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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩�(g貌u)缍�(w菐ng) > IC鐧剧 > LM2903DR.

LM2903DR. 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/6/4 2:17:14 鏌ョ湅 闁辫畝锛�9

LM2903DR 鏄竴娆鹃洐閫氶亾闆诲姣旇純鍣�锛屽爆浜� LM2903 绯诲垪銆傝┎鑺墖瑷�(sh猫)瑷�(j矛)鐢ㄤ簬浣庡姛鑰楀拰瀵浕婧愰浕澹撹寖鍦嶇殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆傚畠鍙互鍦ㄥ柈闆绘簮鎴栭洐闆绘簮妯″紡涓嬪伐浣�锛屽苟涓斿叿鏈夐珮鍏辨ā鎶戝埗姣旓紙CMRR锛夊拰浣庤几鍏ュ亸缃浕娴佺殑鐗归粸(di菐n)銆侺M2903DR 閲囩敤 SOIC-8 灏佽褰㈠紡锛岄仼鍚堝伐妤�(y猫)鎺у埗銆佹苯杌婇浕瀛愪互鍙婂鐢ㄩ浕鍣ㄧ瓑鎳�(y墨ng)鐢ㄩ牁(l菒ng)鍩�銆�
銆�銆�閫欐姣旇純鍣ㄧ殑杓稿叆闆诲鑼冨湇鍙互鎿�(ku貌)灞曞埌渚涢浕杌屼互涓�锛屼娇鍏堕潪甯搁仼鍚堥渶瑕佸鍕�(d貌ng)鎱�(t脿i)杓稿叆鑼冨湇鐨勯浕璺ō(sh猫)瑷�(j矛)銆傛澶�锛屽叾鎺ㄦ尳杓稿嚭绲�(ji茅)妲�(g貌u)鍏佽ū鐩存帴椹�(q奴)鍕�(d貌ng)閭忚集闆诲钩杓稿叆锛岀啊(ji菐n)鍖栦簡鑸囧叾浠栨暩(sh霉)瀛楅浕璺殑鎺ュ彛銆�

鍙冩暩(sh霉)

灏佽锛歋OIC-8
銆�銆�闆绘簮闆诲鑼冨湇锛�2V 鑷� 36V
銆�銆�闈滄厠(t脿i)闆绘祦锛氭渶澶� 350渭A锛堟瘡璺瘮杓冨櫒锛�
銆�銆�杓稿叆澶辫(di脿o)闆诲锛氭渶澶� 2mV
銆�銆�杓稿嚭椤炲瀷锛氭帹鎸藉紡
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� 125掳C
銆�銆�杓稿叆鍏辨ā闆诲鑼冨湇锛氬彲鎿�(ku貌)灞曡嚦璨�(f霉)渚涢浕杌�
銆�銆�杓稿嚭璨�(f霉)杓夎兘鍔涳細鍏稿瀷鍊肩偤 10mA

鐗规��

LM2903DR 鎻愪緵浜嗗绋劒(y艒u)榛�(di菐n)锛屼娇鍏跺湪鍚勭ó鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅腑琛ㄧ従(xi脿n)鍑鸿壊锛�
銆�銆�1. 瀵浕婧愰浕澹撹寖鍦嶆敮鎸佸緸 2V 鍒� 36V 鐨勯潏娲讳娇鐢�銆�
銆�銆�2. 鎺ㄦ尳杓稿嚭绲�(ji茅)妲�(g貌u)鑳藉鎻愪緵杓冮珮鐨勮几鍑洪﹨(q奴)鍕�(d貌ng)鑳藉姏锛岄仼鍚堢洿鎺ラ﹨(q奴)鍕�(d貌ng) LED 鎴栧叾浠栬矤(f霉)杓�銆�
銆�銆�3. 杓稿叆绱�(j铆)瑷�(sh猫)瑷�(j矛)鍏佽ū杓稿叆淇¤櫉(h脿o)閬�(d谩)鍒伴浕婧愯矤(f霉)绔互涓�锛屽鍔犱簡杓稿叆淇¤櫉(h脿o)铏曠悊鐨勯潏娲绘��銆�
銆�銆�4. 姣忓��(g猫)姣旇純鍣ㄧ殑鍔熻�楁サ浣庯紝鍍呯偤骞剧櫨寰畨锛岄潪甯搁仼鍚堝皪(du矛)鍔熻�楁晱鎰熺殑瑷�(sh猫)瑷�(j矛)銆�
銆�銆�5. 楂� CMRR 鍜屼綆杓稿叆鍋忕疆闆绘祦纰轰繚浜嗚壇濂界殑淇¤櫉(h脿o)瀹屾暣鎬ц垏鎶楀共鎿捐兘鍔�銆�
銆�銆�6. 宸ヤ綔婧害鑼冨湇瀵唬锛岄仼鐢ㄤ簬鎯″姡鐠�(hu谩n)澧冧笅鐨勫伐妤�(y猫)鍜屾苯杌婃噳(y墨ng)鐢�銆�

鎳�(y墨ng)鐢�

LM2903DR 甯哥敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1. 閬�(gu貌)澹�/娆犲妾㈡脯(c猫)闆昏矾銆�
銆�銆�2. 闆绘睜绠＄悊绯荤当(t菕ng)涓殑闆诲鐩�(ji膩n)鎺�銆�
銆�銆�3. 闆绘(j墨)鎺у埗涓殑閫熷害鎴栦綅缃娓�(c猫)銆�
銆�銆�4. 妯℃摤淇¤櫉(h脿o)闁惧�兼瘮杓冭垏杞�(zhu菐n)鎻�銆�
銆�銆�5. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑淇¤櫉(h脿o)瑾�(di脿o)鐞�銆�
銆�銆�6. 婧害鍌虫劅鍣ㄨ几鍑轰俊铏�(h脿o)铏曠悊銆�
銆�銆�7. 姹借粖闆诲瓙涓殑鐙�鎱�(t脿i)鐩�(ji膩n)娓�(c猫)鑸囧牨(b脿o)璀﹀姛鑳�銆�
銆�銆�8. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勯枊(k膩i)闂�(gu膩n)鎺у埗銆�

鏇夸唬鍨嬭櫉(h脿o)

LM2903N, LM2901, LM393

lm2903dr.鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�(h脿o)
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉(h脿o)
  • 瑭㈠児(ji脿)