OPA 627/637

1) What is the differnt in between 627/637 ? How should we choice ?
2)  What does it means with their P/N Opa627AP/BP/BM ?
3)  Which one is best for 10X gain line amp ?
4)   Which one is best for buffer ?
5) Or any futher suggestions

Thanks !

understand from a lot people that 637 is better but with condition gain>5

OPA637SM 最好! 我都買左換落部CD機度, 聽完覺得BM好屎, 相差好遠


[quote:4a591eb258="Old Boy"]1) What is the differnt in between 627/637 ? How should we choice ?
2)  What does it means with their P/N Opa627AP/BP/BM ?
3)  Which one is best for 10X gain line amp ?
4)   Which one is best for buffer ?
5) Or any futher suggestions

Thanks ![/quote]