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ADM4852 Datasheet (PDF) - Analog Devices

ADM4852 Datasheet PDF - Analog Devices
Part No. ADM4852
Download  ADM4852 Click to view

File Size   438.54 Kbytes
Page   16 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers

ADM4852 Datasheet (PDF)

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ADM4852 Datasheet PDF - Analog Devices

Part No. ADM4852
Download  ADM4852 Click to view

File Size   438.54 Kbytes
Page   16 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description 5 V Slew-Rate Limited Half- and Full-Duplex RS-485/RS-422 Transceivers

ADM4852 Datasheet (HTML) - Analog Devices

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ADM4852 Product details

GENERAL DESCRIPTION
The ADM4850/ADM4851/ADM4852/ADM4853/ADM4854/ADM4855/ADM4856/ADM4857 are differential line transceivers suitable for high speed half- and full-duplex data communication on multipoint bus transmission lines. They are designed for balanced data transmission and comply with EIA Standards RS-485 and RS-422. The ADM4850/ADM4851/ADM4852/ADM4853 are half duplex transceivers that share differential lines and have separate enable inputs for the driver and receiver. The full-duplex ADM4854/ADM4855/ADM4856/ADM4857 transceivers have dedicated differential line driver outputs and receiver inputs.
The parts have a 1/8-unit-load receiver input impedance, which allows up to 256 transceivers on one bus. Because only one driver should be enabled at any time, the output of a disabled or powered-down driver is three-stated to avoid overloading the bus.
The receiver inputs have a true fail-safe feature, which ensures a logic high output level when the inputs are open or shorted. This guarantees that the receiver outputs are in a known state before communication begins and when communication ends. The driver outputs are slew-rate limited to reduce EMI and data errors caused by reflections from improperly terminated buses. Excessive power dissipation caused by bus contention or by output shorting is prevented with a thermal shutdown circuit.
The parts are fully specified over the commercial and industrial temperature ranges and are available in 8-lead SOIC, LFCSP (ADM4850/ADM4851/ADM4852/ADM4853), and MSOP (ADM4850 only) packages.

FEATURES
  EIA RS-485-/RS-422-compliant
  Data rate options
     ADM4850/ADM4854: 115 kbps
     ADM4851/ADM4855: 500 kbps
     ADM4852/ADM4856: 2.5 Mbps
     ADM4853/ADM4857: 10 Mbps
  Half- and full-duplex options
  Reduced slew rates for low EMI
  True fail-safe receiver inputs
  5 μA (maximum) supply current in shutdown mode
  Up to 256 transceivers on one bus
  Outputs high-Z when disabled or powered off
  −7 V to +12 V bus common-mode range
  Thermal shutdown and short-circuit protection
  Pin-compatible with the MAX308x
  Specified over the −40°C to +85°C temperature range
  Available in 8-lead SOIC, LFCSP, and MSOP packages
  Qualified for automotive applications
 
APPLICATIONS
  Low power RS-485 applications
  EMI-sensitive systems
  DTE-DCE interfaces
  Industrial control
  Packet switching
  Local area networks
  Level translators



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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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