INA381A2IDSGT

Product Overview

Category: Integrated Circuit (IC)

Use: The INA381A2IDSGT is a high-side current sense amplifier designed for precision current measurement in various applications.

Characteristics: - High accuracy - Wide input voltage range - Low offset voltage - Low quiescent current - High common-mode rejection ratio

Package: DSG (8-pin VSSOP)

Essence: The INA381A2IDSGT is an essential component for accurate current sensing and monitoring in electronic systems.

Packaging/Quantity: The INA381A2IDSGT is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.3V to +26V
• Quiescent Current: 60µA (typical)
• Gain Bandwidth Product: 1 MHz (typical)
• Offset Voltage: ±150µV (maximum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA381A2IDSGT has the following pin configuration:

1. OUT: Output Pin
2. IN+: Non-Inverting Input Pin
3. IN-: Inverting Input Pin
4. VS-: Negative Power Supply Pin
5. VS+: Positive Power Supply Pin
6. REF: Reference Voltage Pin
7. SET: Gain Setting Pin
8. NC: No Connection

Functional Features

• High accuracy current sensing
• Wide input voltage range for versatile applications
• Low offset voltage for precise measurements
• Low quiescent current for power efficiency
• High common-mode rejection ratio for noise immunity

Advantages and Disadvantages

Advantages: - High accuracy current measurement - Wide input voltage range allows for flexible usage - Low offset voltage ensures precise readings - Low quiescent current minimizes power consumption - High common-mode rejection ratio reduces noise interference

Disadvantages: - Limited gain bandwidth product may restrict high-frequency applications - Requires external gain setting resistor for customization

Working Principles

The INA381A2IDSGT operates based on the principle of measuring the voltage drop across a shunt resistor in series with the load. It amplifies this voltage drop and provides an output proportional to the load current. The gain can be adjusted using an external resistor connected to the SET pin.

Detailed Application Field Plans

The INA381A2IDSGT finds applications in various fields, including but not limited to: 1. Power management systems 2. Battery monitoring and protection 3. Motor control systems 4. Industrial automation 5. Solar energy systems 6. Automotive electronics

Detailed and Complete Alternative Models

1. INA180A2IDBVT
2. INA282A2IDGKT
3. INA2137PAG4
4. INA240A2IDGKR
5. INA226AIDGSR

These alternative models offer similar functionality and can be considered as alternatives to the INA381A2IDSGT depending on specific requirements.

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