io-homecontrol-Compliant RF Transceiver ADF7022 FEATURES Very low power consumption Very low power, high performance, low IF transceiver 12.8 mA in receive mode with AGC active Fully integrated io-homecontrol compliant protocol covering 11.9 mA in receive mode with manual AGC, ADC off Layer 1, Layer 2, and time critical elements of Layer 3 24.1 mA in transmit mode (10 dBm output) Media access 0.75 A in RCO wake mode Master, slave, and beacon modes supported 1.25 A in XTO wake mode (32 kHz oscillator active) Automatic io-homecontrol channel scan 38.4 A average current in low power mode 3 Automatic CRC, preamble, start byte insertion/check Receiver sensitivity (10 BER) UART data encoding as per io-homecontrol 108.5 dBm at 38.4 kbps FSK, 20 kHz deviation Smart preamble detect/packet sniffing Output power programmable up to 13.5 dBm Automatic address filtering Automatic PA ramping Low power modes Dual PAs offer Tx antenna diversity Autonomous packet handling without intervention of host Very few external components microprocessor thus significantly increasing battery life Integrated PLL loop filter 1-way and 2-way communication supported Integrated Rx/Tx switch Automatic wake-up timer Integrated battery monitor 32-bit hardware timer, 16-bit firmware timer (48 bits total) On-chip 8-bit ADC and temperature sensor Uses either Efficient and flexible SPI control interface External 32 kHz crystal 4 lines available for low cost microcontroller interface Internal 32 kHz RC oscillator Flexible Tx and Rx data buffers Patented fast settling automatic frequency control (AFC) Efficient burst mode register access Fully integrated image rejection calibration (patent pending) 1.8 V to 3.6 V power supply Digital RSSI 5 mm 5 mm, 32-lead LFCSP package Operating frequencies APPLICATIONS Channel 1: 868.25 MHz Home automation Channel 2: 868.95 MHz Process and building control Channel 3: 869.85 MHz FUNCTIONAL BLOCK DIAGRAM ADCIN ATB3 IRQ 4kB ROM IRQ GP3 FSK CTRL IO-H/C DEMOD LNA MAC RFIO 1P RSSI/ CSN 8-BIT RISC 8-BIT 2kB RAM LOGAMP PROCESSOR ADC RFIO 1N MISO CDR SPI AFC 256-BYTE SCLK AGC PACKET MOSI RAM PA 64-BYTE BBRAM LOOP CHARGE DIVIDER GPIO RFO2 PA PFD FILTER PUMP 256-BYTE MCR RAM TEST 1 DIVIDER GPIO DAC PA RAMP f DEV PROFILE WAKE UP CONTROL GAUSSIAN CLOCK - TIMER UNIT FILTER DIVIDER MODULATOR ADF7022 ANALOG TEMP BATTERY 32kHz 32kHz 26MHz BIAS TEST SENSOR MONITOR OSC RCOSC OSC CREGRFx CREGVCO CREGSYNTH CREGDIGx RBIAS XOSC32KN ATB2 XOSC32KP GP5 ATB1 XOSC26N XOSC26P 1 GPIO REFERS TO PIN GP0 TO PIN GP5. 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 www.analog.com license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Fax: 781.461.3113 20092011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. LDO1 LDO2 LDO3 LDO4 MUX 08266-001ADF7022 NOTES 20092011 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