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MAX4374FESD
Product Overview
The MAX4374FESD belongs to the category of precision, high-side current-sense amplifiers. It is commonly used for accurate current measurement in various electronic circuits. The device is known for its high accuracy, low offset voltage, and small package size. It is available in a small 6-pin SOT23 package and is an essential component in applications requiring precise current sensing.
Basic Information
- Category: Precision, High-Side Current-Sense Amplifier
- Use: Accurate current measurement in electronic circuits
- Characteristics: High accuracy, low offset voltage, small package size
- Package: 6-pin SOT23
- Essence: Precision current sensing
- Packaging/Quantity: Available in reels of 3000 units
Specifications
- Supply Voltage: 2.7V to 28V
- Input Offset Voltage: ±150µV (max)
- Gain Accuracy: ±1% (max)
- Bandwidth: 500kHz (typ)
- Operating Temperature Range: -40°C to +125°C
- Quiescent Current: 60µA (max)
Detailed Pin Configuration
The MAX4374FESD features the following pin configuration: 1. IN+ (Pin 1) - Non-inverting input 2. IN- (Pin 2) - Inverting input 3. REF (Pin 3) - Reference voltage 4. VCC (Pin 4) - Supply voltage 5. OUT (Pin 5) - Output 6. GND (Pin 6) - Ground
Functional Features
- High accuracy and precision
- Low offset voltage for accurate measurements
- Wide supply voltage range for versatile applications
- Small package size for space-constrained designs
- Low quiescent current for power efficiency
Advantages and Disadvantages
Advantages
- Precise current measurement
- Versatile supply voltage range
- Compact package size
Disadvantages
- Limited to high-side current sensing applications
- Higher cost compared to standard current-sense amplifiers
Working Principles
The MAX4374FESD operates by measuring the voltage drop across a shunt resistor placed in series with the load. It amplifies this voltage drop to provide an accurate representation of the load current. The device's high accuracy and low offset voltage ensure precise current measurements, making it suitable for various applications.
Detailed Application Field Plans
The MAX4374FESD finds extensive use in applications such as: - Battery management systems - Power management in portable devices - Motor control systems - Overcurrent protection circuits - Solar power systems
Detailed and Complete Alternative Models
Some alternative models to the MAX4374FESD include: - MAX4372 - INA199 - LTC6101
In conclusion, the MAX4374FESD is a precision, high-side current-sense amplifier known for its accuracy, versatility, and compact design. With its wide supply voltage range and high precision, it is a valuable component in various electronic applications.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MAX4374FESD trong giải pháp kỹ thuật
What is the MAX4374FESD?
- The MAX4374FESD is a high-side current-sense amplifier designed for precision measurement of current in industrial, automotive, and communications systems.
What is the input voltage range of the MAX4374FESD?
- The input voltage range of the MAX4374FESD is typically from 4V to 28V, making it suitable for a wide range of applications.
What is the typical gain of the MAX4374FESD?
- The typical gain of the MAX4374FESD is 20V/V, providing accurate current measurements for various technical solutions.
How does the MAX4374FESD handle overcurrent conditions?
- The MAX4374FESD features a built-in overcurrent detection and protection circuitry, which helps safeguard the system from overcurrent events.
Can the MAX4374FESD be used in automotive applications?
- Yes, the MAX4374FESD is suitable for automotive applications due to its wide input voltage range and robust design.
What is the output voltage range of the MAX4374FESD?
- The output voltage range of the MAX4374FESD is typically from 0.1V to 4.9V, allowing for easy interfacing with microcontrollers and ADCs.
Does the MAX4374FESD require external calibration?
- No, the MAX4374FESD is factory calibrated, eliminating the need for external calibration in most applications.
What is the temperature range for operation of the MAX4374FESD?
- The MAX4374FESD is designed to operate over a temperature range of -40°C to +125°C, ensuring reliable performance in harsh environments.
Can the MAX4374FESD be used in current monitoring applications?
- Yes, the MAX4374FESD is well-suited for current monitoring applications, providing accurate and reliable measurements.
Is the MAX4374FESD available in a small package for space-constrained designs?
- Yes, the MAX4374FESD is available in a small 8-pin µMAX package, making it suitable for space-constrained technical solutions.