INA381A4IDSGT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High accuracy, low offset voltage, wide common-mode voltage range
• Package: DSG (PowerPAD™ SOIC-8)
• Essence: The INA381A4IDSGT is a current sense amplifier designed for precision current measurement in various applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.1V to +26V
• Output Voltage Swing: 0V to Vcc - 1.2V
• Gain Bandwidth Product: 500 kHz
• Quiescent Current: 60 µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA381A4IDSGT has the following pin configuration:

```

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| | --| IN+ OUT |-- --| IN- GND |-- --| REF+ VCC |-- |___________| ```

Functional Features

• High accuracy current sensing
• Low offset voltage for precise measurements
• Wide common-mode voltage range allows for versatile applications
• Rail-to-rail output swing for maximum dynamic range
• Low quiescent current for power efficiency

Advantages and Disadvantages

Advantages

• High accuracy enables precise current measurements
• Wide common-mode voltage range accommodates various applications
• Low offset voltage ensures accurate readings
• Rail-to-rail output swing provides maximum dynamic range
• Low quiescent current minimizes power consumption

Disadvantages

• Limited gain bandwidth product may restrict high-frequency applications
• Restricted supply voltage range may limit compatibility with certain systems

Working Principles

The INA381A4IDSGT operates based on the principle of current sensing. It amplifies the voltage drop across a shunt resistor in series with the current path to measure the current flowing through it. The amplified voltage output is proportional to the sensed current, allowing for accurate current measurements.

Detailed Application Field Plans

The INA381A4IDSGT finds applications in various fields, including:

1. Power management systems
2. Battery monitoring and charging circuits
3. Motor control and protection systems
4. Industrial automation and control
5. Energy monitoring and metering

Detailed and Complete Alternative Models

1. INA180A1IDBVT
2. INA219AIDCNR
3. INA240A1IDCKR
4. INA282AIDGKT
5. INA333AIDGKR
6. INA826AIDGKT

These alternative models offer similar functionality and can be considered as alternatives to the INA381A4IDSGT depending on specific requirements.

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