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MAX4373HEUA-T
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MAX4373HEUA-T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Current Sense Amplifier
  • Characteristics: High accuracy, low offset voltage, wide input voltage range
  • Package: 8-pin µMAX® package
  • Essence: Amplifies small differential voltages across a shunt resistor to measure current
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Input Common Mode Voltage Range: -0.1V to +28V
  • Output Voltage Swing: 0V to VCC-1.2V
  • Gain Bandwidth Product: 500kHz
  • Quiescent Current: 50µA
  • Offset Voltage: ±150µV (max)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX4373HEUA-T has the following pin configuration:

  1. IN-
  2. IN+
  3. GND
  4. VCC
  5. OUT
  6. REF
  7. NC
  8. NC

Functional Features

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

Advantages and Disadvantages

Advantages: - High accuracy enables precise current measurements - Wide input voltage range accommodates diverse applications - Low offset voltage ensures accurate readings - Rail-to-rail output swing provides maximum signal integrity - Low quiescent current minimizes power consumption

Disadvantages: - Limited number of pins restricts additional functionality - Requires external shunt resistor for current sensing

Working Principles

The MAX4373HEUA-T is a current sense amplifier that amplifies small differential voltages across a shunt resistor to measure current. It operates by comparing the voltage drop across the shunt resistor with a reference voltage. The amplified output voltage is proportional to the input current, allowing accurate current measurements.

Detailed Application Field Plans

The MAX4373HEUA-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

Detailed and Complete Alternative Models

  1. INA219: High-side current/power monitor with I2C interface
  2. LTC6101: Precision high-side current sense amplifier
  3. AD8210: High common-mode voltage difference amplifier
  4. MAX4080: Precision high-side current-sense amplifier
  5. MCP6V01: Zero-drift operational amplifier with low offset voltage

These alternative models offer similar functionality and can be considered as alternatives to the MAX4373HEUA-T.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX4373HEUA-T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX4373HEUA-T in technical solutions:

  1. Q: What is the MAX4373HEUA-T? A: The MAX4373HEUA-T is a high-side current-sense amplifier designed for precision measurement of bidirectional currents.

  2. Q: What is the operating voltage range of MAX4373HEUA-T? A: The operating voltage range of MAX4373HEUA-T is typically between 2.7V and 28V.

  3. Q: What is the maximum input offset voltage of MAX4373HEUA-T? A: The maximum input offset voltage of MAX4373HEUA-T is typically ±500µV.

  4. Q: Can MAX4373HEUA-T measure both positive and negative currents? A: Yes, MAX4373HEUA-T can accurately measure both positive and negative currents.

  5. Q: What is the typical gain of MAX4373HEUA-T? A: The typical gain of MAX4373HEUA-T is 20V/V.

  6. Q: Is MAX4373HEUA-T suitable for high-precision current sensing applications? A: Yes, MAX4373HEUA-T is specifically designed for high-precision current sensing applications.

  7. Q: Does MAX4373HEUA-T require an external reference voltage? A: No, MAX4373HEUA-T has an integrated reference voltage generator, eliminating the need for an external reference.

  8. Q: What is the bandwidth of MAX4373HEUA-T? A: The bandwidth of MAX4373HEUA-T is typically 500kHz.

  9. Q: Can MAX4373HEUA-T operate in harsh environments? A: Yes, MAX4373HEUA-T is designed to operate in a wide temperature range and can withstand harsh environments.

  10. Q: What package does MAX4373HEUA-T come in? A: MAX4373HEUA-T is available in a 8-pin µMAX package, which is small and suitable for space-constrained applications.

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