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MAX4081TASA+T
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MAX4081TASA+T

Product Overview

Category

The MAX4081TASA+T belongs to the category of precision, high-side current-sense amplifiers.

Use

It is used for accurate measurement of current in various electronic circuits and systems.

Characteristics

  • High precision
  • High-side sensing
  • Wide input voltage range
  • Low offset voltage
  • Low quiescent current

Package

The MAX4081TASA+T is available in a surface-mount, 8-pin SOIC package.

Essence

The essence of MAX4081TASA+T lies in its ability to provide precise current measurements in a wide range of applications.

Packaging/Quantity

The MAX4081TASA+T is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 76V
  • Quiescent Current: 60µA
  • Offset Voltage: ±300µV
  • Gain Bandwidth Product: 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX4081TASA+T has the following pin configuration: 1. V+ 2. IN+ 3. IN- 4. VCC 5. OUT 6. REF 7. GND 8. V-

Functional Features

  • High-Side Sensing: Allows for accurate current measurements without disturbing ground potential.
  • Wide Input Voltage Range: Enables use in diverse power supply systems.
  • Low Offset Voltage: Ensures precise current measurements with minimal error.

Advantages

  • High precision and accuracy
  • Suitable for high-side current sensing
  • Wide operating temperature range

Disadvantages

  • Limited gain bandwidth product compared to some alternatives
  • Higher quiescent current compared to certain low-power applications

Working Principles

The MAX4081TASA+T operates by measuring the voltage drop across a shunt resistor placed in series with the load. This voltage is then amplified and converted into a proportional current measurement.

Detailed Application Field Plans

The MAX4081TASA+T is well-suited for applications such as: - Battery management systems - Power supplies - Motor control systems - Overcurrent protection circuits

Detailed and Complete Alternative Models

Some alternative models to MAX4081TASA+T include: - MAX4372TESD+: Offers lower quiescent current and higher gain bandwidth product - INA199A1QPWRQ1: Provides automotive-grade performance with similar functionality

In conclusion, the MAX4081TASA+T is a precision high-side current-sense amplifier that offers high accuracy and wide applicability in various electronic systems and circuits.

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Énumérez 10 questions et réponses courantes liées à l'application de MAX4081TASA+T dans les solutions techniques

  1. What is the MAX4081TASA+T?

    • The MAX4081TASA+T is a high-side current-sense amplifier with an input common-mode voltage range that extends from 4V to 76V, making it suitable for a wide range of applications.

  2. What is the typical application of MAX4081TASA+T?

    • The MAX4081TASA+T is commonly used in battery management systems, power supplies, motor control, and other applications where accurate current monitoring is required.

  3. What is the maximum supply voltage for MAX4081TASA+T?

    • The MAX4081TASA+T has a maximum supply voltage of 76V, allowing it to be used in high-voltage applications.

  4. What is the output voltage range of MAX4081TASA+T?

    • The output voltage range of MAX4081TASA+T is typically 0V to 4.096V, which can be further adjusted using external resistors.

  5. What is the bandwidth of MAX4081TASA+T?

    • The bandwidth of MAX4081TASA+T is typically 500kHz, enabling it to accurately capture fast-changing currents.

  6. How does the MAX4081TASA+T handle overcurrent conditions?

    • The MAX4081TASA+T features a built-in overcurrent detection and reporting function, which can be used to protect the system from excessive currents.

  7. What are the key features of MAX4081TASA+T?

    • Some key features of MAX4081TASA+T include low offset voltage, low quiescent current, wide input voltage range, and integrated fault detection.

  8. Can MAX4081TASA+T be used in automotive applications?

    • Yes, MAX4081TASA+T is suitable for automotive applications due to its high input voltage range and robust design.

  9. What are the recommended external components for using MAX4081TASA+T?

    • The MAX4081TASA+T typically requires a sense resistor and decoupling capacitors for proper operation.

  10. Is there a reference design available for MAX4081TASA+T?

    • Yes, Maxim Integrated provides reference designs and application notes to assist engineers in implementing MAX4081TASA+T in their technical solutions.