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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 Number of Tx/Rx Supply Voltage (V) Typ. ICC (mA) Data Rate (kbps) ESD Protection (±kV) Tx EN Rx EN Typ. Shutdown ICC (µA) Number of Rx/Tx on Bus Package Price**
    MAX3093E  4Rx 5 2.4 10,000 15 No Yes 0.001 128 PDIP(N)/16
    SOIC(N)/16
    TSSOP/16
    $1.23 @ 1k
    MAX3094E  3.3 $1.23 @ 1k
    See All RS-422/485 Line Driver/Receivers (159)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    参考文献: 19-1779; Rev. 2; 2002-11-08
    本页最后一次更新: 2008-10-07


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