Its output is an active low signal. The device's internal filter is specifically tuned to reject unwanted noise and IR signals outside the 38 kHz range. It is designed to receive burst codes with a minimum burst length of 6 cycles/burst.

The epoxy package provides protection against environmental factors, ensuring a long lifespan and reliable operation. The device is RoHS compliant, demonstrating its commitment to environmental responsibility.