鏅傞枔锛�2025/5/12 10:38:58
闁辫畝锛�34
OPA2340EA 鏄竴娆鹃洐閫氶亾浣庡櫔鑱层�侀珮绮惧害閬嬬畻鏀惧ぇ鍣�锛岄仼鐢ㄤ簬灏嶄俊铏熷畬鏁存�ц姹傝純楂樼殑鎳夌敤鍫村悎銆傝┎鍣ㄤ欢鍏锋湁妤典綆鐨勮几鍏ュ亸缃浕娴佸拰楂樺叡妯℃姂鍒舵瘮锛圕MRR锛�锛岄仼鍚堢簿瀵嗕俊铏熻(di脿o)鐞嗕互鍙婇煶闋昏檿鐞嗙瓑鍫存櫙銆�
銆�銆�鍏惰ō(sh猫)瑷堟棬鍦ㄦ豢瓒冲伐妤�(y猫)銆侀啱(y墨)鐧傚拰閫氫俊绯荤当(t菕ng)涓皪浣庡け鐪熷拰浣庡櫔鑱叉�ц兘鐨勯渶姹�锛屽悓鏅傚叿鍌欒粚鍒拌粚杓稿嚭鎿哄箙鑳藉姏锛屽彲浠ユ彁渚涙洿澶х殑鍕曟厠(t脿i)鑼冨湇銆�
渚涢浕闆诲锛毬�2.25V 鑷� 卤18V
銆�銆�甯跺锛�8MHz
銆�銆�澧炵泭甯跺绌嶏細8MHz
銆�銆�澹撴摵鐜囷細4V/渭s
銆�銆�杓稿叆鍋忕疆闆绘祦锛�1pA
銆�銆�杓稿叆澶辫(di脿o)闆诲锛�25渭V
銆�銆�鍏辨ā鎶戝埗姣旓紙CMRR锛夛細120dB
銆�銆�闆绘簮闆绘祦锛�2.6mA/閫氶亾
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
OPA2340EA 鎻愪緵鍑鸿壊鐨勭洿娴佺簿搴﹀拰浜ゆ祦鎬ц兘锛岄潪甯搁仼鍚堥渶瑕侀珮绮惧害鍜屼綆鍣伈鐨勯浕璺ō(sh猫)瑷堛��
銆�銆�1. 妤典綆鐨勮几鍏ュ亸缃浕娴� (1pA)锛屼娇鍏跺湪楂橀樆鎶楀偝鎰熷櫒鎺ュ彛涓〃鐝�(xi脿n)鍑鸿壊銆�
銆�銆�2. 楂� CMRR (120dB) 鍜屼綆杓稿叆澶辫(di脿o)闆诲 (25渭V)锛岀⒑淇濅簡鍗充娇鍦ㄦ儭鍔ｇ挵(hu谩n)澧冧笅涔熻兘淇濇寔淇¤櫉鐨勬簴纰烘�с��
銆�銆�3. 杌屽埌杌岃几鍑烘摵骞呮敮鎸佹洿瀵硾鐨勪俊铏熷箙搴﹁几鍑�锛岀壒鍒ラ仼鍚堝绱氭斁澶у櫒鎴� ADC 椹�(q奴)鍕�銆�
銆�銆�4. 瀵唬鐨勫伐浣滈浕澹撹寖鍦嶏紙卤2.25V 鑷� 卤18V锛�锛屼娇鍏惰兘澶犻仼鎳夊绋笉鍚岀殑闆绘簮鐠�(hu谩n)澧�銆�
銆�銆�5. 鍏�(n猫i)閮ㄨ鍎熻ō(sh猫)瑷堢啊鍖栦簡澶栭儴鍏冧欢闇�姹傦紝鏈夊姪浜庢笡灏� PCB 鍗犵敤绌洪枔鍜屾垚鏈�銆�
銆�銆�6. 鍎�(y艒u)鐣扮殑婧害绌�(w臎n)瀹氭�т繚璀変簡鍣ㄤ欢鍦ㄦサ绔韩搴︽浠朵笅浠嶈兘缍寔绌�(w臎n)瀹氱殑鎬ц兘琛ㄧ従(xi脿n)銆�
OPA2340EA 寤ｆ硾鎳夌敤浜庡悇绋珮鎬ц兘妯℃摤闆昏矾锛�
銆�銆�1. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勪俊铏熸斁澶ц垏瑾�(di脿o)鐞�锛屼緥濡傚績闆诲湒姗�銆佽秴鑱叉尝鎺ユ敹鍣ㄧ瓑銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栨帶鍒朵腑鐨勬暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)锛屽鎳夎畩瑷堟斁澶�銆佺啽闆诲伓鎺ュ彛銆�
銆�銆�3. 闊抽牷铏曠悊闋�(l菒ng)鍩�锛岀敤浜庡墠缃斁澶у櫒銆佹湁婧愭烤娉㈠櫒鍜屾贩闊宠嚭銆�
銆�銆�4. 娓│娓噺鍎�鍣�锛屽绀烘尝鍣ㄥ墠绔斁澶у櫒銆佹暩(sh霉)瀛楀鐢ㄨ〃銆�
銆�銆�5. 閫氫俊绯荤当(t菕ng)涓殑淇¤櫉閺堣矾鍎�(y艒u)鍖�锛屼緥濡� IF 鏀惧ぇ鍣ㄥ拰瑾�(di脿o)鍒惰В瑾�(di脿o)鍣�銆�
銆�銆�6. 闆绘睜渚涢浕渚挎敎寮忚ō(sh猫)鍌欎腑鐨勪綆鍔熻�椾俊铏熻檿鐞嗘ā濉娿��
OPA234, OPA211, AD8628
