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IA4320

Interation
Part Number IA4320
Manufacturer Interation
Description Universal ISM Band FSK Transceiver
Published Jan 18, 2006
Detailed Description IA4320 Universal ISM Band e FSK Receiver Sh DESCRIPTION Integration’s IA4320 is a single chip, low power, multi-channel ...
Datasheet PDF File IA4320 PDF File

IA4320
IA4320

Overview
IA4320 Universal ISM Band e FSK Receiver Sh DESCRIPTION Integration’s IA4320 is a single chip, low power, multi-channel FSK receiver designed for use in applications requiring FCC or ETSI conformance for unlicensed use in the 315, 433, 868, and 915 MHz bands.
Used in conjunction with IA4220/21, Integration Associates’ FSK transmitters, the IA4320 is a flexible, low cost, and highly integrated solution that does not require production alignments.
All required RF functions are integrated.
Only an external crystal and bypass filtering are needed for operation.
4 t e U .
m o c WIRELESS DATASHEET IA4320 PIN ASSIGNMENT FCS0 FBS0 FBS1 OUT0 OUT1 OUT2 OUT3 LPDM FCS3 FCS2 VDD IN1 IN2 VSS FCS1 XTL SDI SCK nSEL FFIT/SDO nIRQ DATA/nFFS DCLK/CFIL/FFIT CLK VDI ARSSI VDD IN1 IN2 VSS nRES XTL w w w .
D a t a The IA4320 has a completely integrated PLL for easy RF design, and its rapid settling time allows for fast frequency hopping, bypassing multipath fading, and interference to achieve robust wireless links.
The PLL’s high resolution allows the usage of multiple channels in any of the bands.
The baseband bandwidth (BW) is programmable to accommodate various deviation, data rate, and crystal tolerance requirements.
The receiver employs the Zero-IF approach with I/Q demodulation, therefore no external components (except crystal and decoupling) are needed in a typical application.
The IA4320 is a complete analog RF and baseband receiver including a multi-band PLL synthesizer with an LNA, I/Q down converter mixers, baseband filters and amplifiers, and I/Q demodulator.
The chip dramatically reduces the load on the microcontroller with integrated digital data processing: data filtering, clock recovery, data pattern recognition and integrated FIFO.
The automatic frequency control (AFC) feature allows using a low accuracy (low cost) crystal.
To minimize the system cost, the chip can provide a clock signal for the microcontroller, avoiding the need for two crystals.
Standalone ...


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