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INA381A4IDSGR
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INA381A4IDSGR

Product Overview

Category: Integrated Circuit (IC)

Use: The INA381A4IDSGR is a high-side current shunt monitor IC used for accurate current sensing in various applications.

Characteristics: - High accuracy - Wide common-mode voltage range - Low offset voltage - Low quiescent current - High bandwidth

Package: DSG (PowerPAD™ SOIC-8)

Essence: The INA381A4IDSGR is designed to accurately measure current flowing through a shunt resistor and provide an amplified output voltage proportional to the measured current.

Packaging/Quantity: The INA381A4IDSGR is available in a DSG package, which stands for PowerPAD™ SOIC-8. It is supplied in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Common-Mode Voltage Range: -0.3V to +26V
  • Quiescent Current: 60µA (typical)
  • Gain Error: ±0.5% (maximum)
  • Bandwidth: 800kHz (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA381A4IDSGR has a total of 8 pins arranged as follows:

```

| | | U1 | |___________|

Pin Configuration:

  1. V+ (Positive Supply Voltage)
  2. V- (Negative Supply Voltage)
  3. OUT (Output Voltage)
  4. REF (Reference Voltage)
  5. IN- (Inverting Input)
  6. IN+ (Non-Inverting Input)
  7. SET (Gain Setting)
  8. GND (Ground) ```

Functional Features

  • High accuracy current sensing
  • Wide common-mode voltage range allows for versatile applications
  • Low offset voltage ensures precise measurements
  • Low quiescent current minimizes power consumption
  • High bandwidth enables fast response times

Advantages and Disadvantages

Advantages: - Accurate current sensing - Versatile application range - Low power consumption - Fast response times

Disadvantages: - Limited supply voltage range (2.7V to 5.5V) - Requires external shunt resistor for current measurement

Working Principles

The INA381A4IDSGR operates based on the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. The IC amplifies this voltage drop and provides an output voltage proportional to the measured current. By utilizing a high-side configuration, the INA381A4IDSGR can accurately measure current in various applications.

Detailed Application Field Plans

The INA381A4IDSGR finds applications in a wide range of fields, including but not limited to: 1. Power management systems 2. Battery monitoring 3. Motor control 4. Overcurrent protection circuits 5. Current monitoring in industrial equipment

Detailed and Complete Alternative Models

  1. INA180A1IDBVR
  2. INA2132UA
  3. INA240A1YFFR
  4. INA282AIDGKT
  5. INA333AIDGKR

These alternative models offer similar functionality and can be considered as substitutes for the INA381A4IDSGR in various applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av INA381A4IDSGR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of INA381A4IDSGR in technical solutions:

  1. Q: What is the INA381A4IDSGR? A: The INA381A4IDSGR is a high-side current sense amplifier used for measuring current in various applications.

  2. Q: What is the operating voltage range of the INA381A4IDSGR? A: The operating voltage range of the INA381A4IDSGR is from 2.7V to 5.5V.

  3. Q: What is the maximum input common-mode voltage of the INA381A4IDSGR? A: The maximum input common-mode voltage of the INA381A4IDSGR is 26V.

  4. Q: What is the typical gain of the INA381A4IDSGR? A: The typical gain of the INA381A4IDSGR is 20 V/V.

  5. Q: Can the INA381A4IDSGR measure both AC and DC currents? A: Yes, the INA381A4IDSGR can measure both AC and DC currents.

  6. Q: What is the bandwidth of the INA381A4IDSGR? A: The bandwidth of the INA381A4IDSGR is typically 800 kHz.

  7. Q: Does the INA381A4IDSGR have built-in overcurrent protection? A: No, the INA381A4IDSGR does not have built-in overcurrent protection. External circuitry may be required for overcurrent protection.

  8. Q: Can the INA381A4IDSGR be used in high-temperature environments? A: Yes, the INA381A4IDSGR is designed to operate in high-temperature environments, with a temperature range of -40°C to +125°C.

  9. Q: What is the package type of the INA381A4IDSGR? A: The INA381A4IDSGR comes in a small 8-pin VSSOP package.

  10. Q: What are some typical applications of the INA381A4IDSGR? A: The INA381A4IDSGR is commonly used in applications such as motor control, power management, battery monitoring, and current sensing in industrial equipment.

Please note that these answers are based on general information about the INA381A4IDSGR and may vary depending on specific use cases and requirements.