类比半导体推出集成比较器的高精度电流检测放大器CSA315系列

Release time:2023-05-26
author:Ameya360
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  致力于提供高品质芯片的国内优秀模拟及数模混合芯片设计商上海类比半导体技术有限公司(下称“类比半导体”或“类比”)宣布推出集成比较器的高精度电流检测放大器CSA315系列。该系列芯片支持模拟电压输出并集成双比较器和电压参考。CSA315系列能够在共模电压从-6V到80V的范围内对分流电阻上的电压进行检测,其带宽为420kHz,共模抑制比典型值为160dB。CSA315系列电流检放大器广泛适用于通信、消费电子、汽车等行业,包括感应负载电流监测、电池充电器电池监测、电容器充放电监测、汽车电流传感等终端场景。

  CSA315系列包含CSA315L、CSA315M、CSA315P三个产品系列,并分别对应20V/V、50V/V和100V/V的不同增益。CSA315集成有两路开漏比较器,内置0.6V参考电压。14引脚封装版本中,比较器的内部参考可以被外部输入所覆盖。比较器1具有闭锁功能,而比较器2的延迟可以通过外部电容进行编程设定。此外,14引脚版本还提供1.2V参考电压输出。

  产品特性

      >单芯片过流保护解决方案· 可用的三个增益选项:

  -20V / V(CSA315L)

  -50V / V(CSA315M)

  -100V / V(CSA315P)

  >双比较器:

  -比较器1:带闩锁功能

  -比较器2:可配置延迟

  >输入共模范围:-6V至80V· 共模抑制比:160dB(typ)

        >高精度:

  -最大偏移电压:±20μV(Max)

  -最大增益误差:±0.1% (Max)

  >带宽:420kHz (Typ)

      >静态电流:1.8mA (Typ)

      >封装:TSSOP-14,SOIC-14, MSOP-10

  CSA315系列电流检测放大器为单向电流分流器检测放大器,其最大偏移电压(典型值)为±20μV,最大增益误差为±0.1%,因此非常适合于高精度电流测量。CSA315支持-6V到80V的宽共模电压范围,单芯片过流保护解决方案可防止电池反向充电和高压尖峰。

类比半导体推出集成比较器的高精度电流检测放大器CSA315系列

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