The TDA5235HT is a single-chip ASK/FSK receiver IC designed by Infineon Technologies. It's primarily used in remote control systems, wireless door openers, and other short-range wireless applications operating in the license-free ISM (Industrial, Scientific, and Medical) frequency bands. This receiver IC is designed for high sensitivity and low power consumption, making it ideal for battery-powered devices.

Applications

• Remote keyless entry (RKE) systems
• Tire pressure monitoring systems (TPMS)
• Wireless door openers
• Alarm systems
• Garage door openers

Features

• Frequency range: 300 MHz to 510 MHz
• ASK/FSK demodulation
• High sensitivity
• Low power consumption
• Automatic Gain Control (AGC)
• RSSI (Received Signal Strength Indicator) output
• Supply voltage range: 3V to 5.5V

Benefits

• Long battery life: Low power consumption extends battery life in portable and battery-powered devices.
• Reliable communication: High sensitivity ensures reliable communication even in noisy environments.
• Flexible design: Wide frequency range allows for use in various ISM bands.
• Simplified system design: Integrated AGC and RSSI simplify the design process and reduce external component count.
• Robust performance: Designed for reliable operation in harsh environments.

The TDA5235HT from Infineon Technologies is a highly integrated and reliable ASK/FSK receiver IC. It provides a complete receiver solution for various wireless applications, offering excellent performance and low power consumption.