OPA627AUE4

The OPA6x7 is fabricated on a high-speed,
dielectrically-isolated complementary NPN/PNP
1? Very Low Noise: 4.5 nV/?Hz at 10 kHz process. It operates over a wide range of power
? Fast Settling Time: supply voltage of ?4.5 V to ?18 V. Laser-trimmed
? OPA627?550 ns Difet input circuitry provides high accuracy and low- to 0.01%
noise performance comparable with the best bipolar-
? OPA637?450 ns to 0.01% input operational amplifiers.
? Low VOS: 100-?V maximum
High frequency complementary transistors allow
? Low Drift: 0.8-?V/?C maximum increased circuit bandwidth, attaining dynamic
? Low IB: 5-pA maximum performance not possible with previous precision FET
? OPA627: Unity-Gain Stable operational amplifiers. The OPA627 is unity-gain
stable. The OPA637 is stable in gains equal to or ? OPA637: Stable in Gain ? 5
greater than five.
2 Applications Difet fabrication achieves extremely low input bias
currents without compromising input voltage noise
? Precision Instrumentation performance. Low input bias current is maintained
? Fast Data Acquisition over a wide input common-mode voltage range with
? DAC Output Amplifier unique cascode circuitry