OPA4171 鏅傞枔锛�2025/5/21 23:19:34 闁辫畝锛�23

OPA4171 鏄竴娆句綆鍔熻€�銆侀珮绮惧害鐨勯亱绠楁斁澶у櫒锛岄噰鐢–MOS鎶€琛�(sh霉)瑷�(sh猫)瑷�銆傝┎鍣ㄤ欢鍏锋湁妤典綆鐨勮几鍏ュけ瑾�(di脿o)闆诲鍜屽亸缃浕娴�锛岄潪甯搁仼鍚堢敤浜庝究鏀滃紡瑷�(sh猫)鍌�銆佸偝鎰熷櫒淇¤櫉瑾�(di脿o)鐞嗕互鍙婂伐妤�(y猫)娓噺绛夋噳(y墨ng)鐢ㄤ腑銆�
銆€銆€OPA4171 鎻愪緵浜嗗嚭鑹茬殑闆绘簮鎶戝埗姣旓紙PSRR锛夊拰鍏辨ā鎶戝埗姣旓紙CMRR锛夛紝鑳藉鍦ㄥ唬娉涚殑闆绘簮闆诲鑼冨湇鍏�(n猫i)淇濇寔绌�(w臎n)瀹氱殑鎬ц兘銆傚叾鍠浕婧愬伐浣滆兘鍔涗娇鍏堕潪甯搁仼鍚堥浕姹犱緵闆荤郴绲�(t菕ng)銆�

鍙冩暩(sh霉)

渚涢浕闆诲鑼冨湇锛�1.8V 鑷� 5.5V
銆€銆€甯跺锛�2 MHz
銆€銆€澧炵泭甯跺绌嶏細2 MHz
銆€銆€杓稿叆澶辫(di脿o)闆诲锛�5 渭V
銆€銆€鍋忕疆闆绘祦锛�300 pA
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€灏佽褰㈠紡锛歋OIC-8, VSSOP-8

鐗规€�

OPA4171 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 妤典綆鐨勮几鍏ュけ瑾�(di脿o)闆诲锛屽吀鍨嬪€肩偤5渭V锛屾湁鍔╀簬瀵︾従(xi脿n)楂樼簿搴︿俊铏熻檿鐞�銆�
銆€銆€2. 闈炲父浣庣殑鍋忕疆闆绘祦锛屽儏300pA锛岄仼鍚堥珮闃绘姉婧愮殑鎳�(y墨ng)鐢ㄣ€�
銆€銆€3. 瀵浕婧愰浕澹撹寖鍦嶏紙1.8V鑷�5.5V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€4. 瓒呬綆鍣伈瑷�(sh猫)瑷�锛屽甯跺櫔鑱查浕澹撳瘑搴﹀儏鐐�9 nV/鈭欻z銆�
銆€銆€5. 鍠浕婧愬伐浣滄ā寮�锛岀啊鍖栦簡闆昏矾瑷�(sh猫)瑷堬紝鐗瑰垾閬╃敤浜庨浕姹犱緵闆荤郴绲�(t菕ng)銆�
銆€銆€6. 鍑鸿壊鐨勯浕婧愭姂鍒舵瘮锛圥SRR锛夊拰鍏辨ā鎶戝埗姣旓紙CMRR锛�锛岀⒑淇濆湪寰�(f霉)闆滈浕纾佺挵(hu谩n)澧冧笅淇濇寔绌�(w臎n)瀹氭€с€�
銆€銆€7. 灏忓瀷灏佽閬搁爡锛堝VSSOP-8锛�锛屼究浜庣┖闁撳彈闄愮殑瑷�(sh猫)瑷堝牬鏅�銆�

鎳�(y墨ng)鐢�

OPA4171 鍙唬娉涙噳(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 渚挎敎寮忛啱(y墨)鐧傝ō(sh猫)鍌�锛屼緥濡傝剤鎼忚姘у剙銆佸績闆诲湒鍎€绛�銆�
銆€銆€2. 宸ユキ(y猫)鑷嫊鍖栦腑鐨勫偝鎰熷櫒淇¤櫉瑾�(di脿o)鐞�锛屽寘鎷鍔�銆佹韩搴�銆佸姞閫熷害绛夊偝鎰熷櫒鎺ュ彛銆�
銆€銆€3. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)锛岀壒鍒ユ槸闇€瑕侀珮绮惧害ADC椹�(q奴)鍕曠殑鎳�(y墨ng)鐢ㄣ€�
銆€銆€4. 娑堣不椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勯煶闋讳俊铏熻檿鐞�銆�
銆€銆€5. 闆绘睜绠＄悊绯荤当(t菕ng)锛岀敤浜庣洠(ji膩n)娓浕姹犻浕澹撴垨闆绘祦淇¤櫉銆�
銆€銆€6. 娓│鑸囨脯閲忚ō(sh猫)鍌�锛屽绀烘尝鍣ㄥ墠绔斁澶ч浕璺€