ADF7241

Low Power IEEE 802.15.4 Zero-IF 2.4 GHz Transceiver IC ADF7241 FEATURES Frequency range (global ISM band) 2400 MHz to 2483.5 MHz IEEE 802.15.4-2006-compatible (250 kbps) Low power consumption 19 mA (typical) in receive mode 21.5 mA (typical) in transmit mode (PO = 3 dBm) 1.7 µA, 32 kHz crystal oscillator wake-up mode High sensitivity −95 dBm at 250 kbps Programmable output power −20 dBm to +4.8 dBm in 2 dB steps Integrated voltage regulators 1.8 V to 3.6 V input voltage range Excellent receiver selectivity and blocking resilience Zero-IF architecture Complies with EN300 440 Class 2, EN300 328, FCC CFR47 Part 15, ARIB STD-T66 Digital RSSI measurement Fast automatic VCO calibration Automatic RF synthesizer bandwidth optimization On-chip low power processor performs Radio control Packet management Packet management support Insertion/detection of preamble address/SFD/FCS IEEEE 802.15.4-2006 frame filtering IEEEE 802.15.4-2006 CSMA/CA unslotted modes Flexible 256-byte transmit/receive data buffer SPORT mode Flexible multiple RF port interface External PA/LNA support hardware Switched antenna diversity support Wake-up timer Very few external components Integrated PLL loop filter, receive/transmit switch, battery monitor, temperature sensor, 32 kHz RC and crystal oscillators Flexible SPI control interface with block read/write access Small form factor 5 mm × 5 mm 32-lead LFCSP package APPLICATIONS Wireless sensor networks Automatic meter reading/smart metering Industrial wireless ...