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闁辫畝锛�32
AD7872AQ 鏄竴娆鹃珮鎬ц兘鐨�12浣嶆ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒锛圓DC锛夛紝閲囩敤閫愭閫艰繎瀵勫瓨鍣紙SAR锛夋灦妲�锛屾彁渚涢珮绮惧害鍜屽揩閫熻綁(zhu菐n)鎻涜兘鍔�銆傚畠鍏锋湁闆欓�氶亾杓稿叆锛屾敮鎸佸樊鍒嗘垨鍠淇¤櫉閲囬泦锛岄仼鐢ㄤ簬宸ユキ(y猫)鎺у埗銆侀啱(y墨)鐧傝ō鍌欏拰鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)绛夊皪绮惧害鍜岄�熷害瑕佹眰杓冮珮鐨勬噳鐢ㄩ牁鍩�銆�
銆�銆�瑭插櫒浠堕泦鎴愪簡閲囨ǎ淇濇寔鏀惧ぇ鍣紙SHA锛夈�佸弮鑰冮浕澹撶珐娌栧櫒浠ュ強鏁�(sh霉)瀛楁帴鍙ｉ浕璺�锛屽彲浠ョ啊鍖栫郴绲�(t菕ng)瑷▓骞舵笡灏戝鍦嶅厓浠剁殑鏁�(sh霉)閲忋�傛澶�锛孉D7872AQ 鎻愪緵浜嗗绋姛鑰楁ā寮忛伕鎿�锛屼娇鐢ㄦ埗鑳藉鍦ㄦ�ц兘鍜屽姛鑰椾箣闁撳彇寰楁渶浣冲钩琛�銆�
鍒嗚鲸鐜囷細12浣�
銆�銆�鏈�澶ч噰妯ｉ�熺巼锛�200 kSPS
銆�銆�闆绘簮闆诲鑼冨湇锛�4.75 V 鑷� 5.25 V
銆�銆�杓稿叆椤炲瀷锛氶洐閫氶亾宸垎/鍠
銆�銆�绌嶅垎闈炵窔鎬ц宸紙INL锛夛細卤1 LSB
銆�銆�寰垎闈炵窔鎬ц宸紙DNL锛夛細卤1 LSB
銆�銆�淇″櫔姣旓紙SNR锛夛細73 dB
銆�銆�灏佽褰㈠紡锛�28寮曡叧SOIC鎴朤SSOP
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
AD7872AQ 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂橀�� 12 浣� SAR ADC锛岀⒑淇濆揩閫熻�岀簿纰虹殑鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻�銆�
銆�銆�2. 鍏�(n猫i)缃噰妯ｄ繚鎸佹斁澶у櫒锛屽厑瑷辫檿鐞嗗揩閫熻畩鍖栫殑杓稿叆淇¤櫉銆�
銆�銆�3. 鏀寔宸垎鍜屽柈绔几鍏ラ厤缃�锛岄潏娲婚仼鎳夊悇绋噳鐢ㄥ牬鏅��
銆�銆�4. 鎻愪緵鐗囧収(n猫i)鍩烘簴闆诲婧愬強绶╂矕鍣�锛岄檷浣庡皪澶栭儴鍏冧欢鐨勯渶姹�銆�
銆�銆�5. 鏁�(sh霉)瀛楁帴鍙ｅ吋瀹逛笁鎱�(t脿i)杓稿嚭锛屼究浜庤垏寰帶鍒跺櫒鎴栧叾浠栨暩(sh霉)瀛楅倧杓�ｆ帴銆�
銆�銆�6. 绡�(ji茅)闆绘ā寮忎笅闆绘祦娑堣�楅’钁楅檷浣庯紝閬╁悎渚挎敎寮忔垨浣庡姛鑰楃郴绲�(t菕ng)銆�
銆�銆�7. 灏忓瀷灏佽閬搁爡鏈夊姪浜庣瘈(ji茅)鐪丳CB绌洪枔锛屽悓鏅備繚鎸佽壇濂界殑闆绘埃鎬ц兘銆�
AD7872AQ 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勬暩(sh霉)鎿�(j霉)閲囬泦妯″銆�
銆�銆�2. 閱�(y墨)鐧傚剙鍣ㄥ蹇冮浕鍦栧剙銆佽秴鑱叉尝妾㈡脯鍎�绛夐渶瑕侀珮绮惧害娓噺鐨勫牬鏅�銆�
銆�銆�3. 閫氫俊绯荤当(t菕ng)涓殑淇¤櫉鐩�(ji膩n)娓垏鍒嗘瀽鍔熻兘銆�
銆�銆�4. 娓│鑸囨脯閲忓剙鍣�锛屼緥濡傜ず娉㈠櫒銆侀牷璀滃垎鏋愬剙绛�銆�
銆�銆�5. 姹借粖闆诲瓙绯荤当(t菕ng)涓殑鍌虫劅鍣ㄦ帴鍙ｉ浕璺��
銆�銆�6. 鐠�(hu谩n)澧冪洠(ji膩n)鎺ц缃�锛岀敤浜庢韩搴�銆佸鍔涖�佹繒搴︾瓑鐗╃悊閲忕殑鏁�(sh霉)瀛楀寲杞�(zhu菐n)鎻�銆�
AD7872BQ, AD7873AQ
