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AD5422 Datasheet (PDF) - Analog Devices

AD5422 Datasheet PDF - Analog Devices
Part # AD5422
Download  AD5422 Download

File Size   502.8 Kbytes
Page   20 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description Low Power HART Modem

AD5422 Datasheet (PDF)

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AD5422 Datasheet PDF - Analog Devices

Part # AD5422
Download  AD5422 Click to download

File Size   502.8 Kbytes
Page   20 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description Low Power HART Modem

AD5422 Datasheet (HTML) - Analog Devices

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AD5422 Product details

GENERAL DESCRIPTION
The AD5700/AD5700-1 are single-chip solutions, designed and specified to operate as a HART® FSK half-duplex modem, complying with the HART physical layer requirements. The AD5700/AD5700-1 integrateall of the necessary filtering, signal detection, modulating, demodulating and signal generation functions, thus requiring few external components. The 0.5% precision internal oscillator on the AD5700-1 greatly reduces the board space requirements, making it ideal for line-powered applications in both master and slave configurations. The maximum supply current consumption is 115µA, making the AD5700/AD5700-1 an optimal choicefor lowpower loop-powered applications. Transmit waveforms are phase continuous 1200 Hz and 2200 Hz sinusoids. The AD5700/AD5700-1 contain accurate carrier detect circuitry and use a standard UART interface.

FEATURES
   HART-compliant fully integrated FSK modem
   1200 Hz and 2200 Hz sinusoidal shift frequencies
   115 µA maximum supply current in receive mode
   Suitable for intrinsically safe applications
   Integrated receive band-pass filter
      Minimal external components required
   Clocking optimized for various system configurations
      Ultralow power crystal oscillator (60 µA maximum)
      External CMOS clock source
      Precision internal oscillator (AD5700-1only)
   Buffered HART output—extra drive capability
   8 kV HBM ESD rating
   1.71 V to 5.5 V power supply
   1.71 V to 5.5 V interface
   −40°C to +125°C operation
   4 mm × 4 mm LFCSP package
   HART physical layer compliant
   UART interface

APPLICATIONS
   Field transmitters
   HART multiplexers
   PLC and DCS analog I/O modules
   HART network connectivity




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About Analog Devices


Analog Devices, Inc. (ADI) is a publicly traded company that designs, develops, and manufactures high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).
The company was founded in 1965 and is headquartered in Norwood, Massachusetts.
ADI serves a wide range of industries, including aerospace and defense, automotive, communications, consumer, industrial, medical, and test and measurement.
The company's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and radio frequency (RF) and microwave components, among others.
ADI is dedicated to innovation and customer satisfaction, and is committed to providing its customers with high-quality, reliable solutions to meet their needs.
With a focus on energy efficiency and sustainability, ADI is a leader in the analog and mixed-signal IC industry, driving technological advancements and providing innovative solutions to the world's most challenging problems.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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