The INA238AIDGSR is a high-precision, bidirectional current sense amplifier from Texas Instruments, designed to monitor both shunt voltage drops and bus supply voltage. This advanced integrated circuit (IC) is part of Texas Instruments' extensive portfolio of industry-leading sensor solutions, offering accuracy and reliability for a wide range of applications.
Key Features
- High Accuracy: The INA238AIDGSR provides high-precision measurements with a gain error of less than 0.1% and an offset voltage that is extremely low, enabling accurate current sensing.
- Wide Common-Mode Range: It operates over a common-mode voltage range from -0.2V to +85V, allowing for versatile use in systems with varying voltage levels.
- Configurable Averaging: The device offers configurable averaging, which allows for adaptable performance tuning for noise reduction and responsiveness based on the application's requirements.
- Integrated Features: Includes an internal multiplier for power calculation, an analog-to-digital converter (ADC) for digital output, and an I2C interface for communication with microcontrollers or processors.
Applications
The INA238AIDGSR is suitable for a variety of applications where precise current measurement is critical. This includes power management in battery chargers, portable devices, and energy metering. It is also ideal for industrial and automotive systems, such as motor control, overcurrent protection, and power supply monitoring.
Package and Quality
This current sense amplifier comes in a compact VSSOP-10 (DGSR) package, making it space-efficient for design in tight PCB layouts. The device is specified over the extended industrial temperature range of -40°C to +125°C, ensuring reliable performance in harsh environments. Texas Instruments is committed to delivering high-quality and robust components, and the INA238AIDGSR is no exception, meeting stringent quality standards for industrial and automotive applications.
With its precision measurement capabilities and robust feature set, the INA238AIDGSR from Texas Instruments is an excellent choice for designers looking to enhance system performance through accurate current sensing and monitoring.