MAX4374FEUB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High accuracy, low offset voltage, small package size
• Package: µMAX® (8-pin microMAX)
• Essence: Amplifies and measures current in electronic circuits
• Packaging/Quantity: Tape and Reel (3000 pieces per reel)

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±150µV (maximum)
• Gain Bandwidth Product: 500kHz (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VCC: Power supply input
2. IN+: Positive input terminal for current measurement
3. IN-: Negative input terminal for current measurement
4. OUT: Amplified current output
5. REF: Reference voltage input
6. GND: Ground connection
7. NC: No connection
8. NC: No connection

Functional Features

• High Accuracy: The MAX4374FEUB provides precise current measurements with a low offset voltage.
• Small Package Size: The µMAX® package allows for space-efficient integration into electronic circuits.
• Low Power Consumption: With a quiescent current of only 50µA, the device minimizes power consumption.

Advantages and Disadvantages

Advantages: - High accuracy enables precise current measurements. - Small package size allows for easy integration into compact designs. - Low power consumption reduces energy usage.

Disadvantages: - Limited gain bandwidth product may restrict its use in high-frequency applications. - Narrow operating temperature range (-40°C to +125°C) may limit its suitability for extreme environments.

Working Principles

The MAX4374FEUB is a current sense amplifier that measures the current flowing through a circuit. It amplifies the small voltage drop across a shunt resistor and provides an amplified output proportional to the current being measured. The device utilizes a differential input configuration to accurately measure both positive and negative currents.

Detailed Application Field Plans

The MAX4374FEUB is commonly used in various applications, including:

1. Battery Management Systems: Monitoring and controlling the charging and discharging currents of batteries.
2. Power Supplies: Measuring the current consumption of power supply circuits.
3. Motor Control: Monitoring the current drawn by motors for precise control and protection.
4. Overcurrent Protection: Detecting excessive current flow to trigger protective actions.

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 MAX4374FEUB and can be considered as alternatives based on specific requirements and design constraints.

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