io-homecontrol-Compliant RF Transceiver ADF7022 FEATURES 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 μA in RCO wake mode 1.25 μA in XTO wake mode (32 kHz oscillator active) 38.4 μA 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 ramping 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 × 5 mm, 32-lead LFCSP package 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 APPLICATIONS Home automation Process and building control FUNCTIONAL BLOCK DIAGRAM ADCIN_ATB3 4kB ROM IO-H/C MAC FSK DEMOD LNA RSSI/ LOGAMP 8-BIT RISC PROCESSOR 8-BIT ADC MUX RFIO_1P RFIO_1N IRQ CTRL CSN 2kB RAM CDR AFC AGC 256-BYTE PACKET RAM PA IRQ_GP3 MISO SPI SCLK MOSI 64-BYTE BBRAM LOOP FILTER DIVIDER PA CHARGE PUMP PFD 256-BYTE MCR RAM TEST DAC DIVIDER LDO4 LDO3 LDO2 CREGRFx CREGVCO CREGSYNTH BIAS ANALOG TEST CREGDIGx RBIAS WAKE UP CONTROL TIMER UNIT GAUSSIAN FILTER Σ-∆ MODULATOR ADF7022 LDO1 GPIO1 fDEV PA RAMP PROFILE 1GPIO GPIO TEMP SENSOR BATTERY MONITOR XOSC32KN_ATB2 32kHz OSC 32kHz RCOSC CLOCK DIVIDER 26MHz OSC XOSC32KP_GP5_ATB1 XOSC26N REFERS TO PIN GP0 TO PIN GP5. XOSC26P 08266-001 RFO2 Figure 1. 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. All rights reserved. ADF7022 NOTES ©2009–2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D08266F-0-2/11(SpA) Rev. SpA | Page 2 of 2