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FDC2212 鏄竴娆鹃珮绮惧害闆诲鏁�(sh霉)瀛楄綁(zhu菐n)鎻涘櫒 (Capacitance-to-Digital Converter, CDC)锛岀敱寰峰窞鍎�鍣� (Texas Instruments) 鎺ㄥ嚭銆傚畠灏堢偤闇�瑕侀珮鍒嗚鲸鐜囧拰浣庡姛鑰楃殑闆诲鍌虫劅鎳夌敤鑰岃ō瑷�锛岄仼鐢ㄤ簬鍚勭ó宸ユキ(y猫)鍜屾秷璨婚鍫存櫙銆�
銆�銆�瑭茶姱鐗囬噰鐢ㄥ厛閫茬殑绠楁硶鍜屾妧琛�(sh霉)锛屽彲浠ュ鐝�(xi脿n)灏嶅井灏忛浕瀹硅畩鍖栫殑绮剧⒑娓噺锛屽緸鑰屾豢瓒虫帴杩戞劅鎳�銆佹恫浣嶆娓�銆佹繒搴︾洠(ji膩n)娓瓑鎳夌敤闇�姹傘�傛澶�锛屽叾鍏�(n猫i)閮ㄩ泦鎴愪簡澶氱ó鍔熻兘妯″锛屽婧害瑁滃劅鍜岃嚜鍕曟牎婧�锛屽彲绨″寲绯荤当(t菕ng)瑷▓骞舵彁楂樺彲闈犳��銆�
鍨嬭櫉锛欶DC2212
銆�銆�鍒堕�犲晢锛歍exas Instruments
銆�銆�灏佽锛歈FN-20
銆�銆�宸ヤ綔闆诲锛�1.7V 鑷� 3.6V
銆�銆�宸ヤ綔闆绘祦锛�500渭A锛堝吀鍨嬪�硷級
銆�銆�鍒嗚鲸鐜囷細28浣�
銆�銆�鎺ュ彛椤炲瀷锛欼2C
銆�銆�娓噺鑼冨湇锛毬�5pF
銆�銆�婧害鑼冨湇锛�-40掳C 鑷� +85掳C
FDC2212 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂樺垎杈ㄧ巼锛氭敮鎸侀珮閬�28浣嶇殑鏈夋晥鍒嗚鲸鐜�锛岃兘澶犵簿纰烘娓サ灏忕殑闆诲璁婂寲銆�
銆�銆�2. 澶氶�氶亾鏀寔锛氬収(n猫i)缃叐鍊嬬崹绔嬬殑婵�鍕甸�氶亾锛屽厑瑷卞悓鏅傛脯閲忓叐鍊嬪偝鎰熷櫒銆�
銆�銆�3. 鍏�(n猫i)缃韩搴﹁鍎燂細閫氶亷闆嗘垚婧害鍌虫劅鍣紝鍙互鏈夋晥鏍℃鐠�(hu谩n)澧冩韩搴﹁畩鍖栧付渚嗙殑瑾ゅ樊銆�
銆�銆�4. 鑷嫊鏍℃簴鍔熻兘锛氳兘澶犲嫊鎱�(t脿i)瑾�(di脿o)鏁村熀婧栧�间互閬╂噳闀锋湡婕傜Щ鎴栫挵(hu谩n)澧冭畩鍖栥��
銆�銆�5. 浣庡姛鑰楄ō瑷堬細鍦ㄥ緟姗熸ā寮忎笅鍍呮秷鑰楀咕寰畨闆绘祦锛岄潪甯搁仼鍚堥浕姹犱緵闆昏ō鍌�銆�
銆�銆�6. 灏忓瀷灏佽锛氶噰鐢ㄧ穵婀婄殑 QFN-20 灏佽锛岀瘈(ji茅)鐪侀浕璺澘绌洪枔銆�
銆�銆�7. 寤ｆ硾鐨勬噳鐢ㄦ敮鎸侊細閬╃敤浜庢帴杩戞劅鎳�銆佹墜鍕㈣瓨鍒ャ�佹恫浣嶆娓瓑澶氱ó鎳夌敤鍫存櫙銆�
FDC2212 涓昏鎳夌敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1. 娑堣不闆诲瓙锛氱敤浜庤Ц鎽告寜閸�銆佹粦姊濆拰鎺ヨ繎鎰熸噳绛夊姛鑳姐��
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栵細鐢ㄤ簬娑蹭綅鐩�(ji膩n)娓�銆佺墿鏂欐祦閲忕洠(ji膩n)鎺у拰闈炴帴瑙稿紡浣嶇疆妾㈡脯銆�
銆�銆�3. 閱�(y墨)鐧傝ō鍌欙細鐢ㄤ簬鍛煎惛鐩�(ji膩n)娓�佹恫楂旀祦閲忔帶鍒跺拰鍏朵粬閱�(y墨)鐧傚偝鎰熶换鍕�銆�
銆�銆�4. 鏅鸿兘瀹跺眳锛氱敤浜庣劇鎺ヨЦ闁嬮棞(gu膩n)銆佹墜鍕㈣瓨鍒ュ拰鐠�(hu谩n)澧冪洠(ji膩n)鎺�銆�
銆�銆�5. 姹借粖闆诲瓙锛氱敤浜庡骇妞呭崰鐢ㄦ娓�佽粖鍏�(n猫i)鎺ヨ繎鎰熸噳绛夊畨鍏ㄧ浉闂�(gu膩n)鍔熻兘銆�
FDC2214, FDC2215
