鏅傞枔锛�2025/5/6 12:47:07
闁辫畝锛�26
OPA2187鏄痉宸炲剙鍣紙TI锛夋帹鍑虹殑涓�娆鹃珮鎬ц兘闆欓�氶亾閬嬬畻鏀惧ぇ鍣�銆傚畠灞簬浣庡櫔鑱�銆佷綆澶辩湡銆侀珮甯跺鐨勯亱绠楁斁澶у櫒绯诲垪锛岄潪甯搁仼鍚堢敤浜庨煶闋昏檿鐞�銆佺簿瀵嗕俊铏熻鐞嗗拰楂橀�熸噳鐢ㄥ牬鍚�銆�
銆�銆�OPA2187閲囩敤浜嗗厛閫茬殑BiFET宸ヨ棟鍒堕�狅紝鑳藉鍦ㄨ純瀵殑宸ヤ綔闆诲鑼冨湇鍏ф彁渚涘崜瓒婄殑鎬ц兘銆傚叾瑷▓鍎�(y艒u)鍖栦簡澧炵泭甯跺绌嶅拰澹撴摵鐜囷紝鑳藉婊胯冻鑻涘埢鐨勬噳鐢ㄩ渶姹�銆�
渚涢浕闆诲锛毬�5V鑷陈�15V
銆�銆�杓稿叆鍋忕疆闆绘祦锛�10nA
銆�銆�杓稿叆澶辫闆诲锛�2mV
銆�銆�闁嬬挵(hu谩n)澧炵泭锛�10^6
銆�銆�澧炵泭甯跺绌嶏細45MHz
銆�銆�杞夋彌閫熺巼锛�15V/渭s
銆�銆�鍏辨ā鎶戝埗姣旓細92dB
銆�銆�闆绘簮鎶戝埗姣旓細86dB
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩冭嚦+125鈩�
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銆�銆�姝ゅ锛孫PA2187鍏峰倷妤典綆鐨勫け鐪熺壒鎬�锛屽湪楂樺鐩婃噳鐢ㄤ腑浠嶈兘淇濇寔鑹ソ鐨勭窔鎬у害銆�
銆�銆�鍦ㄥ皝瑁濇柟闈�锛孫PA2187鎻愪緵浜嗘婧栫殑8寮曡叧SOIC鍜孭DIP灏佽閬搁爡锛屼究浜嶱CB甯冨眬鑸囧畨瑁�銆�
OPA2187寤ｆ硾鎳夌敤浜庡皥妤�(y猫)闊抽牷瑷倷涓殑鍓嶇疆鏀惧ぇ鍣�锛屽瑾块煶鑷�銆侀亥鍏嬮ⅷ鏀惧ぇ鍣ㄧ瓑銆�
銆�銆�瀹冧篃鍙敤浣滃伐妤�(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)鐨勪俊铏熻鐞嗘ā濉婏紝铏曠悊渚嗚嚜澹撳姏銆佹韩搴︽垨鍏朵粬椤炲瀷鍌虫劅鍣ㄧ殑寰急淇¤櫉銆�
銆�銆�鍙﹀锛屽湪閱�(y墨)鐧傞浕瀛愰牁鍩�锛屼緥濡傚績闆诲湒鍎�鎴栬秴鑱叉尝瑷烘柗瑷倷涓�锛孫PA2187鍚屾ǎ琛ㄧ従鍑鸿壊锛岃兘澶犳簴纰烘崟鎹夌敓鐗╅浕淇¤櫉銆�
銆�銆�灏嶄簬闇�瑕佸揩閫熼熆鎳夌殑闆昏矾瑷▓锛屾瘮濡傚厜绾栭�氫俊鎺ユ敹绔殑鏁告摎鎭㈠京闆昏矾锛孫PA2187涔熸槸涓�鍊嬩笉閷殑閬告搰銆�
OPA2188, OPA2134, AD8620
