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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.

RESOURCES & TOOLS

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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


* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
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