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TDA7110

The TDA7110 is a single chip ASK/FSK transmitter for the frequency bands 868-870 MHz and 433-435 MHz. The IC offers a high level of integration and needs only a few external components. The device contains a fully integrated PLL synthesizer and a high efficiency power amplifier to drive a loop antenna. A special circuit design and an unique power amplifier design are used to save current consumption and therefore to save battery life. Additionally features like a power down mode, a low power detect, a selectable crystal oscillator frequency and a divided clock output are implemented. The IC can be used for both ASK and FSK modulation

Parametric TDA7110 Frequency Band 434.0MHz Frequency Band 868.0MHz Channel Requirements per Band Single Channel Modulation Type ASK / FSK Transmit Power (@3V) 10.0dBm Temperature  min  max -40.0°C  85.0°C Frequency Range (@ 25°C)  min  max 427.0MHz  442.0MHz Frequency Range  min  max 432.0MHz  437.0MHz Frequency Range (@ 25°C)  min  max 854.0MHz  884.0MHz Frequency Range  min  max 864.0MHz  874.0MHz Supply Voltage  min  max 2.1V  4.0V Sales Product Name TDA7110 OPN TDA7110XUMA1 Product Status not for new design Package Name PG-TSSOP-16 Completely lead free yes Halogen free yes RoHS compliant yes Packing Size 3000 Packing Type TAPE & REEL Moisture Level 3

Summary of Features: fully integrated frequency synthesizer VCO without external components high efficiency power amplifier typically 10 dBm @ 3 V switchable frequency range 868-870/433-435 MHz ASK/FSK modulation low supply current typ. 13 mA@3V voltage supply range 2.1 - 4 V power down mode low voltage sensor selectable crystal oscillator 6.78 MHz/13.56 MHz programmable divided clock output for μC low external component count Target Applications: Remote Keyless Entry (RKE) systems Remote control systems Alarm systems Communication systems

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