ä¸ãé»è¾æ¿ä¸äºå¤§çµååé¶è°æ¥çµåçä½ç¨
1ãVGH: Vgatehigh,æ¯ægate级çé«çµä½,ä¹å°±æ¯æå¼gate级ççµåã
2ãVGL: Vgatelow,æ¯gate级çä½çµä½,ä¹å°±æ¯å
³égate级ççµå,å¨äºé¶é©±å¨æ¶æ¤çµåææ,å¨ä¸é¶é©±å¨æ¶,æ¤çµååªæ¯ç¨æ¥äº§çVgoffl;
3ãVgoffL: Vgateofflow,æ¯gate级å
³éçµåä¸çä½çµå¹³(使ç¨å¨ä¸é¶é©±å¨ä¸,ç±VGLç»è¿ä¸ä¸ªçµå转æ¢çµè·¯å¾å°)ã
4ãVgoffH:Vgateoffhigh,æ¯gate级å
³éçµåä¸çé«çµå¹³(å¨ä¸é¶é©±å¨ä¸ä½¿ç¨,ç¨æ¥æ¶é¤ä¸ä¸æ¡gate级å
³éæ¶ç±å¨åçµå®¹(CS ON GATE)é æççµåå¼æ¹å),å®çå¼åºæ¬ä¸å¯ä»¥è®¤ä¸ºæ¯Vgoffl+Vcom;
æäºICèµæä¸é¢åªæå°äºVGHåVGL,é£æ¯å 为,è¿é¢ICåªæ¯æäºé¶é©±å¨,æçICèµæä¸é¢VGHãVGLãVGOFFHãVGOFFLé½æ,é£æ¯å 为æ¤ICæ¯æäºé¶åä¸é¶é©±å¨ã
VDDG,VEEG为äºé¶é©±å¨çGATEçå¼å
³çµå¹³ã
5ãVCOM:液æ¶å转åº..
å
³äºVccåVddçåºå«
ä¸ã解é
ããVCCï¼C=circuit 表示çµè·¯çææ, å³æ¥å
¥çµè·¯ççµåï¼
ããVDDï¼D=device 表示å¨ä»¶çææ, å³å¨ä»¶å
é¨çå·¥ä½çµåï¼
ããVSSï¼S=series 表示å
Œ
±è¿æ¥çææï¼é常æçµè·¯å
Œ
±æ¥å°ç«¯çµåã
ããäºã说æ
ãã1ã对äºæ°åçµè·¯æ¥è¯´ï¼VCCæ¯çµè·¯çä¾çµçµå,VDDæ¯è¯ççå·¥ä½çµåï¼é常Vcc>Vddï¼ï¼VSSæ¯æ¥å°ç¹ã
ãã2ãæäºICæ¢æVDDå¼èåæVCCå¼èï¼è¯´æè¿ç§å¨ä»¶èªèº«å¸¦æçµå转æ¢åè½ã
ãã3ãå¨åºæåºç®¡ï¼æCOMSå¨ä»¶ï¼ä¸ï¼VDD为æ¼æï¼VSS为æºæï¼VDDåVSSæçæ¯å
件å¼èï¼èä¸è¡¨ç¤ºä¾çµçµåã
ãã4ãä¸è¬æ¥è¯´VCC=模æçµæº,VDD=æ°åçµæº,VSS=æ°åå°,VEE=è´çµæº
ããå¦å¤ä¸ç§è§£éï¼
ããVccåVddæ¯å¨ä»¶ççµæºç«¯ãVccæ¯åæå¨ä»¶çæ£ï¼Vddå¤åæ¯å级å¨ä»¶çæ£ãä¸æ å¯ä»¥ç解为NPNæ¶ä½ç®¡çéçµæCï¼åPMOS or NMOSåºæåºç®¡çæ¼æDãåæ ·ä½ å¯å¨çµè·¯å¾ä¸çè§VeeåVssï¼å«ä¹ä¸æ ·ãå 为主æµè¯çç»ææ¯ç¡
NPNæ以Vccé常æ¯æ£ãå¦æç¨PNPç»æVcc就为è´äºãèä¹éç¨è¯çæ¶ä¸å®è¦çæ¸
çµæ°åæ°ã
ããVcc æ¥æºäºéçµæçµæºçµå, Collector Voltage, ä¸è¬ç¨äºåæåæ¶ä½ç®¡, PNP 管æ¶ä¸ºè´çµæºçµå, ææ¶ä¹æ æ -Vcc, NPN 管æ¶ä¸ºæ£çµå.
