带宽 4.5M 运算放大器 AD8551(单通道),AD8552(双通道),AD8554(四通道) 替代兼容产品: 圣邦微电子: SGM8551,SGM8552,SGM8554,SGM8581,SGM8582,SGM8584 ADI: AD8551,AD8552,AD8554 3PEAK思瑞浦):TP5551,TP5552,TP55