鏅傞枔锛�2025/5/12 10:38:58
闁辫畝锛�27
OPA2340EA 鏄竴娆鹃洐閫氶亾浣庡櫔鑱�銆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鐞嗕互鍙婇煶闋昏檿鐞嗙瓑鍫存櫙銆�
銆�銆�鍏惰ō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兘鐨勯渶姹傦紝鍚屾檪鍏峰倷杌屽埌杌岃几鍑烘摵骞呰兘鍔�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瑷�銆�
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��銆�
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 椹呭嫊銆�
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瑷堢啊鍖栦簡澶栭儴鍏冧欢闇�姹�锛屾湁鍔╀簬娓涘皯 PCB 鍗犵敤绌洪枔鍜屾垚鏈��
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鍌欎腑鐨勪俊铏熸斁澶ц垏瑾跨悊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. 闊抽牷铏曠悊闋樺煙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�鍣紝濡傜ず娉㈠櫒鍓嶇鏀惧ぇ鍣�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拰瑾垮埗瑙ｈ鍣�銆�
銆�銆�6. 闆绘睜渚涢浕渚挎敎寮忚ō鍌欎腑鐨勪綆鍔熻�椾俊铏熻檿鐞嗘ā濉�銆�
OPA234, OPA211, AD8628
