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ADM3491:  3.3V, Full Duplex, 10Mbps, EIA RS-485 Transceiver

The ADM3491 is a low power differential line transceiver designed to operate using a single +3.3 V power supply. Low power consumption coupled with a shutdown mode make it ideal for power sensitive applications. It is suitable for communication on multipoint bus transmission lines.

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  • Operate with 3.3 V supply
  • Interoperable with 5 V logic
  • EIA RS-422 and RS-485 compliant over full common-mode range
  • Data rate options: 10 Mbps
  • Half- and full-duplex options
  • 2 nA supply current in shutdown mode
  • Up to 32 transceivers on the bus
  • −7 V to +12 V bus common-mode range
  • Specified over the –40°C to +85°C temperature range
  • 8 ns skew
  • 14-lead SOIC packages
  • ESD-Protection: ---
  • Pwr Supply (Vnom): +3.3
  • Data Rate: 10Mbps
  • Full-Half Duplex: Full
  • # of Nodes On Bus: 32
  • Drvr/Rcvr Enable: Yes
  • Fail Safe: Open
  • Isolation V (rms): ---
  • Available Packages: DIP,SOIC,SOP

Functional Block Diagram for ADM3491

类似产品

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Part# Min Pos Supply Pwr Supply (Vnom) Full-Half Duplex ESD-Protection Data Rate # of Nodes On Bus Drvr/Rcvr Enable Fail Safe Isolation V (rms) Available Packages Price* (1000-4999) Protocols
ADM2482E +3 +3 to +5 & ISO +3 Full, Half 15 kV 16Mbps 256 Yes Open, Short 2.5 kV SOIC $4.66 RS-422, RS-485
ADM2484E +3 +3 to +5 & ISO +3 Full, Half 15 kV 500kbps 256 Yes Open, Short 5 kV SOIC $3.04 RS-422, RS-485
ADM2487E +3 +3 to +5 & ISO +3 Full, Half 15 kV 500kbps 256 Yes Open, Short 2.5 kV SOIC $3.64 RS-422, RS-485
ADM2491E +3 +3 to +5 & ISO +5 Full, Half 8 kV 16Mbps 32 Yes Open 5 kV SOIC $4.76 RS-422, RS-485
ADM2582E +3 3.3, 5 Full, Half 15 kV 16Mbps 256 Yes Open, Short 2.5 kV SOIC $6.50 RS-422, RS-485
ADM2587E +3 3.3, 5 Full, Half 15 kV 500kbps 256 Yes Open, Short 2.5 kV SOIC $5.50 RS-422, RS-485
ADN4668 +3 3.3 --- 15 kV 400Mbps - Yes - - SOIC, SOP $1.16 EIA-644, LVDS
ADM2490E +2.7 +3 to +5 & ISO +5 Full 8 kV 16Mbps 32 No Open 5 kV SOIC $4.55 RS-422, RS-485
ADM2483 +2.7 +3 to +5 & ISO +5 Half --- 500kbps 256 Yes Open, Short 2.5 kV SOIC $3.04 RS-485
ADM2485 +2.7 +3 to +5 & ISO +5 Half --- 16Mbps 50 Yes Open 2.5 kV SOIC $5.57 RS-422, RS-485
ADM2486 +2.7 +3 to +5 & ISO +5 Half --- 20Mbps 50 Yes Open 2.5 kV SOIC $5.04 RS-485
ADM3070E +3 3.3 Full 15 kV 250kbps 256 Yes Open, Short --- SOIC $1.62 RS-422, RS-485
ADM3071E +3 3.3 Full 15 kV 250kbps 256 No Open, Short --- SOIC $1.57 RS-422, RS-485
ADM3488E +3 3.3 Full 15 kV 250kbps 32 No Open --- SOIC $1.32 RS-422, RS-485
ADM3488 +3 3.3 Full --- 250kbps 32 No Open --- SOIC $0.91 RS-422, RS-485
ADM3074E +3 3.3 Full 15 kV 500kbps 256 No Open, Short --- SOIC $1.52 RS-422, RS-485
ADM3490 +3 3.3 Full --- 10Mbps 32 No Open --- SOIC $1.01 RS-422, RS-485
