INA180A2IDBVT

The INA180A2IDBVT is a precision current sense amplifier manufactured by Texas Instruments. It is designed for high-performance applications where accurate current measurement is essential. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Current Sense Amplifier
• Manufacturer: Texas Instruments
• Package: The INA180A2IDBVT comes in a small, compact SOT-23 package, which is ideal for space-constrained applications.

Key Features:

• Input Voltage Range: The amplifier can operate with a common-mode input voltage range that extends from -0.1V to V+ - 0.1V, allowing it to be used in a variety of applications, including low-side and high-side current sensing.
• Gain: The device has a fixed gain of 100 V/V, which provides a significant amplification of the sensed voltage, making it easier to read and process.
• Supply Voltage: It operates with a supply voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications and other low-voltage systems.
• Low Offset Voltage: The INA180A2IDBVT features a low input offset voltage, typically around 50 µV, which enhances measurement accuracy by minimizing errors.
• Low Input Bias Current: The input bias current is very low, typically around 1 nA, which is crucial for applications where the current sense resistor value is high, as it reduces the error introduced by the amplifier itself.
• High CMRR: The common-mode rejection ratio (CMRR) is high, ensuring that the amplifier can effectively reject noise and variations in the common-mode voltage, which is important for accurate current sensing.

Performance Characteristics:

• Bandwidth: The device has a bandwidth of approximately 1 MHz, allowing it to respond quickly to changes in current.
• Output Voltage Swing: The output voltage can swing close to the supply rails, which is beneficial for maximizing the dynamic range of the output signal.
• Temperature Range: The INA180A2IDBVT is rated for operation over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Applications:

The INA180A2IDBVT is ideal for various applications, including:

• Battery management systems
• Motor control
• Power monitoring
• Load detection
• Overcurrent protection

Conclusion:

The INA180A2IDBVT from Texas Instruments is a highly precise and versatile current sense amplifier that combines low offset voltage, low input bias current, and a wide supply voltage range. Its compact SOT-23 package and robust performance characteristics make it an excellent choice for a variety of current sensing applications in both consumer and industrial electronics.