Meixin Integrated
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MAX4714EXT+T
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MAX4714EXT+T

Product Overview

  • Category: Integrated Circuits
  • Use: Current Sense Amplifier
  • Characteristics: High accuracy, low power consumption
  • Package: 6-pin SOT23
  • Essence: Measures and amplifies current signals
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Input Common Mode Voltage Range: -0.1V to VDD + 0.1V
  • Output Voltage Swing: 0V to VDD
  • Gain Accuracy: ±0.5%
  • Quiescent Current: 60µA (typical)
  • Bandwidth: 500kHz (typical)

Pin Configuration

The MAX4714EXT+T has the following pin configuration:

  1. IN-: Negative input terminal for current sensing
  2. IN+: Positive input terminal for current sensing
  3. GND: Ground reference
  4. OUT: Amplified output voltage
  5. SET: Gain-setting resistor connection
  6. VDD: Power supply voltage

Functional Features

  • Measures and amplifies current signals accurately
  • Low power consumption for energy-efficient applications
  • Wide supply voltage range for versatile usage
  • High gain accuracy ensures precise current measurements
  • Small package size allows for space-saving designs

Advantages

  • High accuracy in current sensing applications
  • Low power consumption extends battery life
  • Wide supply voltage range enables compatibility with various systems
  • Small package size saves board space

Disadvantages

  • Limited bandwidth may not be suitable for high-frequency applications
  • Requires an external gain-setting resistor for customization

Working Principles

The MAX4714EXT+T is a current sense amplifier that measures and amplifies current signals. It operates by converting the input current into a proportional voltage output. The gain of the amplifier can be adjusted by connecting an external resistor to the SET pin. This allows for customization and fine-tuning of the amplification factor.

Detailed Application Field Plans

The MAX4714EXT+T is commonly used in various applications, including:

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

Alternative Models

  • MAX4080SASA+: Single-Supply, High-Side Current-Sense Amplifier
  • INA219AIDCNR: Bidirectional Current/Power Monitor with I2C Interface
  • LTC6101AIS5#TRMPBF: High-Side Current Sense Amplifier with Comparator

These alternative models offer similar functionality and can be considered as alternatives to the MAX4714EXT+T.

In conclusion, the MAX4714EXT+T is a current sense amplifier that provides accurate current measurements with low power consumption. Its small package size and wide supply voltage range make it suitable for various applications. However, its limited bandwidth and requirement for an external gain-setting resistor should be taken into consideration.

10个与MAX4714EXT+T在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of MAX4714EXT+T in technical solutions:

  1. Q: What is the MAX4714EXT+T? A: The MAX4714EXT+T is a high-side current-sense amplifier with an integrated precision shunt resistor.

  2. Q: What is the purpose of the MAX4714EXT+T? A: The MAX4714EXT+T is designed to accurately measure current flowing through a load in various technical applications.

  3. Q: How does the MAX4714EXT+T work? A: The MAX4714EXT+T measures the voltage drop across its internal shunt resistor to determine the current flowing through it.

  4. Q: What is the maximum current that the MAX4714EXT+T can measure? A: The MAX4714EXT+T can measure currents up to ±3A.

  5. Q: Can the MAX4714EXT+T be used in both AC and DC applications? A: Yes, the MAX4714EXT+T can be used in both AC and DC applications.

  6. Q: Does the MAX4714EXT+T require an external power supply? A: Yes, the MAX4714EXT+T requires a single positive power supply between 2.7V and 28V.

  7. Q: Is the MAX4714EXT+T suitable for automotive applications? A: Yes, the MAX4714EXT+T is suitable for automotive applications due to its wide operating voltage range and robust design.

  8. Q: Can the MAX4714EXT+T provide accurate measurements at low currents? A: Yes, the MAX4714EXT+T has a low offset voltage and low input bias current, allowing for accurate measurements even at low currents.

  9. Q: Does the MAX4714EXT+T have any built-in protection features? A: Yes, the MAX4714EXT+T has built-in overvoltage and reverse-voltage protection to safeguard against potential damage.

  10. Q: What is the package type of the MAX4714EXT+T? A: The MAX4714EXT+T is available in a 16-pin TQFN package.

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