General Features • Complete Key Fob IC Consisting of an AVR® Microcontroller and RF Transmitter PLL in a Single QFN24 5 mm × 5 mm Package (Pitch 0.
65 mm) – f0 = 310 MHz to 350 MHz (ATA5773) – f0 = 429 MHz to 439 MHz (ATA5774) – f0 = 868 MHz to 928 MHz (ATA5771) Automotive Qualified Temperature Range –40° C to +85° C ESD Protection: HBM 2500V, MM 100V, CDM 1000V Supply voltage 2.
0V to 4.
0V for Single Li-cell Power Supply Low Power Consumption – Active Mode: Typical 9.
8 mA at 3.
0V and 4 MHz Microcontroller-clock – Power-down Mode: Typical 200 nA at 3.
0V Modulation Scheme ASK/FSK Integrated PLL Loop Filter High Output Power (8 dBm at 315 MHz/7.
5 dBm at 433 MHz/ 5.
5 dBm at 868 MHz) High Performa...

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