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RS-422/RS-485 Interface IC


The ADM4850/ADM4851/ADM4852/ ADM4853ARZ /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 halfduplex 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. ADM4853ARZ Features • 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

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