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LT1791CS Fiches technique(PDF) 16 Page - Linear Technology |
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LT1791CS Fiches technique(HTML) 16 Page - Linear Technology |
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16 / 16 page ![]() LT1785/LT1785A/ LT1791/LT1791A 16 178591fb Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 1998 LT 0608 REV B • PRINTED IN USA RELATED PARTS TYPICAL APPLICATION PART NUMBER DESCRIPTION COMMENTS LTC485 Low Power RS485 Interface Transceiver ICC = 300μA (Typ) LTC491 Differential Driver and Receiver Pair ICC = 300μA LTC1483 Ultralow Power RS485 Low EMI Transceiver Controlled Driver Slew Rate LTC1485 Differential Bus Transceiver 10Mbaud Operation LTC1487 Ultralow Power RS485 with Low EMI, Shutdown and High Input Impedance Up to 256 Transceivers on the Bus LTC1520 50Mbps Precision Quad Line Receiver Channel-to-Channel Skew 400ps (Typ) LTC1535 Isolated RS485 Full-Duplex Transceiver 2500VRMS Isolation in Surface Mount Package LTC1685 52Mbps RS485 Half-Duplex Transceiver Propagation Delay Skew 500ps (Typ) LTC1687 52Mbps RS485 Full-Duplex Transceiver Propagation Delay Skew 500ps (Typ) Figure 10. Half-Duplex RS485 Network Operation 4 3 2 1 A B 7 6 RO RE DE DI 178591 F10 RX TX RT 120Ω RT 120Ω LT1785 4 3 2 1 A B 7 6 RO RE DE DI RX TX LT1785 4 3 2 1 A B 7 6 RO RE DE DI 4 3 2 1 A B 7 6 RO RE DE DI LT1785 LT1785 4 3 2 1 A B 7 8 VCC 5 6 RO RE DE DI RX TX RT,120Ω 178591 F11 0.1μF 300V 47Ω 1.5KE36CA 47Ω CARBON COMPOSITE 5W LT1785 RAYCHEM POLYSWITCH TR600-150 × 2 Figure 11. RS485 Network with 120V AC Line Fault Protection |
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