麦克风放大电路相关

麦克风放大电路相关
www.fairchildsemi.com


LM2904,LM358/LM358A,LM258/
LM258A
Dual Operational Amplifier
Features Description
Internally Frequency Compensated for Unity Gain The LM2904,LM358/LM358A, LM258/LM258A consist of
Large DC Voltage Gain: 100dB two independent, high gain, internally frequency
Wide Power Supply Range: compensated operational amplifiers which were designed
LM258/LM258A, LM358/LM358A: 3V~32V (or ±1.5V specifically to operate from a single power supply over a
~ 16V) wide range of voltage. Operation from split power supplies
LM2904 : 3V~26V (or ±1.5V