ç¹ç¹
V S = 5Vï¼R L = 1kΩçï¼T A = 25 ° CåA V = 1ï¼é¤éå¦æè§å®ã
å·¥ä½çµåèå´ |
2.7Vè³11V |
æ¯ééçä¾çµçµæµ |
1.25 mAç |
å°ä¿¡å·å¸¦å®½ |
130å
赫 |
è¾å
¥å¤±è°çµåï¼éå¶å¨25 ° Cï¼ |
± 0.6 mVç |
åæç |
55 V /μsç |
建ç«æ¶é´è³0.1ï¼
|
90çº³ç§ |
稳å®æ¶é´ä¸º0.01ï¼
|
为120 ns |
SFDRï¼F = 100åèµ«ï¼ ä¸ä¸ª V = 1ï¼V OUT = 2 V PPï¼ |
100 dBcç |
0.1 dB带宽ï¼A V = 2ï¼ |
15å
赫 |
ä½çµååªå£° |
10 NV / √ 赫å
¹
|
å·¥ä¸çº§æ¸©åº¦ |
-40 ° Cè³+125 ° C |
轨å°è½¨è¾å
¥åè¾åº |
说æ
ï¼åä¸å
³æºï¼ï¼çLMH6618åLMH6619ï¼åï¼æ¯130 MHzç轨è³è½¨è¾å
¥åè¾åºæ¾å¤§å¨å¨å¹¿æ³çåºç¨ï¼éè¦é«éï¼ä½çµæºçµæµï¼åªé³ä½ï¼è½ååæç¨æ§è设计ç驱å¨å¤æADCåè§é¢è´è½½ã å·¥ä½çµåèå´ä»2.7Vè³11Vï¼çµæºçµæµé常æ¯5Væ¶ï¼æ¯éé1.25毫å®ã LMH6618åLMH6619çPowerWiseæå ™ 家åºåæä¸ä¸ªåºè²çåçæ§è½æ¯ã
çµååé¦æ¾å¤§å¨ç设计ææç»ææä¾äºå¹³è¡¡è¾å
¥åé«å¼ç¯å¢ç为便äºä½¿ç¨åææºæ»¤æ³¢å¨è®¾è®¡ï¼å¦åºç¨çåç¡®æ§ã 失è°çµåé常为0.1 mVå0.01ï¼
建ç«æ¶é´ä¸º120 nsçç»åå¨100 kHzä¸100 dBcçSFDRï¼è¾å
¥ç¼å²åºçä¸é¨åéå使ç¨æµè¡ç8ä½ï¼10ä½ï¼12ä½å14ä½è¶
级éæ ·çADCã
è¾å
¥å
±æ¨¡èå´è¶
åºçµæºè½¨200 mVçã ä¸ä¸ª5Våçµæºä¾çµï¼ä¸å°é¢ç»æ¢150Ωè´è½½çè¾åºæå¹
å¨37毫ä¼çå°é¢éè·¯ï¼èéè·¯ä¸æ¬ç»æ¢1kΩçè´è½½æå¨77 MVæ 论æ¯éè·¯ï¼æä¾çæ£çåçµæºæä½åæ大信å·å¨æä½åè轨èå´ã æ¾å¤§å¨çè¾åºæºåæ±35 mAå30 pFçè´è½½é©±å¨å¨ï¼èä¸éè¦å¤é¨è¡¥å¿ã
LMH6618ä½ææç¦ç¨å¼èï¼ä»èéä½äºçµæºçµæµä¸º72μAï¼å¹¶æä¾ç©ºé´èç6å¼èTSOT23å°è£
ã LMH6619æ¯å¨8å¼èSOICå°è£
æä¾ã LMH6618åLMH6619å¯ä¸º-40 ° Cè³+125 ° Cæ©å±å·¥ä¸çº§æ¸©åº¦ã
åºç¨
- ADC驱å¨å¨
- DACçç¼å²åº
- ææºæ»¤æ³¢å¨
- é«è½¬éä¼ æå¨æ¾å¤§å¨
- çµæµæ£æµæ¾å¤§å¨
- 便æºå¼è§é¢
- çµè§æºé¡¶çï¼è§é¢æ¾å¤§å¨
|