MAX4375TESD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics:
  • High accuracy current sensing
  • Wide input voltage range
  • Low offset voltage and low noise
• Package: Thin Shrink Small Outline Package (TSSOP)
• Essence: Provides precise current measurement in various applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 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
• Quiescent Current: 100µA (typical)

Pin Configuration

The MAX4375TESD has the following pin configuration:

```

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

Functional Features

• High accuracy current sensing with a gain of 20V/V
• Wide input voltage range allows for versatile applications
• Low offset voltage and low noise ensure precise measurements
• Built-in reference voltage simplifies circuit design

Advantages and Disadvantages

Advantages: - High accuracy current sensing - Wide input voltage range - Low offset voltage and low noise - Built-in reference voltage

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

Working Principles

The MAX4375TESD is a current sense amplifier that measures the voltage drop across a shunt resistor to determine the current flowing through it. It amplifies this voltage drop and provides an output proportional to the current being sensed. The built-in reference voltage ensures accurate measurements, while the low offset voltage and low noise contribute to the overall precision.

Detailed Application Field Plans

The MAX4375TESD is widely used in various applications that require precise current measurement. Some of the common application fields include:

1. Power Management: Current monitoring in power supplies, battery chargers, and DC-DC converters.
2. Motor Control: Current sensing in motor drives, robotics, and industrial automation systems.
3. Automotive Electronics: Current measurement in electric vehicles, hybrid vehicles, and automotive control modules.
4. Energy Monitoring: Current sensing in smart meters, energy management systems, and solar inverters.
5. Consumer Electronics: Current monitoring in portable devices, audio amplifiers, and LED lighting systems.

Detailed and Complete Alternative Models

1. INA219: High-side current sense amplifier with I2C interface and higher gain bandwidth product.
2. LT6105: Precision current sense amplifier with lower quiescent current and wider supply voltage range.
3. AD8210: Wide input voltage range current shunt monitor with integrated temperature sensor.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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