The TDA5211B4 is a single-chip ASK/FSK receiver designed for wireless communication in the 860-930 MHz frequency range. This highly integrated receiver offers excellent sensitivity and low power consumption, making it suitable for a wide range of applications, especially those requiring long battery life.

Applications:

• Remote Keyless Entry (RKE) systems
• Tire Pressure Monitoring Systems (TPMS)
• Alarm systems
• Wireless sensor networks
• Automated meter reading (AMR)

Features:

• Single-chip ASK/FSK receiver
• Frequency range: 860-930 MHz
• High sensitivity
• Low power consumption
• Data rates up to 40 kbit/s
• RSSI (Received Signal Strength Indicator)
• Wake-up timer
• AGC (Automatic Gain Control)
• Digital filter for improved selectivity

Benefits:

• Extended range due to high sensitivity receiver
• Increased battery life due to low power consumption
• Improved immunity to interference due to AGC and digital filter
• Reduced system cost and size due to high integration
• Flexible configuration options
• Robust and reliable communication

Technical Specifications:

The TDA5211B4 operates from a supply voltage of 2.1 V to 3.6 V. It boasts a typical sensitivity of -115 dBm, enabling reliable reception of weak signals. The device consumes minimal power, making it ideal for battery-powered applications. The data rate is configurable up to 40 kbps. The integrated RSSI provides information about the received signal strength. The AGC ensures optimal receiver performance in varying signal conditions. The digital filter enhances selectivity, reducing the impact of unwanted signals. The wake-up timer allows the device to remain in a low-power sleep mode until a signal is detected, further extending battery life.

The TDA5211B4 is available in a small SMD package, allowing for compact system designs. The device's high performance, low power consumption, and integrated features make it an excellent choice for a variety of wireless applications.