| 摘要 |
PURPOSE: An amplifying circuit and an analog digital converting circuit including the same are provided to efficiently reduce a consumable current of an analog to digital converter in a pipeline architecture by sharing the amplifying circuit. CONSTITUTION: A first amplifying circuit(240) comprises first and second rod parts(10,20), an output part(30), first and second input parts(40,50), and a first constant current source part(60). The first load part includes first to third transistors(T1-T3). The second rod parting includes fourth to sixth transistors(T4-T6). An output part includes two seventh to two tenth transistors(T7-T10) which are serially connected, respectively. The first input part includes eleventh to thirteenth transistors(T11-T13). The second input part includes fourteenth to sixteenth transistors(T14-T16). The first constant current part includes seventeenth to nineteenth transistors(T17-T19). A second amplifying circuit(250) includes third and fourth load parts(80,90), an third input part(70), and a second static current source part(95). |
