TEXAS INSTRUMENTS LM148JB 运算放大器, 四路, 1 MHz, 4个放大器, 0.5 V/µs, 8V 至 36V, DIP, 14 引脚
The is a quad general-purpose high-gain internally compensated Operational Amplifier designed to have operating characteristics similar to the µA741. This amplifier exhibits low supply-current drain and input bias and offset currents that are much less than those of the µA741.