The TSOP77538FTR is an infrared (IR) receiver module manufactured by Vishay. It is designed for IR remote control systems and other applications requiring the detection of IR signals modulated at a specific carrier frequency. This module combines a photodiode, preamplifier, and demodulator into a single package.
Applications
- Infrared (IR) remote control systems (TVs, DVD players, set-top boxes)
- Light barriers
- Proximity sensors
- IR data transmission
- Home automation systems
Features
- High sensitivity: Detects weak IR signals.
- Immunity to ambient light: Filters out unwanted ambient light and noise.
- 38 kHz carrier frequency: Optimized for IR remote control systems using a 38 kHz carrier frequency.
- Low supply current: Consumes minimal power.
- Compact package: Small size allows for easy integration into electronic devices.
Benefits
- Reliable IR signal detection: Provides accurate and reliable detection of IR signals, ensuring proper operation of remote control systems.
- Reduced interference: Immunity to ambient light minimizes interference from external light sources, improving performance.
- Long operating range: High sensitivity allows for operation over a wide range of distances.
- Energy efficient: Low supply current minimizes power consumption.
- Easy to use: Simple three-terminal device that is easy to integrate into electronic circuits.
Additional Details
The TSOP77538FTR is designed to detect IR signals modulated at a carrier frequency of 38 kHz, which is a common frequency used in IR remote control systems. The module contains a photodiode that converts the IR light into an electrical signal, a preamplifier that amplifies the signal, and a demodulator that extracts the original data from the modulated carrier. The module's output is typically a digital signal that can be directly interfaced with a microcontroller or other digital logic circuits. The datasheet provides detailed information about its electrical characteristics, including supply voltage, supply current, output voltage levels, and sensitivity. It is commonly used in TVs, DVD players, set-top boxes, and other electronic devices that are controlled by IR remote controls. Vishay is a leading manufacturer of optoelectronic components.