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MAX3093E, MAX3094E
±15kV ESD保护、10Mbps、3V/5V、低功耗四路RS-422/RS-485接收器

低功耗、具有ESD保护的34C86引脚兼容升级产品


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概述
完整的数据资料 (PDF, 188kB)
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The MAX3093E/MAX3094E are rugged, low-power, quad, RS-422/RS-485 receivers featuring electrostatic discharge (ESD) protection for use in harsh environments. All receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3093E operates from a +5V supply, while the MAX3094E operates from a +3.3V supply. Receiver propagation delays are guaranteed to within ±8ns of a predetermined value, thereby ensuring device-to-device matching across production lots.

The devices feature a 1nA low-power shutdown mode in which the receiver outputs are high impedance. When active, these receivers have a fail-safe feature that guarantees a logic-high output if the input is open circuit. They also have a quarter-unit-load input impedance that allows 128 receivers on a bus.

The MAX3093E/MAX3094E are pin-compatible, low-power upgrades to the industry-standard '34C86. They are available in space-saving TSSOP, narrow SO, and PDIP packages.

关键特性   应用/使用
  • ESD Protection
    • ±15kV—IEC 1000-4-2 Air-Gap Discharge
    • ±8kV—IEC 1000-4-2 Contact Discharge
    • ±15kV—Human Body Model
  • Guaranteed Propagation-Delay Tolerance Between All ICs
    • ±8ns (MAX3093E)
    • ±10ns (MAX3094E)
  • Single +3V Operation (MAX3094E)
  • Single +5V Operation (MAX3093E)
  • 16-Pin TSSOP
  • 10Mbps Data Rate
  • Allow up to 128 Receivers on the Bus
  • 1nA Low-Power Shutdown Mode
  • 2.4mA Operating Supply Current
  • Pin-Compatible Upgrades to '34C86

 
  • 电平转换器
  • ESD敏感应用的接收器
  • 嘈杂环境的RS-422/RS-485/RS-423总线接收器
  • 电信设备

    Key Specifications:  RS-422/485 Line Driver/Receivers
    Part Number Tx/Rx VSUPPLY
    (V)
    ICC
    (mA)
    Data Rate
    (kbps)
    ESD Protect.
    (±kV)
    Tx EN Rx EN ICC (Shutdn.)
    (µA)
    Rx/Tx on Bus Package/Pins Price
    typ min typ See Notes
    MAX3093E  4Rx 5 2.4 10000 15 No Yes 0.001 128
    PDIP(N)/16
    SOIC(N)/16
    TSSOP/16
    $1.23 @1k
    MAX3094E  3.3
    PDIP(N)/16
    SOIC(N)/16
    TSSOP/16
    $1.23 @1k
    查看所有RS-422/485 Line Driver/Receivers (159)

    图表
    MAX3093E、MAX3094E:功能框图
    功能框图

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    参考文献: 19-1779; Rev. 2; 2002-11-08
    本页最后一次更新: 2009-10-26


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