鏅傞枔锛�2025/5/9 17:59:30
闁辫畝锛�23
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銆�銆�OPA1642鑳藉鍦ㄥ闆绘簮闆诲鑼冨湇鍏�(n猫i)宸ヤ綔锛屾彁渚涚┅(w臎n)瀹氱殑澧炵泭甯跺鍜屽揩閫熺殑澹撴摵鐜囷紝鍚屾檪淇濇寔杓冧綆鐨勫姛鑰�銆傚叾杓稿叆绱氳ō瑷堜娇寰楄┎閬嬫斁闈炲父閬╁悎椹呭嫊楂樺垎杈ㄧ巼妯℃暩(sh霉)杞夋彌鍣紙ADC锛夛紝骞惰兘鍦ㄥ悇绋矤杓夋浠朵笅淇濇寔绶氭�ф�ц兘銆�
渚涢浕闆诲鑼冨湇锛毬�2.5V鑷陈�18V
銆�銆�澧炵泭甯跺绌嶏細10MHz
銆�銆�澹撴摵鐜囷細7V/渭s
銆�銆�杓稿叆鍋忕疆闆绘祦锛�2pA
銆�銆�杓稿叆澶辫闆诲锛�10渭V
銆�銆�绺借娉㈠け鐪熷姞鍣伈锛圱HD+N锛夛細-114dB
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C鑷�+85掳C
銆�銆�灏佽褰㈠紡锛歏SSOP-8
銆�銆�姣忛�氶亾鍔熻�楋細3.6mA
OPA1642鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 妤典綆鐨勭附璜ф尝澶辩湡鍔犲櫔鑱诧紙THD+N锛�锛屼娇鍏舵垚鐐洪珮淇濈湡闊抽牷鎳夌敤鐨勭悊鎯抽伕鎿�銆�
銆�銆�2. 瓒呬綆杓稿叆鍋忕疆闆绘祦锛�2pA锛�锛岀⒑淇濆湪铏曠悊楂橀樆鎶椾俊铏熸簮鏅傜殑楂樼簿搴�銆�
銆�銆�3. 瀵浕婧愰浕澹撹寖鍦嶆敮鎸佸绋噳鐢ㄥ牬鏅�锛屽緸闆绘睜渚涢浕瑷倷鍒板伐妤�(y猫)鎺у埗銆�
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銆�銆�6. 绶婃箠鍨媀SSOP灏佽锛岄仼鍚堜究鏀滃紡瑷倷鍜屽叾浠栫┖闁撴湁闄愮殑鍫村悎銆�
OPA1642閫氬父鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 闊抽牷淇¤櫉铏曠悊锛氬寘鎷墠缃斁澶у櫒銆佽�虫鏀惧ぇ鍣�銆侀亥鍏嬮ⅷ鏀惧ぇ鍣ㄧ瓑銆�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)锛氫緥濡傞﹨鍕曢珮鍒嗚鲸鐜囨ā鏁�(sh霉)杞夋彌鍣紙ADC锛変互鎻愰珮淇¤櫉璩噺銆�
銆�銆�3. 宸ユキ(y猫)鑷嫊鍖栬垏鎺у埗锛氱敤浜庣簿瀵嗘脯閲忓剙鍣ㄦ垨鍌虫劅鍣ㄤ俊铏熻绡�(ji茅)銆�
銆�銆�4. 閱�(y墨)鐧傝ō鍌欙細濡傝秴鑱叉尝鎺ユ敹鍣ㄥ墠绔垨鍏朵粬闇�瑕佷綆鍣伈鏀惧ぇ鍔熻兘鐨勫湴鏂�銆�
銆�銆�5. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊細濡備究鏀滃紡闊虫▊鎾斁鍣ㄣ�侀寗闊宠ō鍌欏強鍏朵粬娉ㄩ噸闊宠唱鐨勭敘(ch菐n)鍝�銆�
OPA1641, OPA1644
