The INA228AIDGSR from Texas Instruments is a state-of-the-art precision digital current sense amplifier that offers industry-leading performance for monitoring power supply and consumption in applications such as power management, test and measurement, and portable devices. This device is part of the INA228 series, which is renowned for its accuracy and ease of use.

Key Features

• High Accuracy: The INA228AIDGSR provides a maximum offset voltage of 10 µV and gain error of 0.1%, ensuring precise current measurements.
• Wide Common-Mode Range: It operates over a common-mode voltage range from -0.3V to +85V, making it versatile for various applications.
• High Bandwidth: With a bandwidth of up to 850 kHz, this amplifier is capable of monitoring fast-changing load currents.
• Digital Interface: The I2C- and SMBus-compatible interface supports high-speed mode, facilitating easy integration into digital systems.
• Programmable Gain: The device offers programmable gain settings, allowing customization for different current ranges.
• Integrated ADC: An internal 16-bit analog-to-digital converter provides digital output, which reduces the need for external components.
• Multiple Alert Functions: The INA228AIDGSR includes alert functions that signal over-current, under-current, and over-power conditions, enhancing system protection.

Applications

The INA228AIDGSR is ideal for a wide range of applications that require precise current measurement. These include:

• Power management in servers and telecom equipment
• Battery chargers and monitoring systems
• Power supplies for test and measurement
• Portable instrumentation
• Energy harvesting systems

Product Specifications

The INA228AIDGSR comes in a compact VSSOP-10 package and is designed for easy PCB mounting. It operates over an extended temperature range of -40°C to +125°C, ensuring reliable performance in diverse environments.

Ordering Information

To order or learn more about the INA228AIDGSR precision digital current sense amplifier, visit the Texas Instruments website or contact an authorized distributor.