Overview
The INA181A1QDBVRQ1 is a high-precision current sense amplifier manufactured by Texas Instruments. Designed for industrial and automotive applications, this product is part of the INA181 series, which is renowned for its accuracy and reliability in current monitoring. The INA181A1QDBVRQ1 is specifically tailored for use in systems requiring precise current measurements, such as battery management, motor control, and power supply monitoring. Its unique selling points include a wide common-mode voltage range, low offset voltage, and high bandwidth, making it a competitive choice for demanding applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Common-Mode Voltage Range | -0.2 to +26 | V | Supports bidirectional current sensing |
| Gain Bandwidth Product | 350 | kHz | High bandwidth for fast response |
| Offset Voltage | ±150 | µV | Ensures high accuracy |
| Supply Voltage | 2.7 to 5.5 | V | Low power consumption |
| Operating Temperature Range | -40 to +125 | °C | Ideal for automotive and industrial environments |
| Package | SOT-23-6 | - | Compact and space-saving |
Key Features
- Wide Common-Mode Voltage Range: Supports bidirectional current sensing from -0.2V to +26V.
- High Precision: Low offset voltage of ±150µV ensures accurate current measurements.
- High Bandwidth: Gain bandwidth product of 350kHz enables fast response times.
- Low Power Consumption: Operates with a supply voltage as low as 2.7V, making it energy-efficient.
- Robust Design: Operates in a wide temperature range of -40°C to +125°C, suitable for harsh environments.
Applications
The INA181A1QDBVRQ1 is widely used in various industries due to its precision and reliability. In automotive electronics, it is employed in battery management systems to monitor charge and discharge currents. In industrial automation, it is used for motor control and power supply monitoring. Additionally, it finds applications in consumer electronics for battery-powered devices, ensuring efficient power management and extending battery life.
Q & A
1. What is the common-mode voltage range of the INA181A1QDBVRQ1?
The common-mode voltage range is -0.2V to +26V, supporting bidirectional current sensing.
2. What is the gain bandwidth product of this amplifier?
The gain bandwidth product is 350kHz, enabling fast response times.
3. How accurate is the INA181A1QDBVRQ1?
It has a low offset voltage of ±150µV, ensuring high accuracy in current measurements.
4. What is the operating temperature range?
The operating temperature range is -40°C to +125°C, making it suitable for harsh environments.
5. What is the supply voltage range?
The supply voltage range is 2.7V to 5.5V, ensuring low power consumption.
6. What package does the INA181A1QDBVRQ1 come in?
It comes in a compact SOT-23-6 package.
7. Is this product suitable for automotive applications?
Yes, it is designed for automotive and industrial applications, with a robust operating temperature range.
8. Can it be used for battery management systems?
Yes, it is ideal for monitoring charge and discharge currents in battery management systems.
9. Does it support bidirectional current sensing?
Yes, its wide common-mode voltage range supports bidirectional current sensing.
10. What are the key advantages of using the INA181A1QDBVRQ1?
Key advantages include high precision, wide common-mode voltage range, high bandwidth, and low power consumption.
