Overview
The OPA171AIDR is a high-performance, low-power operational amplifier (op-amp) manufactured by Texas Instruments. Designed for general-purpose applications, this op-amp is part of the OPAx171 series, which is known for its robust performance across a wide range of supply voltages. The OPA171AIDR is particularly suitable for precision applications due to its low offset voltage, low drift, and low noise characteristics. Its rail-to-rail input and output capabilities make it versatile for various analog signal conditioning tasks. This model is widely used in industrial, automotive, and consumer electronics, targeting engineers and designers who require reliable and efficient amplification solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | 2.7 to 36 | V | ±1.35V to ±18V |
| Gain Bandwidth Product | 3 | MHz | |
| Slew Rate | 1.5 | V/µs | |
| Input Offset Voltage | 0.5 | mV | Max |
| Input Bias Current | 10 | pA | Max |
| Quiescent Current | 475 | µA | Per Amplifier |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOIC-8 |
Key Features
- Rail-to-Rail Input and Output: Ensures maximum dynamic range in signal conditioning applications.
- Low Offset Voltage and Drift: Enhances precision in DC and low-frequency applications.
- Wide Supply Voltage Range: Operates from 2.7V to 36V, making it suitable for battery-powered and industrial systems.
- Low Noise: Ideal for sensitive analog signal processing.
- Stable with Capacitive Loads: Maintains stability even with capacitive loads up to 300pF.
Applications
The OPA171AIDR is widely used in various fields due to its versatile performance. In industrial automation, it is employed in sensor signal conditioning and control systems. In automotive electronics, it is used for signal amplification in sensors and actuators. Consumer electronics applications include audio amplification and signal processing in portable devices. Additionally, it is suitable for medical instrumentation, where precision and low power consumption are critical.
Q & A
1. What is the supply voltage range of the OPA171AIDR?
The OPA171AIDR operates from 2.7V to 36V, making it suitable for both low-voltage and high-voltage applications.
2. Is the OPA171AIDR a rail-to-rail op-amp?
Yes, it features rail-to-rail input and output capabilities, ensuring maximum dynamic range.
3. What is the typical gain bandwidth product of this op-amp?
The gain bandwidth product is 3 MHz, which is suitable for general-purpose amplification tasks.
4. Can the OPA171AIDR handle capacitive loads?
Yes, it remains stable with capacitive loads up to 300pF.
5. What is the input offset voltage of the OPA171AIDR?
The maximum input offset voltage is 0.5 mV, ensuring high precision in DC applications.
6. Is this op-amp suitable for battery-powered devices?
Yes, its low quiescent current of 475 µA per amplifier makes it ideal for battery-powered applications.
7. What is the operating temperature range of the OPA171AIDR?
It operates from -40°C to 125°C, making it suitable for harsh environments.
8. What package does the OPA171AIDR come in?
It is available in an SOIC-8 package.
9. Can the OPA171AIDR be used in audio applications?
Yes, its low noise and rail-to-rail capabilities make it suitable for audio signal processing.
10. Is the OPA171AIDR suitable for precision applications?
Yes, its low offset voltage, low drift, and low noise characteristics make it ideal for precision applications.
