GENERAL DESCRIPTION
●The ADF7025 is a low power, highly integrated FSK transceiver. It is designed for operation in the license–free ISM bands of 433 MHz, 863 MHz to 870 MHz, and 902 MHz to 928 MHz. The ADF7025 can be used for applications operating under the European ETSI EN300-220 or the North American FCC (Part 15) regulatory standards. The ADF7025 is intended for wideband, high data rate applications with deviation frequencies from 100 kHz to 750 kHz and data rates from 9.6 kbps to 384 kbps. A complete transceiver can be built using a small number of external discrete components, making the ADF7025 very suitable for price-sensitive and area-sensitive applications.
●FEATURES
● Low power, zero-IF RF transceiver
● Frequency bands
● 431 MHz to 464 MHz
● 862 MHz to 870 MHz
● 902 MHz to 928 MHz
● Data rates supported
● 9.6 kbps to 384 kbps, FSK
● 2.3 V to 3.6 V power supply
● Programmable output power
● −16 dBm to +13 dBm in 63 steps
● Receiver sensitivity
● −104.2 dBm at 38.4 kbps, FSK
● −100 dBm at 172.8 kbps, FSK
● −95.8 dBm at 384 kbps, FSK
● Low power consumption
● 19 mA in receive mode
● 28 mA in transmit mode (10 dBm output)
● On-chip VCO and Fractional-N PLL
● On-chip, 7-bit ADC and temperature sensor
● Digital RSSI
● Integrated TRx switch
● Leakage current < 1 µA in power-down mode
●APPLICATIONS
● Wireless audio/video
● Remote control/security systems
● Wireless metering
● Keyless entry
● Home automation
