Overview
The INA213AIDCKRG4 from Texas Instruments is a high-precision, voltage-output current-shunt monitor. This device is part of the INA21x series, known for its zero-drift architecture, which ensures high accuracy and stability over a wide range of temperatures. The INA213 is specifically designed with a gain of 50 V/V, making it suitable for applications requiring precise current measurement with low shunt drops.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Gain | 50 | V/V |
| Offset Voltage (Maximum) | ±100 | μV |
| Gain Error (Maximum Over Temperature) | ±1% (Versions A and B), ±0.5% (Version C) | % |
| Offset Drift (Maximum) | 0.5 μV/°C | μV/°C |
| Gain Drift (Maximum) | 10 ppm/°C | ppm/°C |
| Common-Mode Input Range | –0.3 V to 26 V | V |
| Quiescent Current (Maximum) | 100 μA | μA |
| Input Bias Current | 15 to 35 μA | μA |
| Input Offset Current | ±0.02 μA | μA |
| Supply Voltage Range | 2.7 V to 26 V | V |
| Package Type | SC70 (6-pin), UQFN (10-pin) |
Key Features
- High Accuracy: The INA213 offers high accuracy with a maximum offset voltage of ±100 μV and a gain error of ±1% over temperature, ensuring precise current measurements.
- Wide Common-Mode Range: The device can operate with a common-mode input range of –0.3 V to 26 V, making it versatile for various applications.
- Low Quiescent Current: With a maximum quiescent current of 100 μA, it is suitable for power-sensitive designs.
- High CMRR: A common-mode rejection ratio (CMRR) of up to 120 dB ensures that the device can effectively reject common-mode signals.
- Compact Packaging: Available in SC70 (6-pin) and UQFN (10-pin) packages, making it ideal for space-constrained designs.
Applications
The INA213AIDCKRG4 is widely used in various applications requiring precise current measurement, such as:
- Current Sensing in Power Supplies: It is often used to monitor current in power supplies, including buck converters and other DC-DC converters.
- Motor Control Systems: For monitoring current in motor control systems to ensure efficient and safe operation.
- Industrial Automation: In industrial automation systems where accurate current measurement is critical for control and monitoring.
- Automotive Systems: In automotive applications for battery management and other current sensing needs.
Q & A
- What is the gain of the INA213AIDCKRG4?
The gain of the INA213AIDCKRG4 is 50 V/V. - What is the maximum offset voltage of the INA213AIDCKRG4?
The maximum offset voltage is ±100 μV. - What is the common-mode input range of the INA213AIDCKRG4?
The common-mode input range is –0.3 V to 26 V. - What is the quiescent current of the INA213AIDCKRG4?
The maximum quiescent current is 100 μA. - Is the INA213AIDCKRG4 suitable for applications with low shunt drops?
Yes, it is suitable for applications with low shunt drops due to its high accuracy and low offset voltage. - Can the INA213AIDCKRG4 handle negative common-mode voltages?
Yes, it can handle common-mode voltages as low as –0.3 V. - What are the available package types for the INA213AIDCKRG4?
The device is available in SC70 (6-pin) and UQFN (10-pin) packages. - How does the INA213AIDCKRG4 perform in terms of gain drift over temperature?
The gain drift is a maximum of 10 ppm/°C. - What is the typical input bias current of the INA213AIDCKRG4?
The typical input bias current is between 15 to 35 μA. - Can the INA213AIDCKRG4 be used in automotive applications?
Yes, it can be used in automotive applications for battery management and other current sensing needs due to its high accuracy and robust specifications.
