鏅傞枔锛�2025/4/28 10:39:36
闁辫畝锛�34
OPA2991 鏄竴娆鹃珮鎬ц兘銆佷綆鍣伈銆侀珮绮惧害鐨勯洐閫氶亾閬嬬畻鏀惧ぇ鍣紝閬╃敤浜庡皪淇¤櫉瀹屾暣鎬ц姹傝純楂樼殑鎳夌敤鍫村悎銆傝┎鍣ㄤ欢閲囩敤鍏堥�茬殑BiFET宸ヨ棟鍒堕�狅紝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(CMRR)锛岄潪甯搁仼鍚堢簿瀵嗕俊铏熻鐞嗕换鍕�銆傚叾宸ヤ綔闆诲鑼冨湇瀵紙卤2.25V鑷陈�18V锛�锛岃兘澶犳豢瓒冲绋浕婧愮挵(hu谩n)澧冧笅鐨勯渶姹�銆�
銆�銆�OPA2991 鍦ㄩ煶闋昏檿鐞�銆侀啱(y墨)鐧傝ō鍌�銆佸伐妤�(y猫)鎺у埗浠ュ強閫氫俊绯荤当(t菕ng)涓〃鐝�(xi脿n)鍑鸿壊锛屾敮鎸佸闋诲付鎿嶄綔骞舵彁渚涘揩閫熺殑澹撴摵鐜�銆�
渚涢浕闆诲锛毬�2.25V 鑷� 卤18V
銆�銆�澧炵泭甯跺绌嶏細36MHz
銆�銆�澹撴摵鐜囷細8V/渭s
銆�銆�杓稿叆鍋忕疆闆绘祦锛�0.5pA锛堝吀鍨嬪�硷級
銆�銆�杓稿叆闆诲鍣伈瀵嗗害锛�1.7nV/鈭欻z
銆�銆�鍏辨ā鎶戝埗姣旓細120dB
銆�銆�鍠綅澧炵泭绌�(w臎n)瀹氾細鏄�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歋OIC-8, SOT23-6
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銆�銆�閫欐閬嬫斁鏀寔杌屽埌杌岃几鍑烘摵骞咃紝鍦ㄦ璨犻浕婧愯粚闄勮繎鍙互瀵︾従(xi脿n)鎺ヨ繎婊垮箙搴︾殑杓稿嚭淇¤櫉锛屽緸鑰屾摯澶т簡鍕曟厠(t脿i)鑼冨湇銆傚悓鏅�锛屽畠鐨勫姛鑰楃浉灏嶈純浣�锛岄仼鍚堜究鏀滃紡闆绘睜渚涢浕瑷倷浣跨敤銆�
銆�銆�鐢变簬閲囩敤浜嗙壒娈婄殑灞忚斀鎶�琛�锛孫PA2991 灏嶉浕纾佸共鎿惧叿鏈夎純寮风殑鎶垫姉鑳藉姏锛屼繚璀変簡寰╅洔闆荤鐠�(hu谩n)澧冧笅浠嶈兘淇濇寔绌�(w臎n)瀹氶亱琛�銆�
OPA2991 寤ｆ硾鎳夌敤浜庨渶瑕侀珮绮惧害鍜屼綆鍣伈鐗规�х殑闋樺煙锛屼緥濡傦細
銆�銆�- 闊抽牷鍓嶇疆鏀惧ぇ鍣�
銆�銆�- 閱�(y墨)鐧傚剙鍣ㄥ蹇冮浕鍦�(ECG)姗�銆佽秴鑱叉尝瑷倷绛�
銆�銆�- 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑淇¤櫉瑾跨瘈(ji茅)妯″
銆�銆�- 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鐨勬ā鎿墠绔�
銆�銆�- 娓│鑸囨脯閲忓剙鍣ㄥ绀烘尝鍣ㄣ�佷俊铏熺櫦(f膩)鐢熷櫒绛�
銆�銆�- 鍏夊鍌虫劅鍣ㄤ俊铏熸斁澶�
銆�銆�- 鐒＄窔閫氫俊鍩虹珯鐨勬帴鏀堕張璺俊铏熷寮�
OPA211, OPA2810, AD8676
