INA139NA/3K

The INA139NA/3K is a precision, low-power, and high common-mode voltage current shunt monitor IC. It is designed for precise current measurement in various applications, offering high accuracy and versatile integration capabilities.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• IN+: Positive Current Sense Input
• IN-: Negative Current Sense Input
• V+: Positive Power Supply
• V-: Negative Power Supply/Ground
• OUT: Output Pin
• SET: Gain Setting Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the INA139NA/3K IC for a visual representation.

Key Features

• Precision Current Measurement: The INA139NA/3K offers high accuracy in current sensing applications, making it ideal for precise measurements.
• Low Power Consumption: With its low-power design, this IC is suitable for applications requiring energy efficiency.
• High Common-Mode Voltage Range: The IC can handle high common-mode voltages, providing flexibility in various circuit configurations.
• Wide Operating Temperature Range: Operates reliably across a wide temperature range, ensuring performance in different environmental conditions.
• Integrated Gain Setting: The SET pin allows for easy adjustment of the gain to cater to different current sensing requirements.

Note: For detailed technical specifications, please refer to the INA139NA/3K datasheet.

Application

• Current Sensing: Ideal for current sensing applications in power management, battery monitoring, and motor control systems.
• Precision Measurement: Suitable for applications requiring precision current measurements for accurate control and monitoring.
• Energy Efficiency: The low-power design makes it suitable for energy-efficient systems and battery-powered applications.

Functionality

The INA139NA/3K is a precision current shunt monitor IC that enables accurate current measurements with low power consumption. It provides a reliable solution for current sensing applications in various electronic systems.

Usage Guide

• Input Connection: Connect the positive and negative current sense inputs (IN+ and IN-) to the current shunt resistor.
• Power Supply: Connect the V+ and V- pins to the positive and negative power supplies respectively.
• Output Utilization: Use the OUT pin to monitor the output voltage proportional to the sensed current.

Frequently Asked Questions

Q: What is the typical accuracy of the current measurement using the INA139NA/3K?
A: The INA139NA/3K offers high accuracy with typical values ranging from 0.5% to 1% depending on application conditions.

Q: Can the INA139NA/3K handle high currents in power monitoring applications?
A: Yes, the INA139NA/3K is capable of measuring high currents with its high-precision current sensing capabilities, making it suitable for power monitoring applications.