The TDA5211B3 is a single-chip, high-performance ASK/FSK receiver designed for various wireless applications in the frequency range of 860-930 MHz. This receiver excels in applications demanding high sensitivity and low power consumption, making it suitable for battery-powered devices.

Applications:

• Remote Keyless Entry (RKE) systems
• Tire Pressure Monitoring Systems (TPMS)
• Alarm systems
• Wireless sensor networks
• Garage door openers

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 operating range due to high sensitivity
• Prolonged battery life in portable devices due to low power consumption
• Robust performance in noisy environments due to AGC and digital filter
• Simplified system design due to high level of integration
• Flexible configuration options through internal registers
• Reliable data reception even with weak signals

Technical Specifications:

The TDA5211B3 operates with a supply voltage between 2.1V and 3.6V. It features a typical sensitivity of -115 dBm. It supports data rates up to 40 kbps. The device contains an RSSI output, allowing for received signal strength measurement. The AGC automatically adjusts the receiver gain to optimize performance. The digital filter enhances selectivity and reduces interference. The receiver also incorporates a wake-up timer to reduce power consumption during periods of inactivity.

The TDA5211B3 is available in a small SMD package, suitable for miniaturized applications. Its low power consumption and high sensitivity make it ideal for use in battery-powered devices such as remote controls and wireless sensors. Its integrated features simplify the overall system design and lower component count.