ADF70240 pages

Easy to Use, Low Power, Sub GHz,
ISM/SRD, FSK/GFSK, Transceiver IC
ADF7024

Data Sheet
FEATURES

Receiver performance
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

RF frequency 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 (patent pending)
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
On-chip, 8-bit analog-to-digital converter (ADC)
5 mm × 5 mm, 32-lead LFCSP package

APPLICATIONS
Wireless sensor networks (WSNs)
Home and building automation
Asset tracking
Process and building control
Industrial control
Internet of Things (IoT)

FUNCTIONAL BLOCK DIAGRAM
IRQ
CTRL

LNA

RFI_P

LOW IF
RECEIVER

RFI_N

ADF7024
RFO
LDO (1 TO 4)

PA

DIGITAL
BASEBAND,
PACKET
HANDLER,
AND
MEMORY

SYNTHESIZER

IRQ_GP3
CS
MISO

SPI

SCLK
MOSI

TRANSMITTER
GPx

GPx

BIAS

TEMPERATURE
SENSOR

BATTERY
MONITOR

32kHz
RC OSC

SMART WAKE
CONTROLLER

26MHz
OSC

CREGx RBIAS

XOSC26P,
XOSC26N

12027-001

2

Figure 1.

Rev. A

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