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IA4420, IA4420B, IA4420CX6

IA4420, IA4420B, IA4420CX6 Selling Leads, Datasheet

MFG:IAI  Package Cooled:TSSOP16  D/C:09+

IA4420, IA4420B, IA4420CX6 Picture

IA4420, IA4420B, IA4420CX6 Datasheet download

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Part Number: IA4420

 

MFG: IAI

Package Cooled: TSSOP16

D/C: 09+

 

 

 
 
 
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IA4420 General Description

Integration's IA4420 is a single chip, low power, multi-channel FSK transceiver designed for use in applications requiring FCC or ETSI conformance for unlicensed use in the 315, 433, 868 and 915 MHz bands. The IA4420 transceiver is a part of Integration's EZRadioTM product line, which produces a flexible, low cost, and highly integrated solution that does not require production alignments. The chip is a complete analog RF and baseband transceiver including a multi-band PLL synthesizer with PA, LNA, I/Q down converter mixers, baseband filters and amplifiers, and an I/Q demodulator. All required RF functions are integrated. Only an external crystal and bypass filtering are needed for operation.

The IA4420 features 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 receiver aseband bandwidth (BW) is programmable to accommodate various deviation, data rate and crystal tolerance requirements. The transceiver employs the Zero-IF approach with I/Q demodulation. Consequently, no external components (except crystal and decoupling) are needed in most applications.

The IA4420 dramatically reduces the load on the microcontroller with the integrated digital data processing features: data filtering, clock recovery,data pattern recognition, integrated FIFO and TX data register. The automatic frequency control (AFC) feature allows the use of a low accuracy (low cost) crystal. To minimize the system cost, the IA4420 can provide a clock signal for the microcontroller, avoiding the need for two crystals. For low power applications, the IA4420 supports low duty cycle operation based on the internal wake-up timer.

IA4420 Maximum Ratings

Symbol
Parameter
Min
Max
Units
Vdd
Positive supply voltage
-0.5
6
V
Vin
Voltage on any pin (except RF1 and RF2)
-0.5
Vdd+0.5
V
Voc
Voltage on open collector outputs (RF1, RF2)
-0.5
Vdd+1.5 (Note 1)
V
Iin
Input current into any pin except VDD and VSS
-25
25
mA
ESD
Electrostatic discharge with human body model
1000
V
Tst
Storage temperature
-55
125
Tld
Lead temperature (soldering, max 10 s)
260

IA4420 Features

• Fully integrated (low BOM, easy design-in)
• No alignment required in production
• Fast-settling, programmable, high-resolution PLL synthesizer
• Fast frequency-hopping capability
• High bit rate (up to 115.2 kbps in digital mode and 256 kbps in analog mode)
• Direct differential antenna input/output
• Integrated power amplifier
• Programmable TX frequency deviation (15 to 240 KHz)
• Programmable RX baseband bandwidth (67 to 400 kHz)
• Analog and digital RSSI outputs
• Automatic frequency control (AFC)
• Data quality detection (DQD)
• Internal data filtering and clock recovery
• RX synchron pattern recognition
• SPI compatible serial control interface
• Clock and reset signals for microcontroller
• 16 bit RX Data FIFO
• Two 8 bit TX data registers
• Low power duty cycle mode
• Standard 10 MHz crystal reference
• Wake-up timer
• 2.2 to 5.4 V supply voltage
• Low power consumption
• Low standby current (0.3 A)
• Compact 16 pin TSSOP package

IA4420 Typical Application

• Remote control
• Home security and alarm
• Wireless keyboard/mouse and other PC peripherals
• Toy controls
• Remote keyless entry
• Tire pressure monitoring
• Telemetry
• Remote automatic meter reading

IA4420 Connection Diagram

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