Click to expand full text
19-3706; Rev 0; 5/05
Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL
General Description
www.datasheet4u.com
Features
♦ +2.1V to +3.6V or +4.5V to +5.5V Single-Supply Operation ♦ Single-Crystal Transceiver ♦ Factory-Preset Frequency (No Serial Interface Required) ♦ ASK/OOK Modulation ♦ +10dBm Output Power into 50Ω Load ♦ Integrated TX/RX Switch ♦ Integrated Transmit and Receive PLL, VCO, and Loop Filter ♦ > 45dB Image Rejection ♦ Typical RF Sensitivity*: -114dBm ♦ Selectable IF Bandwidth with External Filter ♦ < 12.5mA Transmit-Mode Current ♦ < 6.7mA Receive-Mode Current ♦ < 800nA Shutdown Current ♦ Fast-On Startup Feature, <250µs ♦ Small, 32-Pin, Thin QFN Package
*0.