The OPA2191IDGKR is a precision operational amplifier (op-amp) developed by Texas Instruments, a leader in semiconductor design and manufacturing. This op-amp is part of the OPAx191 series, which is known for its low offset voltage and low quiescent current, making it an ideal choice for a wide range of applications that require high accuracy and efficiency.

Key Features

• Low Offset Voltage: The OPA2191IDGKR offers an ultra-low offset voltage of just 25 µV (max), which is critical for applications where precision is paramount.
• Low Quiescent Current: With a low quiescent current of only 700 µA (typical), this op-amp is suitable for battery-powered and energy-saving devices, as it helps extend the operational lifetime.
• Wide Supply Range: The device can operate over a wide supply range of 4.5V to 36V, or ±2.25V to ±18V for split supplies, providing flexibility for various circuit designs.
• High Common-Mode Rejection Ratio (CMRR): With a CMRR of 114 dB (typical), the OPA2191IDGKR ensures excellent performance in environments with common-mode noise.
• Robust ESD Protection: The op-amp features integrated ESD protection circuits, safeguarding the device from electrostatic discharges.

Applications

The OPA2191IDGKR is versatile and can be used in a multitude of applications, including:

• Precision instrumentation
• Data acquisition systems
• Active filtering
• Medical equipment
• Automotive controls
• Power supply control

Package and Quality

This particular model, the OPA2191IDGKR, comes in an 8-pin VSSOP (DGK) package, which is suitable for space-constrained applications. Texas Instruments is committed to high-quality manufacturing and this product is no exception, adhering to stringent industry standards for reliability and performance.