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 FUNCTIONAL BLOCK DIAGRAMS VCC ADM4850/ADM4851/ ADM4852/ADM4853 RO RE DE DI D 04931-001 R A B GND Figure 1. VCC ADM4854/ADM4855/ ADM4856/ADM4857 A RO R B Z DI D Y 04931-028 APPLICATIONS
Low power RS-485 applications EMI-sensitive systems DTE-DCE interfaces Industrial control Packet switching Local area networks Level translators GND Figure 2. GENERAL DESCRIPTION
The full-duplex ADM4854/ADM4855/ADM4856/ADM4857 transceivers have dedicated differential line driver outputs and receiver inputs.
Analog Devices
