INA139NA/3K

The INA139NA/3K is a high-side, unidirectional current shunt monitor designed to facilitate accurate current measurement in various applications. It utilizes a precision amplifier to convert a differential voltage across a shunt resistor into an output voltage, which is proportional to the sensed current. The device operates over a wide supply voltage range and offers low offset voltage, ensuring precise measurements even with low shunt voltages.
Key features of the INA139NA/3K include a small footprint, low power consumption, and robust performance across various temperatures. Its high-side current sensing capability allows for measurement in systems where the load is not grounded. The device is ideal for battery management systems, power management in consumer electronics, and industrial monitoring applications.
Packaged in a small SOT-23 form factor, the INA139NA/3K is suitable for space-constrained designs. It provides ease of integration and flexibility, making it a popular choice for engineers seeking reliable current sensing solutions.

The INA139NA/3K is a high-side current shunt monitor designed for precision current sensing in various applications. Key features include:
1. Wide Supply Range: Operates from 2.7V to 40V, making it suitable for a variety of power supplies.
2. High Accuracy: Offers accurate current measurement due to its low offset voltage and high common-mode rejection ratio.
3. Wide Common-Mode Range: Can handle common-mode voltages from –16V to +80V, providing flexibility in different circuit environments.
4. Gain Options: Fixed gain set by an external resistor, allowing for customizable sensitivity based on application needs.
5. Low Power Consumption: Efficient design with low quiescent current, beneficial for battery-powered devices.
6. Small Package: Available in a space-saving SOT-23 package, suitable for compact designs.
7. Temperature Range: Operates reliably over a wide temperature range from -40°C to +125°C, suitable for harsh environments.
These features make the INA139NA/3K ideal for applications like battery chargers, power management, and load monitoring where precise current measurement is crucial.

The INA139NA/3K is an operational amplifier designed for current sensing applications. It comes in a SOT-23 package, which is a small-outline, 3-lead surface-mount package. The "3K" indicates the quantity per reel, which is typically 3,000 units.

The INA139NA/3K is a current shunt monitor from Texas Instruments. It is designed for current sensing applications and operates with a wide supply voltage range. The device is available in an SOT-23 package, which typically has 5 pins. Here is a brief description of its pin functions:
1. VIN+ (Pin 1): Non-inverting input. Connect this pin to the positive side of the shunt resistor.

2. VIN- (Pin 2): Inverting input. Connect this pin to the negative side of the shunt resistor.
3. GND (Pin 3): Ground. Connect this pin to the ground reference of the circuit.
4. OUT (Pin 4): Output. This pin provides the output voltage that is proportional to the differential input voltage across the shunt resistor.
5. VS (Pin 5): Supply voltage. Connect this pin to the power supply.
The INA139NA/3K is used to convert a small differential voltage generated by a current flowing through a resistor into a ground-referenced output voltage. This makes it suitable for monitoring current in various applications.

The INA139NA/3K is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company that develops analog integrated circuits and embedded processors. TI is known for its wide range of electronic products and solutions, which are used across various industries, including consumer electronics, automotive, industrial, and communications. The company focuses on innovation and technology development to provide customers with tools to create more efficient and effective electronic systems.

The INA139NA/3K is a current-shunt monitor used for high-side current sensing. Its application areas include power management systems, battery chargers, automotive systems, telecommunications, and industrial control. It is often used in circuits requiring precise current measurement for system protection, feedback control, or monitoring. The INA139 is valued for its wide supply voltage range and ability to handle high common-mode voltages, making it suitable for various applications that require accurate current monitoring in both DC and low-frequency AC circuits.

The INA139NA/3K is a current shunt monitor by Texas Instruments. Equivalent products include the MAX4080 by Maxim Integrated, the LT1999 by Analog Devices, and the MCP6H01 by Microchip Technology. These alternatives offer similar functionalities but may differ in specifications like bandwidth, input offset voltage, or supply voltage range. Always compare datasheets to ensure compatibility with your application.