概览

优势和特点

  • Processed in Compliance with LTC Certified MIL-PRF-38535 Class V Flow*
  • Very Wide, Over-the-Top, Input Common Mode Range
    • Extends 44V Above V– (Independent of V+)
    • Extends –0.3V Below V–
  • Wide Power Supply Range: 2.85V to 36V
  • Input Offset Voltage: 400μV Maximum
  • Gain Accuracy: 1% Maximum
  • Gain Configurable with External Resistors
  • High Impedance Sense Input When Powered Down

Radiation Performance*

  • Total Ionizing Dose (TID) Tolerance, per TM1019.8, MIL-STD-883:
    • 200kRad (Si), per condition A at 50Rads(Si)/sec
    • 50kRad (Si), per condition D at 10mRads(Si)/sec
    • ELDRS Pass 50kRad(Si)
  • Displacement Damage Defect (DDD) up to 1E12 Neutrons/cm2
* Radiation and Qualification completed on the packaging vendor’s assembled unit.

产品详情

The RH6105 is a micropower, precision current sense amplifier with a very wide input common mode range. The RH6105 monitors unidirectional current via the voltage across an external sense resistor. The input common mode range extends from –0.3V to 44V, with respect to the negative supply voltage (V–). This allows the RH6105 to operate as a high side current sense monitor or a low side current sense monitor. It also allows the RH6105 to monitor current on a negative supply voltage, as well as continuously monitor a battery from full charge to depletion. The inputs of RH6105 can withstand differential voltages up to ±44V, which makes it ideal for monitoring a fuse or MOSFET switch.

The RH6105 can operate from an independent power supply of 2.85V to 36V. When V+ is powered down, the sense pins are biased off. This prevents loading of the monitored circuit, irrespective of the sense voltage. The RH6105 is currently available only from MS Kennedy in packaged form.

Third Party Vendor Availability

Analog Devices partners with third party vendors who assemble and test packaged products with RH Dice inside.

or MSK prefix products please click on the Part Number in the table below and scroll down the linked page to find the part number.

Part Number Description
MSK196RH Rail To Rail Current Sense Amplifier
MSK496RH Quad Rail-To-Rail Current Sense Amplifier
MSK6000RH Dual High Side Driver with Current Sense

Applications

  • High Side or Low Side Current Sensing
  • Current Monitoring on Positive or Negative Supply Voltages
  • Battery Monitoring
  • Fuse/MOSFET Monitoring
  • Power Management

产品生命周期 icon-recommended 量产

该产品系列中至少有一个型号已量产并可供采购。该产品适合用于新设计,但也可能有更新的替代产品。

工具及仿真模型

LTspice

LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器,为改善模拟电路的仿真提供增强功能和模型。

LTspice

Models for the following parts are available in LTspice:

RH6105

设计资源

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