???Щ????????????????????У??????в?????·????????????????????з???????????????????????????????·?????????I/V???????????????????????????????????V=kI??????k??????????????????Щ???????????????????????????й??????????????????·????????·????????????????????????????????????????????й???????????????????????????????????????????????
?1 ?????????·
?1??????????????·??RS???????????????RL????????????????????????????????????????????????????????????????????VRS?????????????????IC??????????????????????I?????????V?????С??RS???????VR???????????????С??????????????????????
?2 ????????????????????
?2?????????????????????????????2?У?RL??????RS???????????????????RS??????VRS??????I???????????VRS?????????VI?????????????????·??????й????????????????????????????????????·???????????????????????RS????VRS=0???????????????????????3??????????????С???????????????????????FLAG???????????????C,???C????????????????ON??????????????2??δ??????C????C?????????????
???1???2?????????????????????????????????·???????????????????RS??RS?????????????RS??????????????????????????к??????
???????????????????
?????????????????????????????????????????????????????????????????????Χ???????????????????????????????????????????????в????????????????????????????????????????????????????????????????
??1 CSM2512??CSM3637????????????
1.RS?????С??10??
???????RS???????????С??RS??????????RS????????С????????????????????????????????????ú??????RS?????磬????????12A????RS=0.1????100m??????????RS??????VRS=1.2V???書???14.4W????????????12V???????????????????????10.8V???????????????RS???????????????5m????RS????RS????????С??0.075V???書?????? 0.72W??????????С????缸??????????????????RS????????????????????????????????RS???????С??10????????????????С???????У???1m????0.5m??????0.3m????е??????????????
?3 ????????????·??????
2.???????
????????????????С????????????????????????????????????????????????????????4?????????????????????????????VRS?????????????????????·????????????????RS??????????????????????????????????????????????????????Kelvin??????????
?4 ???????
3.RS????????С
??????????????????RS????????С???????????????????0.01%??????????????????С?????RS=2m????????????????0.01%????????????????0.1%???????????0.1%????1%??RS???????5m??????????0.05%??
?5 70????????????
4.????????TCR?????С
??????????????RS???????1W???????????????Rs????????????????????????仯??????????????????????TA??????Rs??????仯?????????RS????????С??????????????????????TCR? ??1????15??10-6/?棨??TA=0??60?????RS??1?????????????TCRС????????г?????????
?6 CSM????????
5.???????
????????????????????????????1??3W???Щ????????????????????????????????10W???????????????????
??2 RS????????韁??????-???
6.???????????TA????
????????????????????Χ???????-55??+125?檔???Щ???150?檔??????RS??25???????????????????RS????70???????????á????磬??????????????25???????????1W????100???????????????????????????50%??0.5W??????150?湤??????????£?????????????20%??0.2W????????????????????????
??3 ???????????????????
7.??綯???С
??????0.05 ??V/?檔
????????????????
????????????????????????????????????????????????????????????????????粻?????????????Χ??????????????????????????????VISHAY??????????????????CSM??У???????CSM2512??CSM3637???Щ???????
1.??????
CSM??и???????????????????????
???????????????15??10-6/?棻
????????1??3W??
?????????0.1%??
???????Χ2??200m????
???????????????38A??
???????????SMD????
???????????????????????????
????????????
????????Χ-55??+125?檔
2.??????????
CSM2512??CSM3637???????????????1?????
????????????????TA?£?????70???????????????????5?????
3.??韁??????
????????????????????????韁?????????2????????????6?????
??4 ????????????????
????????????
??????????Щ???????????????VISHAY???????????????????????????????????????200??С?300??м?VCS101/3??????????????7???????????????3?????
???????
???????????????????????????????????????????????????????????????/????????