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LTC1442 - 典型应用图例：
LTC1442典型应用图例一
LTC1442典型应用图例二
LTC1442 - 封装图解：
LTC1442封装图解一
LTC1442封装图解二
LTC1442封装图解三
LTC1442封装图解四
LTC1442封装图解五
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LINEAR产品 - LTC1442介绍

LTC1442 - LTC1442是Ultralow Power Single/Dual Comparator with Reference

LTC1442是LINEAR凌力尔特公司的一款微功率比较器产品，LTC1442是LTC1442是Ultralow Power Single/Dual Comparator with Reference，本站介绍了LTC1442的封装应用图解、特点和优点、功能等，并给出了与LTC1442相关的LINEAR元器件型号供参考。

LTC1442 - LTC1442是Ultralow Power Single/Dual Comparator with Reference - 微功率比较器 - 信号调理 - 凌力尔特

LTC1442 - Ultralow Power Single/Dual Comparator with Reference

LTC1442 - Ultralow Power Single/Dual Comparator with Reference - Linear Technology（凌力尔特）

功能描述

The LTC1440/LTC1441/LTC1442 are ultralow power single and dual comparators with built-in references. The comparators feature less than 3.7μA supply current over temperature (LTC1440), a 1.182V ±1% reference, programmable hysteresis (LTC1440/LTC1442) and TTL/CMOS outputs that sink and source current. The reference output can drive a bypass capacitor of up to 0.01μF without oscillation.

The comparators operate from a single 2V to 11V supply or a dual ±1V to ±5.5V supply (LTC1440). Comparator hysteresis is easily programmed by using two resistors and the HYST pin (LTC1440/LTC1442). Each comparator’s input operates from the negative supply to within 1.3V of the positive supply. The comparator output stage can continuously source up to 40mA. By eliminating the cross-conducting current that normally happens when the comparator changes logic states, the power supply glitches are eliminated.

The LTC1440 is available in 8-pin PDIP, SO, MSOP and DFN packages. The LTC1441/LTC1442 are available in 8-pin PDIP and SO packages.

特点
  • Ultralow Quiescent Current: 2.1μA Typ (LTC1440)
  • Reference Output Drives 0.01μF Capacitor
  • Adjustable Hysteresis (LTC1440/LTC1442)
  • Wide Supply Range:?Single: 2V to 11V?Dual: ±1V to ±5.5V
  • Input Voltage Range Includes the Negative Supply
  • TTL/CMOS Compatible Outputs
  • 12μs Propagation Delay with 10mV Overdrive
  • No Crowbar Current
  • 40mA Continuous Source Current
  • Pin Compatible Upgrades for MAX921/922/923
  • 3mm x 3mm x 0.75mm DFN Package (LTC1440)
    • 应用
  • Battery-Powered System Monitoring
  • Threshold Detectors
  • Window Comparators
  • Oscillator Circuits
    • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LTC1442CN8 N-8 C $2.60 $2.20
    LTC1442CN8#PBF N-8 C $2.60 $2.20
    LTC1442CS8 SO-8 C $2.60 $2.20
    LTC1442CS8#PBF SO-8 C $2.60 $2.20
    LTC1442CS8#TR SO-8 C $2.26
    LTC1442CS8#TRPBF SO-8 C $2.26
    LTC1442IN8 N-8 I $3.10 $2.60
    LTC1442IN8#PBF N-8 I $3.10 $2.60
    LTC1442IS8 SO-8 I $3.10 $2.60
    LTC1442IS8#PBF SO-8 I $3.10 $2.60
    LTC1442IS8#TR SO-8 I $2.66
    LTC1442IS8#TRPBF SO-8 I $2.66
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  • LT3080 - 可调 1.1A、单电阻、低压差稳压器
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  • LTC1998 - 用于电池监视的 2.5μA、1% 准确度、SOT-23 封装比较器和电压基准
  • LTC1444 - 具基准的超低功率、四通道比较器
  • LT1011 / LT1011A - 电压比较器
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