Easy to Use, Low Power, Sub GHz,
ISM/SRD, FSK/GFSK, Transceiver IC
ADF7024
Data Sheet
Receiver performance
FEATURES
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
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
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
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)
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
Integrated battery alarm and temperature sensor
Integrated RC oscillator
APPLICATIONS
Wireless sensor networks (WSNs)
Home and building automation
ꢀ
sset tracking
Process and building control
Industrial control
Internet of Things (IoT)
On-chip, 8-bit analog-to-digital converter (ADC)
5 mm × 5 mm, 32-lead LFCSP
FUNCTIONAL BLOCK DIAGRAM
IRQ
LNA
IRQ_GP3
RFI_P
RFI_N
CTRL
LOW IF
RECEIVER
DIGITAL
BASEBAND,
PACKET
CS
MISO
SCLK
MOSI
SPI
ADF7024
SYNTHESIZER
TRANSMITTER
HANDLER,
AND
MEMORY
RFO
PA
GPx
GPx
TEMPERATURE BATTERY
32kHz
SMART WAKE
26MHz
OSC
BIAS
SENSOR
MONITOR RC OSC CONTROLLER
2
CREGx RBIAS
XOSC26P,
XOSC26N
Figure 1.
Rev. B
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