OPA4172IDR

The OPA4172IDR is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is part of the OPA series, known for their high performance and versatility in various applications. Here’s a detailed description of its key features and specifications:

General Overview:

• Type: Precision Operational Amplifier
• Package: The OPA4172IDR is available in a small, surface-mount package (SOIC-8), which is ideal for space-constrained applications.

Key Features:

1. Low Offset Voltage: The OPA4172IDR boasts a low input offset voltage, typically around 50 µV, which enhances accuracy in precision applications.
2. Low Noise: It has a low noise density, making it suitable for applications requiring high fidelity and minimal signal distortion.
3. Wide Supply Voltage Range: The device can operate with a dual supply voltage ranging from ±2.5 V to ±18 V, or a single supply from 5 V to 36 V, providing flexibility in design.
4. Rail-to-Rail Output: The output stage is designed to swing close to the supply rails, allowing for maximum output voltage range and making it suitable for low-voltage applications.
5. High Gain Bandwidth Product: The OPA4172IDR features a gain bandwidth product of 1 MHz, which allows it to maintain performance across a range of frequencies.
6. High Slew Rate: With a slew rate of 0.5 V/µs, it can respond quickly to changes in input signals, making it suitable for dynamic applications.
7. Low Supply Current: The device consumes a low quiescent current, which is beneficial for battery-powered and energy-efficient designs.

Applications:

The OPA4172IDR is widely used in various applications, including:

• Signal conditioning
• Data acquisition systems
• Medical instrumentation
• Industrial control systems
• Audio processing
• Active filters

Electrical Characteristics:

• Input Common-Mode Voltage Range: The input common-mode voltage range extends from the negative supply rail to the positive supply rail, allowing for versatile input signal handling.
• Output Short-Circuit Protection: The op-amp includes internal protection features to safeguard against output short circuits, enhancing reliability in circuit designs.

Thermal and Reliability:

• Operating Temperature Range: The OPA4172IDR is rated for operation over a temperature range of -40°C to +125°C, making it suitable for harsh environments.
• Moisture Sensitivity Level: The device is classified as MSL 1, indicating a high level of reliability in moisture-sensitive applications.

Conclusion:

The OPA4172IDR from Texas Instruments is a high-performance, precision operational amplifier that combines low noise, low offset voltage, and a wide supply range, making it an excellent choice for a variety of demanding applications. Its robust design and versatile features make it a popular choice among engineers and designers looking for reliable and accurate signal processing solutions.