常用运放IC OP470.pdf .pdfa Very Low Noise Quad Operational Amplifier OP470 FEATURES PIN CONNECTIONS Very Low-Noise, 5 nV/÷Hz @ 1 kHz Max Excellent Input Offset Voltage, 0.4 mV Max 14-Lead Hermetic DIP 16-Lead SOIC Package Low Offset Voltage Drift, 2 V/C Max (Y-S……