AD7245A/AD7248Aåå«æ¯ä¸çæ å产åAD7245/AD7248çå¢å¼ºåçæ¬ï¼å
·ä½æ¹è¿å
æ¬ï¼éç¨12 Vè³15 Vçµæºä¾çµã±1/2 LSB线æ§åº¦ç级ãæ¥å£æ¶é´æ´å¿«ã满éç¨ååèçµåéVDDçæ³¢å¨æ§è½æ´ä½³ãå
¶å®ç¹æ§å
æ¬æ©å±åç¨çº§åå·¥ä¸çº§äº§åçå·¥ä½æ¸©åº¦èå´ã
AD7245A/AD7248Aæ¯å®æ´ç12ä½ãçµåè¾åºæ°æ¨¡è½¬æ¢å¨ï¼å®å°è¾åºæ¾å¤§å¨åé½çº³åºåçµåæºéæå¨åä¸CMOSè¯çä¸ãæ éç¨æ·è¿è¡å¤é¨è°æ´ä¾¿å¯å®ç°å
¨é¨é¢å®æ§è½ã
两款å¨ä»¶åä¸å¾®å¤çå¨å
¼å®¹ï¼å¹¶é
æé«éæ°æ®éåå¨ååç¼å²æ¥å£é»è¾ãAD7245Aæ¥å12ä½å¹¶è¡æ°æ®ï¼æ°æ®å¨CSæWRçä¸å沿载å
¥è¾å
¥éåå¨ãAD7248Aå
·æä¸ä¸ª8ä½å®½æ°æ®æ»çº¿ï¼æ°æ®éè¿ä¸¤æ¬¡åæä½è½½å
¥è¾å
¥éåå¨ã两款å¨ä»¶åéè¿å¼æ¥LDACä¿¡å·å°è¾å
¥éåå¨ä¸çæ°æ®ä¼ è¾è³DACéåå¨ï¼å¹¶æ´æ°æ¨¡æè¾åºãAD7245AçDACéåå¨ä¸è¿æä¸ä¸ªCLRä¿¡å·ï¼å¯ä»¥å®ç°ä¸çµå¤ä½çç¹æ§ã
5 Vçå
åµå
¥å¼é½çº³äºæ管æä¾DACæéçä½åªå£°ã温度补å¿å¼åºåçµåæºãéç¨åçµæºä¾çµæ¶ï¼å¯ä»¥æä¾0 Vè³+5 Vå0 Vè³+10 V两ç§è¾åºèå´ï¼éç¨åçµæºä¾çµæ¶ï¼é¤ä»¥ä¸ä¸¤ç§è¾åºèå´å¤ï¼è¿é¢å¤æä¾Â±5 Vè¾åºèå´ãè¾åºæ¾å¤§å¨è½å¤å¨ä¸ä¸ª2 kâ¦è´è½½ä¸äº§ç+10 V对å°(GND)çµåã
AD7245A/AD7248Aéç¨çº¿æ§å
¼å®¹CMOS (LC2MOS),å·¥èºå¶é ï¼è¿æ¯ä¸ç§å°ç²¾å¯çåææ§çµè·¯ä¸ä½åèCMOSé»è¾ç¸ç»åçå
è¿æ·· åå·¥èºææ¯ãAD7245Aéç¨0.3"宽ã24å¼èå°åDIPãSOICå28å¼è表贴å°è£
ãAD7248Aéç¨0.3"宽ã20å¼èå°åDIPãSOICå20å¼è表贴å°è£
ã