The AD7812 is available in a small, 20-lead 0.3 "wide, plastic dual-in-line package (mini-DIP), in a 20-lead, small outline IC (SOIC) and in a 20-lead, Thin Shrink small outline package (TSSOP)."

AD 7812也提供三种封装：20引脚、0.3英寸宽、小型塑料双列直插式封装(小型DIP)； 20引脚、小形集成封装(SOIC)；以及20引脚超薄紧缩小型封装(TSSOP)。

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Package shrink is, by no means, a new tactic to either the consumer or manufacturer.

FORBES: What? America's Favorite Brands Are Slimming Down, Too?

Though most instances of package shrink happen stealthily, some marketers, such as PepsiCo, make it up by publicly announcing the changes.

FORBES: What? America's Favorite Brands Are Slimming Down, Too?

Regardless, some consumers are bound to complain as Consumer Reports found that some instances of package shrink were as high as 20 percent.

FORBES: What? America's Favorite Brands Are Slimming Down, Too?