ADM3491 +3 3.3 Full --- 10Mbps 32 Yes Open --- DIP, SOIC, SOP $1.37 RS-422, RS-485
ADM3490E +3 3.3 Full 15 kV 12Mbps 32 No Open --- SOIC $1.37 RS-422, RS-485
ADM3491E +3 3.3 Full 15 kV 12Mbps 32 Yes Open --- SOIC $1.42 RS-422, RS-485
ADM3076E +3 3.3 Full 15 kV 16Mbps 256 Yes Open, Short --- SOIC $1.62 RS-422, RS-485
ADM3077E +3 3.3 Full 15 kV 16Mbps 256 No Open, Short --- SOIC $1.57 RS-422, RS-485
ADM3072E +3 3.3 Half 15 kV 250kbps 256 Yes Open, Short --- SOIC $1.52 RS-422, RS-485
ADM3483E +3 3.3 Half 15 kV 250kbps 32 Yes Open --- SOIC $1.32 RS-422, RS-485
ADM3493 +3 3.3 Half --- 250kbps 256 Yes Open --- SOIC $0.96 RS-422, RS-485
ADM3483 +3 3.3 Half --- 250kbps 32 Yes Open --- SOIC $0.91 RS-422, RS-485
ADM3073E +3 3.3 Half 15 kV 500kbps 256 Yes Open, Short --- SOIC $1.62 RS-422, RS-485
ADM3075E +3 3.3 Half 15 kV 500kbps 256 Yes Open, Short --- SOIC $1.52 RS-422, RS-485
ADM3486E +3 3.3 Half 15 kV 2.5Mbps 32 Yes Open --- SOIC $1.32 RS-422, RS-485
ADM3485 +3 3.3 Half --- 10Mbps 32 Yes Open --- SOIC $1.01 RS-422, RS-485
ADM3485E +3 3.3 Half 15 kV 12Mbps 50 Yes Open --- DIP, SOIC $1.32 RS-422, RS-485
ADM3078E +3 3.3 Half 15 kV 16Mbps 256 Yes Open, Short --- SOIC $1.55 RS-422, RS-485
ADM488 +4.5 5 Full --- 250kbps 32 No Open --- DIP, SOIC $1.11 RS-422, RS-485
ADM489 +4.5 5 Full --- 250kbps 32 Yes Open --- DIP, SOIC, SOP $1.62 RS-422, RS-485
ADM483E +4.5 5 Half 15 kV 250kbps 32 Yes Open --- DIP, SOIC $1.27 RS-422, RS-485
ADM4854 +4.75 5 Full --- 115kbps 256 No Open, Short --- SOIC $0.71 RS-422, RS-485
ADM4855 +4.75 5 Full --- 500kbps 256 No Open, Short --- SOIC $0.71 RS-422, RS-485
ADM4856 +4.75 5 Full --- 2.5Mbps 256 No Open, Short --- SOIC $0.71 RS-422, RS-485
ADM4857 +4.75 5 Full --- 10Mbps 256 No Open, Short --- SOIC $0.71 RS-422, RS-485
ADM4850 +4.75 5 Half --- 115kbps 256 Yes Open, Short --- CSP, MSOP, SOIC $0.71 RS-422, RS-485
ADM487E +4.75 5 Half 15 kV 250kbps 128 Yes Open --- SOIC $1.32 RS-422, RS-485
ADM483 +4.75 5 Half --- 250kbps 32 Yes Open --- SOIC $0.67 RS-422, RS-485
ADM4851 +4.75 5 Half --- 500kbps 256 Yes Open, Short --- CSP, SOIC $0.71 RS-422, RS-485
ADM1487E +4.75 5 Half 15 kV 2.5Mbps 128 Yes Open --- SOIC $1.32 RS-422, RS-485
ADM485E +4.75 5 Half 15 kV 2.5Mbps 32 Yes Open --- SOIC $1.32 RS-422, RS-485
ADM4852 +4.75 5 Half --- 2.5Mbps 256 Yes Open, Short --- CSP, SOIC $0.71 RS-422, RS-485
ADM485 +4.75 5 Half --- 5Mbps 32 Yes Open --- DIP, SOIC, SOP $1.31 RS-422, RS-485
ADM4853 +4.75 5 Half --- 10Mbps 256 Yes Open, Short --- CSP, SOIC $0.71 RS-422, RS-485
ADM1486 +4.75 5 Half --- 30Mbps 50 Yes Open --- SOIC $2.07 RS-422, RS-485
ADM1485 +4.75 5 Half --- 30Mbps 32 Yes Open --- DIP, SOIC, SOP $1.63 RS-422, RS-485
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Table Default Sort is Power Supply (Ascending) then Full/Half Duplex Ascending


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