●GENERAL DESCRIPTION
●The ADF7020 is a low power, highly integrated FSK/ASK/OOK transceiver designed for operation in the license-free ISM bands at 433 MHz, 868 MHz, and 915 MHz, as well as the proposed Japanese RFID band at 950 MHz.
●FEATURES
●Low power, low IF transceiver
●Frequency bands
● 431 MHz to 478 MHz
● 862 MHz to 956 MHz
●Data rates supported
● 0.15 kbps to 200 kbps, FSK
● 0.15 kbps to 64 kbps, ASK
●2.3 V to 3.6 V power supply
●Programmable output power
● −16 dBm to +13 dBm in 0.3 dBm steps
●Receiver sensitivity
● −119 dBm at 1 kbps, FSK
● −112 dBm at 9.6 kbps, FSK
● −106.5 dBm at 9.6 kbps, ASK
●Low power consumption
● 19 mA in receive mode
● 26.8 mA in transmit mode (10 dBm output)
● −3 dBm IIP3 in high linearity mode
●On-chip VCO and fractional-N PLL
●On-chip 7-bit ADC and temperature sensor
●Fully automatic frequency control loop (AFC) compensates for ±25 ppm crystal at 862 MHz to 956 MHz or ±50 ppm at 431 MHz to 478 MHz
●Digital RSSI
●Integrated Tx/Rx switch
●Leakage current of <1 µA in power-down mode
●APPLICATIONS
●Low cost wireless data transfer
●Remote control/security systems
●Wireless metering
●Keyless entry
●Home automation
●Process and building control
●Wireless voice
