Product Overview: Texas Instruments OPA211ID Precision Operational Amplifier

The Texas Instruments OPA211ID is a high-precision operational amplifier that delivers exceptional performance for a wide range of applications. This op-amp features low noise, low harmonic distortion, and high speed, making it an ideal choice for professional audio equipment, test and measurement instruments, and high-end consumer audio devices.

Key Features

• Low Noise: The OPA211ID boasts an ultra-low voltage noise density of 1.1 nV/√Hz at 1 kHz, which significantly reduces signal distortion and ensures a clean, accurate amplification of the input signal.
• High Speed: With a slew rate of 27 V/µs and a gain bandwidth product of 45 MHz, this op-amp can handle fast signal changes and high-frequency applications with ease.
• Low Distortion: Total harmonic distortion plus noise (THD+N) is remarkably low at 0.000015% at 1 kHz, which is critical for high-fidelity audio reproduction and precision instrumentation.
• Wide Supply Range: The device operates from a supply voltage range of ±2.25 V to ±18 V, providing flexibility for various circuit designs and applications.
• Rail-to-Rail Output: The OPA211ID provides a rail-to-rail output swing, which maximizes the dynamic range when operating from low supply voltages.

Applications

The OPA211ID is suitable for a variety of applications that require high precision and low noise, including:

• Professional Audio Equipment
• High-End Consumer Audio
• Active Filters
• Test and Measurement Systems
• Analog-to-Digital Converter (ADC) Buffer
• Data Acquisition Systems

Package and Quality

This operational amplifier is available in an 8-pin SOIC package, which is compact and suitable for space-constrained applications. The OPA211ID, like all Texas Instruments products, is manufactured to high standards of quality and reliability, ensuring consistent performance and longevity in your electronic designs.

For engineers and designers looking for an op-amp that combines precision, low noise, and high speed, the Texas Instruments OPA211ID is a compelling choice that stands out in its class.