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请教功放芯片后缀问题

Other Parts Discussed in Thread: TPA3110D2

现公司打算小批某型号产品,功放芯片用到了TPA3110D2和TPA3118,现每个型号都不同供应商那里都各自拿有样片,TPA3110D2-68TG4-CKKZ和TPA3110D2-68TG4-CDON这两个末尾后缀不一致,请问下是否都为正品?还有69A89FTG4-TPA3118和6CA593TG4-TPA3118,也是不一致,请问是否都为正品,麻烦TI工程师解答下,谢谢。