INA180A2IDBVR

The INA180A2IDBVR 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 INA180A2IDBVR comes in a small, compact SOT-23 package, which is ideal for space-constrained applications.

Key Features:

• Input Voltage Range: The amplifier can handle a wide input common-mode voltage range, typically from -0.1V to 26V, making it suitable for various applications, including battery management and motor control.
• Gain: The device has a fixed gain of 100 V/V, which allows for significant amplification of the small voltage drop across a shunt resistor used for current sensing.
• Supply Voltage: It operates on a single supply voltage ranging from 2.7V to 5.5V, providing flexibility in design and integration into different systems.
• Low Offset Voltage: The INA180A2IDBVR features a low input offset voltage, typically around 50 µV, which enhances measurement accuracy by minimizing errors in current sensing.
• Low Input Bias Current: The input bias current is very low, typically around 1 nA, which is crucial for applications where the shunt resistor value is high, as it reduces the impact on the measurement.
• 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 vital 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, making it suitable for dynamic applications.
• Temperature Range: The INA180A2IDBVR is rated for operation over a wide temperature range, typically from -40°C to +125°C, ensuring reliability in various environmental conditions.

Applications:

The INA180A2IDBVR is commonly used in:

• Battery management systems
• Power monitoring
• Motor control applications
• Industrial automation
• Automotive applications

Pin Configuration:

The SOT-23 package typically includes five pins, which are used for power supply, output, and input connections. The pinout is designed for easy integration into PCB layouts.

Conclusion:

The INA180A2IDBVR from Texas Instruments is a versatile and high-performance current sense amplifier that provides accurate current measurements in a compact package. Its low offset voltage, low input bias current, and wide input voltage range make it an excellent choice for a variety of applications requiring precise current sensing.