常用运放IC LM358.pdf .pdfLM358, LM258, LM2904, LM2904A, LM2904V, NCV2904 Single Supply Dual Operational Amplifiers http://onsemi.com Utilizing the circuit designs perfected for Quad Operational Amplifiers, these dual operational amplifiers feature low power drain, a common mode input voltage range extending to ground/VEE, and PDIP……