The INA138NA/250G4 is a precision current shunt monitor designed by Texas Instruments to offer industry-leading performance for accurate current measurement. This device is designed to work with a common-mode voltage range from -0.3V to 26V, making it highly versatile for various applications, including automotive, industrial, and power management systems.
Key Features
- High Accuracy: The INA138NA/250G4 provides a high level of accuracy with a typical error of less than 1%, ensuring precise current measurement for critical applications.
- Wide Common-Mode Range: With a common-mode voltage range from -0.3V to +26V, it can be used in systems with high-side current sensing and can operate at voltages beyond the supply rails.
- Low Quiescent Current: The device features a low quiescent current, which minimizes the impact on system power consumption and is ideal for battery-powered applications.
- Single Resistor Gain Set: The gain of the INA138NA/250G4 can be easily set with a single external resistor, providing flexibility and ease of use for designers.
- Small Form Factor: Available in the SOT23-5 package, the device occupies minimal board space, making it suitable for space-constrained applications.
Applications
- Power management systems
- Battery chargers
- Automotive systems
- Portable devices
- Energy management
Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.7V to 36V |
| Common-Mode Voltage Range |
-0.3V to +26V |
| Quiescent Current |
60 μA (typical) |
| Package |
SOT23-5 |
The INA138NA/250G4 from Texas Instruments is a reliable and precise solution for current measurement in a wide array of applications. Its combination of accuracy, low power consumption, and small size makes it an excellent choice for designers looking to optimize their systems for performance and efficiency.