ããVdd æ¥æºäºæ¼æçµæºçµå, Drain Voltage, ç¨äº MOS æ¶ä½ç®¡çµè·¯, ä¸è¬ææ£çµæº. å 为å¾å°åç¬ç¨ PMOS æ¶ä½ç®¡, æä»¥å¨ CMOS çµè·¯ä¸ Vdd ç»å¸¸æ¥å¨ PMOS 管çæºæä¸.
ããVss æºæçµæºçµå, å¨ CMOS çµè·¯ä¸æè´çµæº, å¨åçµæºæ¶æé¶ä¼ææ¥å°.
ããVee åå°æçµæºçµå, Emitter Voltage, ä¸è¬ç¨äº ECL çµè·¯çè´çµæºçµå.
ããVbb åºæçµæºçµå, ç¨äºåææ¶ä½ç®¡çå
±åºçµè·¯.
ããçµè·¯ä¸ç解éï¼
ããå解ï¼
ããVDDï¼çµæºçµåï¼åæå¨ä»¶ï¼ï¼çµæºçµåï¼4000ç³»åæ°åçµ è·¯ï¼ï¼æ¼æçµåï¼åºæåºç®¡ï¼
ããVCCï¼çµæºçµåï¼åæå¨ä»¶ï¼ï¼çµæºçµåï¼74ç³»åæ°åçµè·¯ï¼ï¼å£°æ§è½½æ³¢ï¼Voice Controlled Carrier)
ããVSS:ï¼å°æçµæºè´æ
ããVEEï¼è´çµåä¾çµï¼åºæåºç®¡çæºæï¼Sï¼
ããVPPï¼ç¼ç¨/æ¦é¤çµåã
ãã详解ï¼
ããå¨çµåçµè·¯ä¸ï¼VCCæ¯çµè·¯çä¾çµçµå, VDDæ¯è¯ççå·¥ä½çµåï¼
ããVCCï¼C=circuit 表示çµè·¯çææ, å³æ¥å
¥çµè·¯ççµåï¼ D=device 表示å¨ä»¶çææ, å³å¨ä»¶å
é¨çå·¥ä½çµåï¼å¨æ®éççµåçµè·¯ä¸ï¼ä¸è¬Vcc>Vdd !
ããVSSï¼S=series 表示å
Œ
±è¿æ¥çææï¼ä¹å°±æ¯è´æã
ããæäºIC åæ¶æVCCåVDDï¼ è¿ç§å¨ä»¶å¸¦æçµå转æ¢åè½ã
ããå¨âåºæåºâå³COMSå
件ä¸ï¼VDDä¹CMOSçæ¼æå¼èï¼VSSä¹CMOSçæºæå¼èï¼ è¿æ¯å
件å¼è符å·ï¼å®æ²¡æâVCCâçå称ï¼ä½ çé®é¢å
å«3个符å·ï¼VCC / VDD /VSSï¼ è¿æ¾ç¶æ¯çµè·¯ç¬¦å·ã
é»è¾æ¿ç»´ä¿®æ»ç»ï¼æ£ä¿®æè·¯ï¼
ä¸ãå¤è§æ£æ¥ç主è¯ççµæºIC 滤波çµå®¹çææå
件æ¯å¦åå¨ææ¾ç§é»æé¢è²å¼å¸¸çï¼
äºãæµçµé»æµåä¾çµæµè¯ç¹æ¯å¦åå¨çè·¯é»å¼åå°ï¼ä¿é©ææ å¼è·¯ï¼
ä¸ãæµçµåæµåä¾çµæµåº¦ç¹çµæ¯å¦æ£å¸¸ï¼â çµæºä¾çµVcc5V/12V,â¡ä¸»è¯ç3.3V ï¼2.5Vï¼1.8V,1.2V çï¼â¢VAA14V,VGH20V,VGL-5.5V,â£VREF13V,VCOM 6V)ï¼
åãæµIC ä¿¡å·çº¿å¯¹å°é»å¼LVDS DDRä¸ä¸»è¯çä¹é´æ°æ®äº¤æ¢æ¯å¦æä¸è¯ï¼
äºãæ£æ¥åè¿æ¥çº¿ææçå±çº¿ä¸é»è¾æ¿ãé»è¾æ¿ä¸å±ä¹é´æææ¯å¦åå¨æ¥è§¦ä¸è¯
è§æ¾å
çµ-é»è¾æ¿é¢å¯¼åç
温馨提示:答案为网友推荐,仅供参考