OPA1679 鏅傞枔锛�2025/5/6 12:44:34 闁辫畝锛�27

OPA1679 鏄竴娆鹃珮鎬ц兘銆佷綆鍣伈銆佷綆澶辩湡鐨勯煶闋婚亱绠楁斁澶у櫒锛屽皥鐐洪珮淇濈湡闊抽牷鎳�(y墨ng)鐢ㄨ€岃ō(sh猫)瑷堛€傝┎鍣ㄤ欢閲囩敤鍏堥€�(j矛n)鐨凚iFET宸ヨ棟鍒堕€�锛岃兘澶犲湪瀵牷鐜囪寖鍦嶅収(n猫i)鎻愪緵鍗撹秺鐨勪俊铏熷畬鏁存€у拰鍕曟厠(t脿i)鎬ц兘銆侽PA1679 鎻愪緵鍠€氶亾鐗堟湰锛屽叿鏈夋サ浣庣殑杓稿叆闆诲鍣伈鍜岄浕娴佸櫔鑱�锛屼互鍙婇珮鍏辨ā鎶戝埗姣�(CMRR) 鍜岄浕婧愭姂鍒舵瘮(PSRR)锛屼娇鍏舵垚鐐洪珮鍝佽唱(zh矛)闊抽熆绯荤当(t菕ng)銆佸皥妤�(y猫)闊抽牷瑷�(sh猫)鍌欏拰鍏朵粬绮惧瘑淇¤櫉铏曠悊鎳�(y墨ng)鐢ㄧ殑鐞嗘兂閬告搰銆�
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鍙冩暩(sh霉)

渚涢浕闆诲锛毬�2.5V 鑷� 卤18V
銆€銆€甯跺锛�20 MHz
銆€銆€澹撴摵鐜囷細12 V/渭s
銆€銆€杓稿叆闆诲鍣伈瀵嗗害锛�0.85 nV/鈭欻z
銆€銆€杓稿叆闆绘祦鍣伈瀵嗗害锛�0.65 pA/鈭欻z
銆€銆€鍏辨ā鎶戝埗姣�(CMRR)锛�120 dB
銆€銆€闆绘簮鎶戝埗姣�(PSRR)锛�120 dB
銆€銆€鏈€澶ц几鍑洪浕娴侊細35 mA
銆€銆€闈滄厠(t脿i)闆绘祦锛�4.5 mA

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OPA1679 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 妤典綆鐨勮几鍏ラ浕澹撳櫔鑱插拰闆绘祦鍣伈锛岄仼鍚堥珮淇濈湡闊抽牷鎳�(y墨ng)鐢�銆�
銆€銆€2. 楂� CMRR 鍜� PSRR 鎬ц兘锛屾湁鏁堥檷浣庨浕婧愬共鎿惧拰鐠�(hu谩n)澧冨櫔鑱茬殑褰遍熆銆�
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OPA1679 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 闊抽牷鍓嶇疆鏀惧ぇ鍣ㄥ拰鍔熺巼鏀惧ぇ鍣ㄣ€�
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銆€銆€4. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑绮惧瘑淇¤櫉瑾�(di脿o)鐞�銆�
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銆€銆€6. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勪俊铏熻檿鐞嗘ā濉�銆�
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