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问:双通道运算放大器只是单通道版本的重复吗?它们拥有相同的性能吗?答:问得好。事实上,对于用户和IC设计者,这都是一个很重要的问题。需要在电路中使用许多运算放大器的客户非常喜欢使用多通道运算放大器(双通道、三通道、四通道,有时甚至八通道),这样做是有充分理由的。多通道运算放大器的优势包括占用的电路板面积更少、成本更低、匹配度更高。在电气性能方面则是有利有弊,稍后将予以讨论。
Q. Is the dual op amp just a single channel repeat? Do they have the same performance? In fact, this is a very important issue for both the user and the IC designer. Customers who want to use many op amps in their circuits love multichannel op amps (two, three, four, and sometimes eight), for good reason. The benefits of multichannel op amps include less board area, lower cost, and greater matching. There are advantages and disadvantages in terms of electrical performance, which will be discussed later.