2. Typical Applications
n Remote Control. ? Wireless Toys.
n Alarm and Security System. ? RKE (Remote Keyless Entry).
n Smart Energy Management. ? Garage Door Opener.
n AMR (Auto Meter Reading) ? Home Automation.
3. Features
n FSK Operating range: VDD=2,2~3,3V. T=-40~+85℃.
n ASK Operating range: VDD=2,2~3,0V. T=-40~+85℃.
n Easy to use
n HW or 3-wire SPI control mode selection.
n HW control mode (no need MCU for radio control, default IFB = mid.).
n Auto calibration.
n Auto start-up sequence, XtalàAuto CalibrationàPLLà RX.
n RX current 9mA (FSK and ASK).
n Shut down mode current 0,5 uA.
n High RX sensitivity (FSK / ASK) down to – 110 dBm at BER<1E-3 (2.4Kbps, 315/433.92MHz).
n Customized digital I/O level (2,0 ~ 3,6V) by VIO pin.
n Fully integrated VCO, on chip loop filter and PLL synthesizer.
n RF range from 290 MHz to 319 MHz with PLL steps of 848KHz by 13.5732MHz Xtal.
n RF range from 420 MHz to 447 MHz with PLL steps of 848KHz by 13.5732MHz Xtal.
n Two balanced Image Reject Mixer and Limiter.
n Integrated IF Filter = mid. (250KHz in ASK, 150KHz in FSK).
n Tunable data filter via external capacitors depending on data rate.
n Tunable data slicer via an external capacitor depending on data rate.
n Support low cost Xtal (13.5732MHz with ± 50ppm stability).
n Very few external components: No need external IF/SAW filters.
n Analog RSSI output.