ANALOG DEVICES ADF7022 Manual
Contents
1. ANALOG DEVICES FEATURES Very low power high performance low IF transceiver Fully integrated io homecontrol compliant protocol covering Layer 1 Layer 2 and time critical elements of Layer 3 Media access Master slave and beacon modes supported Automatic io homecontrol channel scan Automatic CRC preamble start byte insertion check UART data encoding as per io homecontrol Smart preamble detect packet sniffing Automatic address filtering Low power modes Autonomous packet handling without intervention of host microprocessor thus significantly increasing battery life 1 way and 2 way communication supported Automatic wake up timer 32 bit hardware timer 16 bit firmware timer 48 bits total Uses either External 32 kHz crystal Internal 32 kHz RC oscillator Patented fast settling automatic frequency control AFC Fully integrated image rejection calibration patent pending Digital RSSI Operating frequencies Channel 1 868 25 MHz Channel 2 868 95 MHz Channel 3 869 85 MHz io homecontrol Compliant RF Transceiver ADF7022 Very low power consumption 12 8 mA in receive mode with AGC active 11 9 mA in receive mode with manual AGC ADC off 24 1 mA in transmit mode 10 dBm output 0 75 pA in RCO wake mode 1 25 pA in XTO wake mode 32 kHz oscillator active 38 4 pA average current in low power mode Receiver sensitivity 10 3 BER 108 5 dBm at 38 4 kbps FSK 20 kHz deviation Output power programmable up to 13 5 dBm Automatic PA ra2. l rights reserved ADF 7022 NOTES 2009 2011 Analog Devices Inc All rights reserved Trademarks and ANALOG registered trademarks are the property of their respective owners D08266F 0 2 11 SpA DEVICES www analog com Rev SpA Page 2 of 2
3. mping Dual PAs offer Tx antenna diversity Very few external components Integrated PLL loop filter Integrated Rx Tx switch Integrated battery monitor On chip 8 bit ADC and temperature sensor Efficient and flexible SPI control interface 4 lines available for low cost microcontroller interface Flexible Tx and Rx data buffers Efficient burst mode register access 1 8 V to 3 6 V power supply 5 mm x 5 mm 32 lead LFCSP package APPLICATIONS Home automation Process and building control FUNCTIONAL BLOCK DIAGRAM ADCIN_ATB3 CREGRFx CREGVCO CREGSYNTH CREGDIGx RBIAS 1GPIO REFERS TO PIN GPO TO PIN GP5 XOSC32KN_ATB2 XOSC32KP_GP5_ATB1 XOSC26N XOSC26P 8 BIT RISC PROCESSOR 256 BYTE PACKET RAI 08266 001 For more information on the ADF7022 contact a local sales office at Analog Devices Inc Rev SpA Information furnished by Analog Devices is believed to be accurate and reliable However no responsibility is assumed by Analog Devices for its use nor for any infringements of patents or other rights of third parties that may result from its use Specifications subject to change without notice No license is granted by implication or otherwise under any patent or patent rights of Analog Devices Trademarks and registered trademarks are the property of their respective owners One Technology Way P O Box 9106 Norwood MA 02062 9106 U S A Tel 781 329 4700 www analog com Fax 781 461 3113 2009 2011 Analog Devices Inc Al
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