TI牛人寫的運算放大器參數的解釋和分析，固有噪聲的分析與測量

ID:74835 · 發表于 2015-3-20 19:16

目錄
1、輸入偏置電流和輸入失調電流 ........................................................................................... 2
2、如何測量輸入偏置電流Ib，失調電流Ios ......................................................................... 6
3、輸入失調電壓Vos 及溫漂 ................................................................................................. 10
4、運放噪聲快速計算 ............................................................................................................. 14
5、電源抑制比DC-PSRR .......................................................................................................... 18
6、電源抑制比AC-PSRR .......................................................................................................... 19
7、共模抑制比CMRR .............................................................................................................. 22
8、共模抑制比CMRR 的影響 ................................................................................................. 25
9、放大電路直流誤差（DC error） ....................................................................................... 28
10、放大電路直流誤差（DC error）的影響因素 ............................................................... 29
11、輸入阻抗和輸入電容 ..................................................................................................... 31
12、輸入電容Cin 的測量 ...................................................................................................... 33
13、軌至軌輸入（rail to rail input） .................................................................................... 35
14、軌至軌輸入_TI 的領先技術 ........................................................................................... 38
15、開環增益Aol .................................................................................................................. 40
16、增益帶寬積（GBW）..................................................................................................... 43
17、從開環增益曲線談到運放穩定性 ................................................................................. 44
18、壓擺率(SR) ...................................................................................................................... 47
19、全功率帶寬(FPBW) ......................................................................................................... 50
20、建立時間(Settling Time) ................................................................................................. 52
21、總諧波失真(THD) ........................................................................................................... 53
22、軌至軌(rail to rail)輸出 ................................................................................................... 55
23、輸出短路電流 ................................................................................................................. 57
24、輸出阻抗Ro 和Rout ...................................................................................................... 58
25、運放的熱阻 ..................................................................................................................... 62

運放參數的詳細解釋和分析
運算放大器電路中固有噪聲的分析與測量
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