Meixin Integrated
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MAX4375HEUB
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MAX4375HEUB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Current Sense Amplifier
  • Characteristics: High precision, low offset voltage, wide input voltage range
  • Package: 10 µMAX® package
  • Essence: The MAX4375HEUB is a current sense amplifier designed for accurate measurement of small currents in various applications.
  • Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Supply Voltage: 2.7V to 28V
  • Input Common Mode Voltage Range: -0.1V to +28V
  • Output Voltage Swing: 0V to VCC - 1.2V
  • Gain Bandwidth Product: 500kHz
  • Offset Voltage: ±100µV (max)
  • Quiescent Current: 50µA (typ)

Pin Configuration

The MAX4375HEUB has the following pin configuration:

```

| | --| IN+ OUT |-- --| IN- GND |-- --| REF VCC |-- |___________| ```

Functional Features

  • High accuracy current sensing
  • Low offset voltage for precise measurements
  • Wide input voltage range allows for versatile applications
  • Rail-to-rail output swing for maximum signal integrity
  • Low quiescent current for power efficiency

Advantages and Disadvantages

Advantages: - High precision current sensing - Wide input voltage range - Low offset voltage - Rail-to-rail output swing

Disadvantages: - Limited gain bandwidth product compared to some alternatives - Higher quiescent current compared to some alternatives

Working Principles

The MAX4375HEUB operates by amplifying the voltage drop across a sense resistor in series with the current being measured. This amplified voltage can then be used for accurate current measurements. The amplifier has a high gain and low offset voltage, ensuring precise results.

Application Field Plans

The MAX4375HEUB is suitable for various applications that require accurate current sensing, such as:

  1. Battery management systems
  2. Power supplies
  3. Motor control
  4. Current monitoring in industrial equipment
  5. Overcurrent protection circuits

Alternative Models

  • INA219: Similar current sense amplifier with higher gain bandwidth product.
  • LTC6101: Current sense amplifier with lower quiescent current.
  • AD8210: High precision current shunt monitor with digital output.

These alternative models offer different trade-offs in terms of specifications and features, allowing users to choose the most suitable option for their specific application.

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Énumérez 10 questions et réponses courantes liées à l'application de MAX4375HEUB dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MAX4375HEUB in technical solutions:

  1. Q: What is the MAX4375HEUB? A: The MAX4375HEUB is a high-side current-sense amplifier designed for precision measurement of bidirectional currents.

  2. Q: What is the operating voltage range of the MAX4375HEUB? A: The MAX4375HEUB operates from a single supply voltage ranging from 2.7V to 28V.

  3. Q: What is the maximum input offset voltage of the MAX4375HEUB? A: The maximum input offset voltage of the MAX4375HEUB is typically 500µV.

  4. Q: Can the MAX4375HEUB measure both positive and negative currents? A: Yes, the MAX4375HEUB can accurately measure both positive and negative currents flowing through the load.

  5. Q: What is the bandwidth of the MAX4375HEUB? A: The bandwidth of the MAX4375HEUB is typically 500kHz.

  6. Q: Does the MAX4375HEUB require an external shunt resistor? A: Yes, the MAX4375HEUB requires an external shunt resistor to sense the current.

  7. Q: What is the maximum shunt resistor value that can be used with the MAX4375HEUB? A: The maximum shunt resistor value that can be used with the MAX4375HEUB is 100mΩ.

  8. Q: Can the MAX4375HEUB operate in harsh environments? A: Yes, the MAX4375HEUB is designed to operate in industrial temperature ranges (-40°C to +125°C) and is suitable for harsh environments.

  9. Q: Does the MAX4375HEUB provide any fault detection features? A: Yes, the MAX4375HEUB includes a fault output that can be used to detect overcurrent or open-circuit conditions.

  10. Q: What is the package type of the MAX4375HEUB? A: The MAX4375HEUB is available in a 10-pin µMAX package, which is a small and space-saving package option.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.