ADM3488:  3.3 V Slew - Rate Limited, Full Duplex Low Power Transceiver

The ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 are low power, differential line transceivers designed to operate using a single 3.3 V power supply. Low power consumption, coupled with a shutdown mode, ...More

ADM3488:  3.3 V Slew - Rate Limited, Full Duplex Low Power Transceiver

Product Description

The ADM3483/ADM3485/ADM3488/ADM3490/ADM3491 are low power, differential line transceivers designed to operate using a single 3.3 V power supply. Low power consumption, coupled with a shutdown mode, makes the ADM3483/ADM3485/ADM3488/ ADM3490/ADM3491 ideal for power-sensitive applications.

The ADM3488/ADM3490/ADM3491 feature full-duplex com-munication, while the ADM3483/ADM3485 are designed for half-duplex communication.

The ADM3483/ADM3488 feature slew rate limited drivers that minimize EMI and reduce reflections caused by improperly ter-minated cables, allowing error-free data transmission at data rates up to 250 kbps.

The ADM3485/ADM3490/ADM3491 transmit at up to 10 Mbps. The receiver input impedance is 12 kΩ, allowing up to 32 trans-ceivers to be connected on the bus. A thermal shutdown circuit prevents excessive power dissipation caused by bus contention or by output shorting. If a significant temperature increase is detected in the internal driver circuitry during fault conditions, then the thermal shutdown circuit forces the driver output into a high impedance state. If the inputs are unconnected (floating), the receiver contains a fail-safe feature that results in a logic high output state. The parts are fully specified over the commercial and industrial temperature ranges. The ADM3483/ADM3485/ADM3488/ADM3490 are available in 8-lead SOIC_N; the ADM3491 is available in a 14-lead SOIC_N.

Applications

  • Low-Power RS-485 Applications
  • Telecom
  • Industrial Process Control
  • HVAC

    • Features

    • Operate with 3.3 V supply
    • Interoperable with 5 V logic
    • EIA RS-485/RS-422 Compliant over Full Common-Range
    • Data Rate Options: 250 kbps
    • Half and Full Duplex Options
    • Reduced Slew Rates for Low EMI
    • Up to 32 Transceivers on a Bus
    • -7V to +12V Bus Common Mode Range
    • Specified over –40°C to +85°C Temperature Range
    • Available in 8-Lead SOIC

    Diagrams

    ADM3488 Diagram
    Functional Block Diagram for ADM3488

    技术指标

    Isolation V (rms) ---
    Available Packages SOIC
    ESD-Protection ---
    Pwr Supply (Vnom) +3.3
    Data Rate 250kbps
    Full-Half Duplex Full
    # of Nodes On Bus 32
    Drvr/Rcvr Enable No
    Fail Safe Open

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    订阅新产品资料
    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
    ADN4667 +3 3.3 --- 15 kV 400Mbps - Yes - - SOIC, SOP $1.16 RS-485/LVDS
    ADN4668 +3 3.3 --- 15 kV 400Mbps - Yes - - SOIC, SOP $1.15 RS-485/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