OPA172IDR

The OPA172IDR is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is part of the OPA172 family, which is known for its high performance and low power consumption, making it suitable for a variety of applications, including signal conditioning, data acquisition, and instrumentation.

Key Features:

1. Supply Voltage Range: The OPA172 operates over a wide supply voltage range, typically from ±2.5V to ±18V, allowing it to be used in both single-supply and dual-supply configurations.

2. Low Input Offset Voltage: One of the standout features of the OPA172 is its low input offset voltage, typically around 50 µV. This characteristic is crucial for precision applications where small signal variations need to be accurately amplified.

3. High Gain-Bandwidth Product: The op-amp has a gain-bandwidth product of approximately 10 MHz, which allows it to maintain high performance across a range of frequencies, making it suitable for high-speed applications.

4. Low Noise: The OPA172 is designed to minimize noise, with a low voltage noise density of about 8 nV/√Hz at 1 kHz. This feature is particularly important in sensitive analog applications where noise can significantly affect performance.

5. Rail-to-Rail Output: The op-amp provides rail-to-rail output swing, which means it can output voltages very close to the supply rails. This feature maximizes the dynamic range of the output signal, making it ideal for low-voltage applications.

6. High Slew Rate: The OPA172 has a slew rate of around 27 V/µs, allowing it to respond quickly to changes in input signals, which is essential for applications involving fast signal transitions.

7. Low Power Consumption: With a quiescent current of only 1.2 mA per channel, the OPA172 is energy-efficient, making it suitable for battery-powered devices and applications where power conservation is critical.

8. Temperature Range: The device is rated for operation over a wide temperature range, typically from -40°C to +125°C, ensuring reliability in various environmental conditions.

Package Information:

The OPA172IDR is available in a small, surface-mount package (SOT-23-5), which is ideal for space-constrained applications. The compact size of the package allows for easy integration into printed circuit boards (PCBs) without taking up excessive space.

Applications:

The OPA172 is widely used in applications such as:

• Precision data acquisition systems
• Medical instrumentation
• Industrial process control
• Audio signal processing
• Sensor signal conditioning

Conclusion:

Overall, the OPA172IDR from Texas Instruments is a versatile and high-performance operational amplifier that combines precision, low power consumption, and a wide range of features, making it an excellent choice for a variety of demanding applications in both consumer and industrial electronics.