MAX4374HEUB-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High precision, low offset voltage, wide input voltage range
• Package: µMAX® (8-pin microMAX)
• Essence: The MAX4374HEUB-T is a current sense amplifier designed for accurate measurement of small currents in various applications.
• Packaging/Quantity: Tape and Reel, 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 Accuracy: ±0.5% (typical)
• Offset Voltage: ±50µV (maximum)
• Bandwidth: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX4374HEUB-T has the following pin configuration:

```

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| | --| IN+ OUT |-- Pin 1: IN+ (Non-Inverting Input) --| IN- GND |-- Pin 2: IN- (Inverting Input) / GND --| REF VCC |-- Pin 3: REF (Reference Voltage Input) / VCC --| SET NC |-- Pin 4: SET (Gain Setting Input) / Not Connected --| NC NC |-- Pin 5: Not Connected --| NC OUT |-- Pin 6: Not Connected / OUT (Output) --| NC VCC |-- Pin 7: Not Connected / VCC --| NC GND |-- Pin 8: Not Connected / GND |___________| ```

Functional Features

• High accuracy current sensing
• Wide input voltage range
• Low offset voltage for precise measurements
• Adjustable gain setting
• Rail-to-rail output swing
• Low quiescent current consumption

Advantages and Disadvantages

Advantages

• Accurate measurement of small currents
• Wide operating temperature range
• Low power consumption
• Small package size for space-constrained applications

Disadvantages

• Limited number of pins for additional functionality
• Requires external reference voltage for optimal performance

Working Principles

The MAX4374HEUB-T is based on the principle of a current sense amplifier. It amplifies the voltage drop across a shunt resistor, allowing accurate measurement of small currents. The gain of the amplifier can be adjusted using the SET pin, providing flexibility in different applications.

Detailed Application Field Plans

The MAX4374HEUB-T is suitable for various applications that require precise current sensing. Some potential application fields include:

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

Detailed and Complete Alternative Models

1. INA219 - Current Shunt Monitor with I2C Interface
2. LTC6101 - Precision High-Side Current Sense Amplifier
3. AD8210 - High Common-Mode Voltage Current Shunt Monitor

These alternative models offer similar functionality to the MAX4374HEUB-T and can be considered as alternatives depending on specific requirements.

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