MAX4373HEUA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX4373HEUA+ belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for current sensing and monitoring applications.

Characteristics

• High accuracy and precision in current measurement.
• Low offset voltage and low noise.
• Wide input voltage range.
• Small package size for space-constrained designs.

Package

The MAX4373HEUA+ is available in a small 8-pin µMAX package.

Essence

The essence of the MAX4373HEUA+ lies in its ability to accurately measure and monitor current in various electronic systems.

Packaging/Quantity

The MAX4373HEUA+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.1V to +28V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Gain Error: ±0.5% (typical)
• Offset Voltage: ±100µV (typical)
• Bandwidth: 500kHz (typical)

Detailed Pin Configuration

The MAX4373HEUA+ has the following pin configuration:

1. IN-: Negative input terminal for current sensing.
2. IN+: Positive input terminal for current sensing.
3. GND: Ground reference terminal.
4. OUT: Output voltage terminal.
5. SET: Gain-setting pin.
6. NC: No connection.
7. VCC: Power supply terminal.
8. NC: No connection.

Functional Features

• Accurate current sensing with high precision.
• Adjustable gain through the SET pin.
• Low offset voltage and low noise for improved accuracy.
• Wide input voltage range allows for versatile applications.
• Fast response time with a high bandwidth of 500kHz.

Advantages

• High accuracy and precision in current measurement.
• Small package size enables space-constrained designs.
• Wide input voltage range accommodates various systems.
• Adjustable gain provides flexibility in different applications.
• Low offset voltage and low noise enhance measurement accuracy.

Disadvantages

• Limited to current sensing applications, not suitable for other functions.
• Requires external components for proper operation.
• Relatively higher cost compared to some alternative models.

Working Principles

The MAX4373HEUA+ utilizes a differential amplifier configuration to measure the voltage drop across a sense resistor, which is proportional to the current flowing through it. The amplified voltage is then converted into a corresponding output voltage. By adjusting the gain through the SET pin, the user can calibrate the IC for specific current ranges.

Detailed Application Field Plans

The MAX4373HEUA+ finds extensive use in various applications, including:

1. Battery management systems
2. Power supplies and converters
3. Motor control systems
4. Current monitoring in industrial equipment
5. Overcurrent protection circuits
6. Energy metering systems

Detailed and Complete Alternative Models

1. INA219: Similar functionality with integrated shunt resistor.
2. ACS712: Hall-effect based current sensor IC.
3. LT6105: Precision current sense amplifier.
4. AD8210: High common-mode voltage current shunt monitor.

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

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