AD7152BRMZ 12ä½çµå®¹æ°å转æ¢å¨ï¼2个çµå®¹è¾å
¥ééï¼
AD7152/AD7153å为12ä½Σ-Δåçµå®¹æ°å转æ¢å¨(CDC)ï¼è¦æµéççµå®¹å¯ç´æ¥è¿æ¥å°å¨ä»¶è¾å
¥ç«¯ã该å¨ä»¶ç»æå
·æé«å辨çï¼12使 失ç ãæé«12使æå辨çï¼åé«çº¿æ§åº¦(±0.05%)çåºæç¹æ§ã两款å¨ä»¶å¨æ¯ç§å·¥ä½æ¨¡å¼ä¸åæåç§çµå®¹è¾å
¥èå´ï¼å¨å·®å模å¼ä¸ä¸º± 0.25 pFè³±2 pFï¼å¨å端模å¼ä¸ä¸º0.5 pFè³4 pFã
AD7152/AD7153坿¥åæå¤§5 pFå
±æ¨¡çµå®¹ï¼ä¸å¯åï¼ï¼åè
å¯ä»¥éè¿ä¸ä¸ªå¯ç¼ç¨çå
æ°åçµå®¹è½¬æ¢å¨(CAPDAC)æ¥å¹³è¡¡ã
AD7153æ¥æä¸ä¸ªçµå®¹è¾å
¥ééï¼AD7152忥æä¸¤ä¸ªééãæ¯ä¸ªééåå¯é
置为å端è¾å
¥æå·®åè¾å
¥æ¹å¼ã两款å¨ä»¶åé对浮å¨å¼çµå® ¹ä¼ æå¨è设计ã
AD7152/AD7153åæä¸ä¸ªå线å¼I2C®å
¼å®¹ä¸²è¡æ¥å£ãäºè
åå¯éç¨2.7 Vè³3.6 Våçµæºä¾çµï¼é¢å®æ¸©åº¦èå´ä¸º−40°Cè³+85°Cï¼éç¨10å¼èMSOPå°è£
ã
åºç¨
- 汽车çµåãå·¥ä¸åå»çç³»ç»ï¼ç¨äºï¼
ååæµéä½ç½®æ£æµæ¶²ä½æ£æµæµéè®¡æ¹¿åº¦æ£æµ
ç¹ç¹åä¼å¿
çµå®¹æ°å转æ¢å¨
- 䏿µ®å¨å¼ä¼ æå¨æ¥å£
- å辨çï¼æä½0.25 fFï¼å³æé«12 ENOBï¼
- 线æ§åº¦ï¼0.05%
- å
±æ¨¡ï¼ä¸å¯åï¼çµå®¹æå¤§å¯è¾¾5 pF
- å
鍿¶éæ¯è¡å¨
- å线å¼ä¸²è¡æ¥å£ï¼I2Cå
¼å®¹ï¼
- åçµæºä¾çµï¼2.7 Vè³3.6 Vï¼åèï¼100 μA