NM485DC

NM485DC Series www.murata-ps.com Isolated Dual EIA-485 Driver and Receiver ELECTRICAL CHARACTERISTICS Parameter Test conditions Supply voltage, VCC High level input voltage, VIH Low level input voltage, VIL Common mode output voltage, VOC High level output current IOH Low level output current, IOL Common mode input voltage, VIC Differential input voltage, VID High level output current, IOH Low level output current, IOL FEATURES „ RoHS compliant DX ENABLE and D inputs Min. Typ. Max. Units 4.75 2.8 5.0 5.25 0.8 12 -60 60 ±12 ±12 -5.0 25 V V V V mA mA V V mA mA Max. Units 0.2 V V mV V V mA mA mA KΩ -7.0 Driver Receiver EACH RECEIVER ELECTRICAL CHARACTERISTICS „ Single 5V supply „ Thermal shutdown protection „ EIA-485 and CCITT V.28 compatible „ Dual differential driver and receiver „ Driver tri-state outputs active high enable „ Low Profile 24 pin DIL package style Parameter Test conditions High threshold differential input, VTH Low threshold differential input, VTL Input hysteresis, ΔVT High level output voltage, VOH Low level output voltage, VOL VO=2.7V, IO=-0.4mA VO=0.5V, IO=16mA Line input current, II Short circuit output current, IOS Input resistance, RI DESCRIPTION RECEIVER SWITCHING CHARACTERISTICS -0.2 2.7 0.8 1.0 -0.8 -15 12 Parameter Test conditions Propagation delay time L to H, TPLH Propagation delay time H to L, TPHL VID=-1.5V to 1.5V, CL=15pF Min. Typ. Max. Units 70 72 155 135 ns ns Max. Units RECEIVER FUNCTION TABLE Differential inputs A-B RXOUT VID≥0.2V -0.2V