MAX4375HESD-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High precision, low offset voltage, wide input voltage range
• Package: 14-pin TDFN (Thin Dual Flat No-Lead) package
• Essence: The MAX4375HESD-T is a current sense amplifier designed for accurate measurement of small currents in various applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 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
• Offset Voltage: ±100µV (maximum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX4375HESD-T has the following pin configuration:

```

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

Functional Features

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

Advantages and Disadvantages

Advantages: - High precision current sensing - Wide input voltage range - Low offset voltage - Rail-to-rail output swing - Low power consumption

Disadvantages: - Limited gain bandwidth product compared to some alternatives - Higher cost compared to basic current sensing solutions

Working Principles

The MAX4375HESD-T operates by amplifying the voltage drop across a sense resistor in series with the current being measured. The amplified voltage is then outputted, allowing for accurate measurement of small currents. The device utilizes a precision amplifier and internal compensation circuitry to achieve high accuracy and low offset voltage.

Detailed Application Field Plans

The MAX4375HESD-T can be used in various applications that require precise current measurements, such as:

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

Detailed and Complete Alternative Models

Some alternative models to the MAX4375HESD-T include:

1. INA219 - High-side current shunt monitor
2. LTC6101 - Precision high-side current sense amplifier
3. AD8210 - Wide common-mode range current shunt monitor

These alternative models offer similar functionality and can be considered based on specific application requirements.

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