看看这个LT1632适合你不?
Gain-Bandwidth Product: 45MHz
Slew Rate: 45V/µs
Low Supply Current per Amplifier: 4.3mA
Input Common Mode Range Includes Both Rails
Output Swings Rail-to-Rail
Input Offset Voltage, Rail-to-Rail: 1350µV Max
Input Offset Current: 440nA Max
Input Bias Current: 2.2µA Max
Open-Loop Gain: 800V/mV Min
Low Input Noise Voltage: 12nV/rtHz Typ
Low Distortion: �92dBc at 100kHz
Wide Supply Range: 2.7V to ±15V
Large Output Drive Current: 35mA Min
Dual in 8-Pin PDIP and SO Packages