MAX4378HAUD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics:
  • High Accuracy
  • Low Offset Voltage
  • Wide Supply Voltage Range
  • Small Package Size
• Package: µMAX® (MicroMAX) 8-Pin SOIC
• Essence: Current sensing and amplification
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 28V
• Input Common-Mode Voltage Range: -0.1V to +28V
• Output Voltage Swing: 0V to V+ - 1.2V
• Gain Bandwidth Product: 500kHz
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX4378HAUD has the following pin configuration:

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

Functional Features

• High accuracy current sensing
• Differential input voltage range
• Rail-to-rail output swing
• Low quiescent current
• Low offset voltage
• Wide supply voltage range
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High accuracy enables precise current measurements - Wide supply voltage range allows for versatile applications - Low offset voltage ensures accurate readings - Small package size saves board space - Thermal shutdown protection prevents damage due to overheating

Disadvantages: - Limited gain bandwidth product may restrict high-frequency applications - Not suitable for low-voltage applications below 2.7V

Working Principles

The MAX4378HAUD is a current sense amplifier that accurately measures current flowing through a load. It utilizes a differential input configuration to sense the voltage drop across a shunt resistor and amplifies it to provide an output proportional to the current. The amplifier operates over a wide supply voltage range and maintains high accuracy with low offset voltage.

Detailed Application Field Plans

The MAX4378HAUD is commonly used in various applications, including:

1. Power management systems
2. Battery charging and monitoring
3. Motor control
4. Overcurrent protection circuits
5. Current monitoring in industrial equipment
6. Automotive electronics

Detailed and Complete Alternative Models

1. INA219: High-Side Measurement Bi-Directional Current/Power Monitor
2. LTC6101: Precision High-Side Current Sense Amplifier
3. AD8210: High Common-Mode Voltage, Programmable Gain Current Shunt Monitor
4. ACS712: Fully Integrated Hall Effect-Based Linear Current Sensor

These alternative models offer similar functionality and can be considered as alternatives to the MAX4378HAUD based on specific application requirements.

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