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TDA5211

The IC is a very low power consumption single chip FSK/ASK Superheterodyne Receiver (SHR) for the< frequency band 310 to 350 MHz that is pin compatible with the ASK Receiver TDA5201. The IC offers a high level of integration and needs only a few external components. The device contains a low noise amplifier (LNA), a double balanced mixer, a fully integrated VCO, a PLL synthesiser, a crystal oscillator, a limiter with RSSI generator, a PLL FSK demodulator, a data filter, a data comparator (slicer) and a peak detector. Additionally there is a power down feature to save battery life.

Parametric TDA5211 Frequency Band 315.0MHz Frequency Band 345.0MHz Channel Requirements per Band Single-Channel Modulation Type ASK / FSK Digital Baseband / Autonomous RX no Temperature  min  max -40.0°C  105.0°C Frequency Range  min  max 310.0MHz  350.0MHz ASK Receive Sensitivity -113.0dBm FSK Receive Sensitivity -105.0dBm Supply Voltage  min  max 4.5V  5.5V Sales Product Name TDA5211 OPN TDA5211XUMA1 Product Status active and preferred Package Name PG-TSSOP-28 Completely lead free yes Halogen free yes RoHS compliant yes Packing Size 3000 Packing Type TAPE & REEL Moisture Level 3

Summary of Features: Low supply current (Is = 5.7 mA typ. in FSK mode, Is = 5 mA typ. in ASK mode) Supply voltage range 5V ±10% Power down mode with very low supply current (50nA typ.) FSK and ASK demodulation capability Fully integrated VCO and PLL Synthesiser ASK sensitivity better than -110 dBm over specified temperature range (- 40 to +105°C) Selectable frequency ranges 310- 330 MHz and 330-350 MHz Limiter with RSSI generation, operating at 10.7MHz Selectable reference frequency 2nd order low pass data filter with external capacitors Data slicer with self-adjusting threshold FSK sensitivity better than -102 dBm over specified temperature range (- 40 to +105°C) Target Applications: Keyless Entry Systems Remote Control Systems Alarm Systems Low Bitrate Communication Systems

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