Overview
The INA381A2IDSGT is a high-precision current sense amplifier produced by Texas Instruments. Designed for accurate current monitoring and control, this component is widely used in applications requiring precise current measurement and protection. The INA381A2IDSGT is part of Texas Instruments' portfolio of current sense amplifiers, targeting industries such as industrial automation, automotive electronics, and power management systems. Its unique selling points include its high accuracy, low offset voltage, and integrated overcurrent alert functionality, making it a competitive choice for modern electronic designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 5.5 | V | |
| Input Offset Voltage | ±25 | µV | Max |
| Gain | 20 | V/V | Fixed |
| Bandwidth | 350 | kHz | |
| Quiescent Current | 150 | µA | Typical |
| Operating Temperature | -40 to +125 | °C | |
| Package | WSON | - | 8-pin |
| Overcurrent Alert | Yes | - | Integrated |
Key Features
- High Accuracy: Low offset voltage ensures precise current measurement.
- Integrated Overcurrent Alert: Provides immediate notification of overcurrent conditions.
- Wide Supply Voltage Range: Operates from 2.7V to 5.5V, suitable for various applications.
- Low Quiescent Current: Enhances power efficiency in battery-operated systems.
- Compact Package: 8-pin WSON package saves board space.
Applications
The INA381A2IDSGT is ideal for a wide range of applications, including:
- Industrial Automation: Used in motor control and power monitoring systems.
- Automotive Electronics: Ensures accurate current sensing in battery management and load detection.
- Power Management: Provides reliable current measurement in DC-DC converters and power supplies.
- Consumer Electronics: Enhances safety and efficiency in portable devices.
Q & A
1. What is the purpose of the INA381A2IDSGT?
The INA381A2IDSGT is a current sense amplifier designed for accurate current monitoring and overcurrent protection.
2. What is the supply voltage range?
The supply voltage ranges from 2.7V to 5.5V.
3. Does it have an integrated overcurrent alert?
Yes, the INA381A2IDSGT includes an integrated overcurrent alert feature.
4. What is the gain of the amplifier?
The amplifier has a fixed gain of 20 V/V.
5. What is the operating temperature range?
It operates from -40°C to +125°C.
6. What package does it come in?
The component is available in an 8-pin WSON package.
7. Is it suitable for automotive applications?
Yes, it is well-suited for automotive electronics, including battery management systems.
8. What is the typical quiescent current?
The typical quiescent current is 150 µA.
9. Can it be used in power management systems?
Yes, it is ideal for power management applications such as DC-DC converters.
10. What is the bandwidth of the amplifier?
The bandwidth is 350 kHz.
