MAX4372HEBT+TG45

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High precision, low offset voltage, wide input voltage range
• Package: HEBT+TG45
• Essence: The MAX4372HEBT+TG45 is a current sense amplifier designed for accurate measurement of current in various applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 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
• Offset Voltage: ±150µV (maximum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX4372HEBT+TG45 has the following pin configuration:

```

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

• IN+: Non-inverting input
• IN-: Inverting input
• OUT: Output
• REF: Reference voltage input
• GND: Ground
• VCC: Supply voltage

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 dynamic range
• Low quiescent current for power efficiency

Advantages and Disadvantages

Advantages: - High precision current sensing - Wide input voltage range - Low offset voltage for accurate measurements - Rail-to-rail output swing

Disadvantages: - Limited gain bandwidth product compared to some alternatives - Higher cost compared to basic current sense amplifiers

Working Principles

The MAX4372HEBT+TG45 operates by amplifying the voltage drop across a shunt resistor in series with the current being measured. The amplified voltage is then converted into a proportional current, allowing for accurate measurement of the original current. The amplifier's low offset voltage ensures minimal error in the measurement.

Detailed Application Field Plans

The MAX4372HEBT+TG45 is suitable for various applications that require precise current sensing, such as:

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

Detailed and Complete Alternative Models

1. INA219: A high-side current sense amplifier with I2C interface.
2. LTC6101: A precision high-side current sense amplifier with adjustable gain.
3. AD8210: A wide common-mode voltage range current shunt monitor.

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

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