PDF ADF7024 Data sheet ( Hoja de datos )

Número de pieza	ADF7024
Descripción	Transceiver IC
Fabricantes	Analog Devices
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Data Sheet Easy to Use, Low Power, Sub GHz, ISM/SRD, FSK/GFSK, Transceiver IC ADF7024 FEATURES Receiver performance Radio frequency (RF) bands: 431 MHz to 435 MHz and 862 MHz to 928 MHz Data rates supported: 9.6 kbps, 38.4 kbps, 50 kbps, 100 kbps, 200 kbps, and 300 kbps Modulation: two-level frequency (FSK) and Gaussian frequency (GFSK) shift keying 2.2 V to 3.6 V power supply Ultralow power sleep modes for long battery life Simple serial port interface (SPI) control interface Fast radio state transitions Automatic frequency control (AFC) and automatic gain control (AGC) Digital received signal strength indication (RSSI) Fully integrated low noise RF synthesizer and transmit (Tx)/receive (Rx) switch Image rejection calibration (U.S. Patent 8,238,865 and U.S. Patent 8,358,993) Highly linear: −11.5 dBm input IP3 Blocking: 76 dB at 10 MHz offset Receiver sensitivity, bit error rate (BER) −111 dBm at 9.6 kbps −105 dBm at 100 kbps Low power: 12.8 mA in Rx Transmitter performance High efficiency power amplifier (PA): 23.3 mA in Tx at 10 dBm Output power range: −20 dBm to +13.5 dBm Output power resolution: 0.5 dB Low power mode performance 0.33 μA in PHY_SLEEP mode (Deep Sleep Mode 1) 0.75 μA in PHY_SLEEP mode (32 kHz RC oscillator active) 11.75 μA autonomous Rx sniff using SWM, 300 kbps Supported regulations ETSI EN 300 220 FCC Part 15.231, Part 15.247, Part 15.249 Integrated packet management support Insertion/detection of preamble/sync word/cyclic redundancy check (CRC) Manchester and 8-bit/10-bit data encoding and decoding Data whitening 240-byte packet buffer for Tx/Rx data Smart wake mode (SWM) Autonomous carrier sense, packet sniffing, and reception APPLICATIONS Wireless sensor networks (WSNs) Home and building automation sset tracking Process and building control Industrial control Internet of Things (IoT) Integrated battery alarm and temperature sensor Integrated RC oscillator On-chip, 8-bit analog-to-digital converter (ADC) 5 mm × 5 mm, 32-lead LFCSP FUNCTIONAL BLOCK DIAGRAM RFI_P RFI_N LNA ADF7024 RFO PA LOW IF RECEIVER SYNTHESIZER TRANSMITTER DIGITAL BASEBAND, PACKET HANDLER, AND MEMORY IRQ CTRL SPI GPx IRQ_GP3 CS MISO SCLK MOSI GPx BIAS TEMPERATURE BATTERY SENSOR MONITOR 32kHz RC OSC SMART WAKE CONTROLLER 26MHz OSC 2 CREGx RBIAS Figure 1. XOSC26P, XOSC26N Rev. B Document Feedback 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. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2014–2015 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com 1 page ADF7024 Data Sheet SPECIFICATIONS VDD = VDDBAT1 = VDDBAT2 = 2.2 V to 3.6 V, GND = 0 V, TA = TMIN to TMAX, unless otherwise noted. Typical specifications are at VDD = 3 V, TA = 25°C. RF AND SYNTHESIZER SPECIFICATIONS Table 2. Parameter RF CHARACTERISTICS Frequency Ranges PHASE-LOCKED LOOP (PLL) Channel Frequency Resolution Phase Noise (In-Band) Phase Noise at Offset 1 MHz 2 MHz 10 MHz VCO Calibration Time Synthesizer Settling Time Min 862 431 CRYSTAL OSCILLATOR Crystal Frequency Recommended Load Capacitance Maximum Crystal ESR Pin Capacitance Start-Up Time 7 SPURIOUS EMISSIONS Integer Boundary Spurious 910.1 MHz 911.0 MHz Reference Spurious 868 MHz/915 MHz Clock Related Spur Level Typ Max Unit Test Conditions/Comments 928 MHz 435 MHz All radio profiles Radio Profile B only 396.7 −88 Hz dBc/Hz 10 kHz offset, PA output power = 10 dBm, RF = 868 MHz −126 −131 −142 142 56 dBc/Hz dBc/Hz dBc/Hz μs μs PA output power = 10 dBm, RF = 868 MHz PA output power = 10 dBm, RF = 868 MHz PA output power = 10 dBm, RF = 868 MHz Frequency synthesizer settles to within ±5 ppm of the target frequency within this time following the VCO calibration in transmit and receive 26 MHz Parallel load resonant crystal 18 pF 1800 Ω 26 MHz crystal with 18 pF load capacitance 2.1 pF Capacitance for XOSC26P and XOSC26N 310 μs 26 MHz crystal with 7 pF load capacitance 388 μs 26 MHz crystal with 18 pF load capacitance −39 dBc Radio Profile A, integer boundary spur at 910 MHz (26 MHz × 35), inside synthesizer loop bandwidth −79 dBc Radio Profile A, integer boundary spur at 910 MHz (26 MHz × 35), outside synthesizer loop bandwidth −80 dBc Radio Profile A −60 dBc Measured in a span of ±350 MHz, RF = 868.95 MHz, PA output power = 10 dBm, VDD = 3.6 V Rev. B \| Page 4 of 24 5 Page ADF7024 GENERAL SPECIFICATIONS Table 7. Parameter TEMPERATURE RANGE, TA VOLTAGE SUPPLY VDD TRANSMIT CURRENT CONSUMPTION 433 MHz −10 dBm 0 dBm 10 dBm 13.5 dBm 868 MHz/915 MHz −10 dBm 0 dBm 10 dBm 13.5 dBm POWER MODES PHY_SLEEP (Deep Sleep Mode 2) PHY_SLEEP (Deep Sleep Mode 1) PHY_SLEEP (RC Oscillator Active) PHY_OFF PHY_ON PHY_RX SMART WAKE MODE Data Sheet Min Typ Max Unit Test Conditions/Comments −40 +85 °C 2.2 3.6 V Applied to VDDBAT1 and VDDBAT2 In the PHY_TX state, PA matched to 50 Ω, separate PA and LNA match 8.7 mA 12.2 mA 23.3 mA 32.1 mA 10.3 mA 13.3 mA 24.1 mA 32.1 mA 0.18 0.33 0.75 1 1 12.8 21.78 11.75 µA Sleep mode, memory not retained µA Sleep mode, memory retained µA WUC active, RC oscillator running, memory retained mA Device in PHY_OFF state, 26 MHz oscillator running, digital and synthesizer regulators active, all register values retained mA Device in PHY_ON state, 26 MHz oscillator running, digital, synthesizer, VCO, and RF regulators active, baseband filter calibration performed, all register values retained mA Device in PHY_RX state Average current consumption µA Autonomous reception every 1 sec, with receive dwell time of 1.25 ms, using RC oscillator, Radio Profile B µA Autonomous reception every 1 sec, with receive dwell time of 0.5 ms, using RC oscillator, Radio Profile F Rev. B \| Page 10 of 24 11 Page

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