OPA627AU | Texas Instruments

Operational Amplifier, OPA627AU, Texas Instruments

The OPA627AU precision FET operational amplifier provides a new level of performance in a precision op amp. Compared to the popular OPA111, the OPA627AU has lower noise, lower offset voltage, and higher speed, making it useful in a broad range of precision and high-speed analog circuitry. The OPA627AU is fabricated on a high-speed, dielectrically-isolated, complementary NPN/PNP process and operates over a wide power-supply voltage range of ±4.5 V to ±18 V. Laser-trimmed input circuitry provides high accuracy and low-noise performance comparable with the best bipolar-input op amps. High-frequency complementary transistors allow increased circuit bandwidth, attaining dynamic performance not possible with previous precision FET op amps. The OPA627AU is unity-gain stable, while the OPA627AU is stable in gains ≥ 5. State-of-the-art, precision FET transistors achieve extremely low input bias currents without compromising input voltage noise performance. Low input bias current is maintained over a wide input common-mode voltage range with unique cascode circuitry.

Applications

• Precision instrumentation
• Fast data acquisition
• DAC output amplifier
• Optoelectronics
• Sonar, ultrasound
• High-impedance sensor amps
• High-performance audio circuitry
• Active filters