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MAX8215, MAX8216
±5V、±12V (±15V)专用微处理器电压监视器


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概述
完整的数据资料 (PDF, 516kB)
英文 Download this datasheet in PDF format下载

The MAX8215 contains five voltage comparators; four are for monitoring +5V, -5V, +12V, and -12V, and the fifth monitors any desired voltage. The MAX8216 is identical, except it monitors ±15V supplies instead of ±12V. The resistors required to monitor these voltages and provide comparator hysteresis are included on-chip. All comparators have open-drain outputs. These devices consume 250µA max supply current over temperature.

关键特性   应用/使用
  • 4 Dedicated Comparators plus 1 Auxiliary Comparator
  • 5V Dedicated Comparator Has ±1.25% Accuracy
  • -5V, +12V, -12V, +15V, -15V Dedicated Comparators Have ±1.5% Accuracy
  • Overvoltage/Undervoltage Detection or Programmable Delay Using Auxiliary Comparator
  • Internal 1.24V Reference with ±1% Initial Accuracy
  • Wide Supply Range: 2.7V to 11V
  • Built-In Hysteresis
  • 250µA Max Supply Current Over Temp.
  • Independent Open-Drain Outputs
  • All Precision Components Included

 
  • 数据采集系统
  • 工业控制器
  • 工业设备
  • 微处理器电压监视器:+5V、-5V、+12V、-12V电源监控(MAX8215)与+5V、-5V、+15V、-15V电源监控(MAX8216)
  • 移动无线装置
  • 具有独立比较器的过压/欠压检测
  • 便携式仪表

    Key Specifications:   Supervisors (> 5 Monitored Voltages)
    Part Number Number of Monitored Voltages Interface Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) RoHS Available Package Operating Temp. Range (°C) Price**
    MAX8215  5 Factory Fixed 3.3 to 5.5
    >=5.5
    Open Drain Open Drain 85ms to 300ms No Watchdog Overvoltage/Window Monitor 1.5 250 Yes Ceramic DIP/14
    PDIP/14
    SOIC/14
    -40 to +125 $1.98 @ 1k
    MAX8216  $1.98 @ 1k
    See All Supervisors (> 5 Monitored Voltages) (19)
    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.

    图表
    MAX8215,MAX8216:典型工作电路
    典型工作电路

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    参考文献: 19-0169; Rev. 1; 2006-06-22
    本页最后一次更新: 2007-05-30



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