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ADF7241

Part Number	ADF7241
Manufacturer	Analog Devices
Description	Low Power IEEE 802.15.4 Zero-IF 2.4GHz Transceiver
Published	Mar 10, 2011
Detailed Description	Low Power IEEE 802.15.4 Zero-IF 2.4 GHz Transceiver IC ADF7241 FEATURES Frequency range (global ISM band) 2400 MHz to 2...
Datasheet	ADF7241 PDF File

Overview

Low Power IEEE 802.
15.
4 Zero-IF 2.
4 GHz Transceiver IC ADF7241 FEATURES Frequency range (global ISM band) 2400 MHz to 2483.
5 MHz IEEE 802.
15.
4-2006-compatible (250 kbps) Low power consumption 19 mA (typical) in receive mode 21.
5 mA (typical) in transmit mode (PO = 3 dBm) 1.
7 µA, 32 kHz crystal oscillator wake-up mode High sensitivity −95 dBm at 250 kbps Programmable output power −20 dBm to +4.
8 dBm in 2 dB steps Integrated voltage regulators 1.
8 V to 3.
6 V input voltage range Excellent receiver selectivity and blocking resilience Zero-IF architecture Complies with EN300 440 Class 2, EN300 328, FCC CFR47 Part 15, ARIB STD-T66 Digital RSSI measurement Fast automatic VCO calibration Automatic RF synthesizer bandwidth optimization On-chip low power processor performs Radio control Packet management Packet management support Insertion/detection of preamble address/SFD/FCS IEEEE 802.
15.
4-2006 frame filtering IEEEE 802.
15.
4-2006 CSMA/CA unslotted modes Flexible 256-byte transmit/receive data buffer SPORT mode Flexible multiple RF port interface External PA/LNA support hardware Switched antenna diversity support Wake-up timer Very few external components Integrated PLL loop filter, receive/transmit switch, battery monitor, temperature sensor, 32 kHz RC and crystal oscillators Flexible SPI control interface with block read/write access Small form factor 5 mm × 5 mm 32-lead LFCSP package APPLICATIONS Wireless sensor networks Automatic meter reading/smart metering Industrial wireless control Healthcare Wireless audio/video Consumer electronics ZigBee ADF7241 LNA1 LNA2 FUNCTIONAL BLOCK DIAGRAM DAC ADC ADC DAC DSSS DEMOD AGC OCL CDR 8-BIT PROCESSOR RADIO CONTROLLER PACKET MANAGER PA FRACTIONAL-N RF SYNTHESIZER PRE-EMPHASIS FILTER WAKE-UP CTRL 4kB PROGRAM ROM 2kB PROGRAM RAM 256-BYTE PACKET RAM 64-BYTE BBRAM 256-BYTE MCR SPI LDO × 4 BIAS BATTERY TEMPERATURE MONITOR SENSOR 26MHz OSC 32kHz RC OSC 32kHz XTAL OSC GPIO SPORT IRQ 09322-001 Figure 1.
Rev.
A Infor...

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