OPA132UA/2K5 – TEXAS INSTRUMENTS

The OPA132UA/2K5 is a dual, low-noise, precision operational amplifier from Texas Instruments, packaged in a compact 8-pin SOIC (Small Outline Integrated Circuit) surface-mount format. Its key differentiator lies in the specified input offset voltage of ±25µV (maximum) at 25°C, significantly lower than many comparable op-amps. This, coupled with a low input bias current of ±5nA (maximum), makes it ideal for applications demanding high accuracy and low drift. The device operates from a ±2.25V to ±18V supply voltage range, offering flexibility in various power supply designs. Typical applications include instrumentation amplifiers, precision voltage references, and low-noise signal conditioning circuits where minimal offset voltage is critical. Its rail-to-rail output capability isn’t explicitly guaranteed, but the datasheet implies a near-rail-to-rail performance. The low noise figure, typically below 10nV/√Hz, further enhances its suitability for applications sensitive to noise, such as sensor signal amplification. While capable of higher frequencies, its bandwidth is not exceptionally high, making it less suitable for high-speed applications. The /2K5 suffix denotes a specific manufacturing batch or quality control designation, potentially impacting parameters slightly beyond the typical specifications. Designers should consult the latest datasheet for precise performance verification.