Texas Instruments OPA627
The OPA627 and OPA637 (OPA6x7) operational amplifiers (op amps) provide a new level of performance in a precision FET operational amplifier. When compared to the popular OPA111 op amp, the OPA6x7 have lower noise, lower offset voltage, and higher speed. The OPA6x7 are useful in a broad range of precision and high-speed analog circuitry.| Part No. | OPA627 |
|---|---|
| Datasheet | OPA627 Download |
| Manufacturer |  Texas Instruments |
| Description | High-Speed JFET Operational Amplifiers |
| Buy | Stock & Price |
FEATURES
● Very low noise: 4.5nV/√Hz at 10kHz● Fast settling time: – OPA627: 550ns to 0.01% – OPA637: 450ns to 0.01%
● Low VOS: 100µV maximum
● Low drift: 0.8µV/°C maximum
● Low IB: 5pA maximum
● Gain options: – OPA627: Unity-gain stable – OPA637: Stable in gain ≥ 5 2
APPLICATIONS
● Precision instrumentation● Fast data acquisition
● DAC output amplifier
● Optoelectronics
● Sonar, ultrasound
● High-impedance sensor amps
● High-performance audio circuitry
● Active filters Input R4 2.94k R1 590¡ R3 499¢ C2 39nF C5 1nF – + OPA627 OPA627 Low-Pass Filter Output 3
DESCRIPTION
The OPA6x7 is fabricated on a high-speed, dielectrically-isolated, complementary NPN/PNP process. The OPA6x7 operate over a wide powersupply voltage range of ±4.5V to ±18V. 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.
