The TFDS3000 is a series of infrared (IR) receivers manufactured by TEMIC Semiconductors (now Vishay). These devices are designed for remote control systems and other applications requiring IR signal detection. They integrate a photodiode, amplifier, and demodulator into a single package, providing a compact and reliable solution for IR reception.
Applications:
- Remote control systems: For TVs, DVD players, set-top boxes, and other consumer electronics.
- Light curtains: For safety applications in industrial equipment.
- Proximity sensors: For detecting the presence of objects.
- IR data communication: For short-range wireless data transfer.
Features:
- Integrated photodiode, amplifier, and demodulator: Reduces component count and simplifies circuit design.
- High sensitivity: Detects weak IR signals.
- Immunity to ambient light: Minimizes interference from sunlight and artificial light.
- AGC (Automatic Gain Control): Adjusts the amplifier gain to compensate for variations in signal strength.
- Supply voltage: Operates from a single 2.7V to 5.5V power supply.
- Carrier frequency: Optimized for different carrier frequencies commonly used in remote control systems (e.g., 36 kHz, 38 kHz, 40 kHz).
Benefits:
- Reliable IR signal detection: Provides robust performance in various environments.
- Simple integration: Compact package and integrated functionality simplify system design.
- Reduced system cost: Integrated solution reduces the need for external components.
- Improved performance: AGC and ambient light immunity enhance signal quality.
Technical Specifications:
The TFDS3000 is typically packaged in a molded plastic package. It operates over a temperature range of -25°C to +85°C. The typical reception range is up to 10 meters, depending on the transmitter power and environmental conditions. Different versions of the TFDS3000 are available with different carrier frequencies to match specific remote control standards.