INA330AIDGSTG4

Product Overview

Category: Integrated Circuit (IC)

Use: The INA330AIDGSTG4 is a precision current sense amplifier designed for high-side current sensing in a variety of applications. It provides accurate measurement of current flowing through a shunt resistor and converts it into a proportional voltage output.

Characteristics: - High accuracy and precision - Wide input voltage range - Low offset voltage and drift - High common-mode rejection ratio (CMRR) - Low quiescent current

Package: The INA330AIDGSTG4 is available in a small and compact 8-pin VSSOP package, which allows for easy integration into space-constrained designs.

Essence: The essence of the INA330AIDGSTG4 lies in its ability to accurately measure current and provide a voltage output that can be easily interfaced with other circuitry.

Packaging/Quantity: The INA330AIDGSTG4 is typically sold in reels or tubes containing a specified quantity of ICs, depending on the manufacturer's packaging standards.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.1V to +26V
• Quiescent Current: 60µA (typical)
• Gain Error: ±0.25% (maximum)
• Offset Voltage: ±100µV (maximum)
• Bandwidth: 500kHz (typical)

Pin Configuration

The INA330AIDGSTG4 features the following pin configuration:

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

Pin Description: - IN+: Non-inverting input terminal - IN-: Inverting input terminal - OUT: Voltage output terminal - REF: Reference voltage input terminal - GND: Ground connection - VCC: Power supply input

Functional Features

1. High Accuracy: The INA330AIDGSTG4 offers high accuracy and precision in current sensing applications, ensuring reliable measurement of current.

2. Wide Input Voltage Range: It can handle a wide range of input voltages, allowing for versatile use in various circuit configurations.

3. Low Offset Voltage and Drift: The low offset voltage and drift minimize errors in current measurement, enhancing the overall accuracy of the system.

4. High CMRR: The high common-mode rejection ratio ensures that common-mode noise is effectively rejected, resulting in accurate current measurements even in noisy environments.

5. Low Quiescent Current: The low quiescent current consumption helps in reducing power dissipation and extending battery life in portable applications.

Advantages and Disadvantages

Advantages: - High accuracy and precision in current sensing - Wide input voltage range for versatile use - Low offset voltage and drift for enhanced accuracy - High CMRR for accurate measurements in noisy environments - Low quiescent current consumption for power efficiency

Disadvantages: - Limited to high-side current sensing applications - Requires an external shunt resistor for current measurement

Working Principles

The INA330AIDGSTG4 operates based on the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. The non-inverting input (IN+) of the amplifier is connected to one end of the shunt resistor, while the inverting input (IN-) is connected to the other end. The voltage difference between these inputs is amplified and converted into a proportional voltage output (OUT) by the internal circuitry.

Detailed Application Field Plans

The INA330AIDGSTG4 finds applications in various fields, including:

1. Power Management: It can be used in power management systems to monitor and control current flow in battery charging/discharging circuits, DC-DC converters, and motor control systems.

2. Industrial Automation: The INA330AIDGSTG4 is suitable for current sensing in industrial automation equipment, such as motor drives, robotics, and process control systems.

3. Automotive Electronics: It can be employed in automotive electronics for current measurement in battery management systems, electric vehicle charging stations, and powertrain control modules.

4. Renewable Energy Systems: The INA330AIDGSTG4 is useful in renewable energy systems, including solar inverters and wind turbine control systems, where accurate current monitoring is crucial.

Detailed and Complete Alternative Models

1. INA219: This IC offers similar functionality with a higher voltage range and additional features like integrated shunt resistor and I2C interface.

2. MAX4080: It provides high-side current sensing with a wide input voltage range and built-in overcurrent detection.

3. LTC6101: This precision current sense amplifier offers low offset voltage and drift, along with