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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 > LM4881

LM4881 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/27 17:51:13 鏌ョ湅 闁辫畝锛�14

LM4881鏄竴娆惧柈鑱查亾銆佷綆鍔熻��銆佹⿱鎺ヨ矤(f霉)杓�(BTL)闊抽牷鍔熺巼鏀惧ぇ鍣�锛屽皥鐐轰究鏀滃紡鎳�(y墨ng)鐢ㄨō(sh猫)瑷�(j矛)銆傝┎鑺墖閲囩敤鍥哄畾澧炵泭鏋舵(g貌u)锛岃兘澶犳彁渚涢珮閬�(d谩)1.2W鐨勮几鍑哄姛鐜�(鍏稿瀷鍊�)锛岄仼鍚堥﹨(q奴)鍕�(d貌ng)灏忓瀷鎻�(y谩ng)鑱插櫒鎴栬�虫(j墨)銆傚畠鍏锋湁浣庨潨鎱�(t脿i)闆绘祦鍜岄珮闆绘簮鎶戝埗姣�(PSRR)锛岄潪甯搁仼鍚堥浕姹犱緵闆昏ō(sh猫)鍌�锛屽悓鏅�(sh铆)鑳芥湁鏁堟笡灏戦浕纾佸共鎿惧皪(du矛)闊抽牷璩�(zh矛)閲忕殑褰遍熆銆�
銆�銆�LM4881鍏�(n猫i)缃簡澶氱ó淇濊(h霉)鍔熻兘锛屽閬�(gu貌)娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)鍜岀啽闂�(gu膩n)鏂蜂繚璀�(h霉)锛岀⒑淇濆叾鍦ㄥ悇绋伐浣滄浠朵笅鐨勭┅(w臎n)瀹氭�у拰鍙潬鎬с�傛澶�锛岃┎鍣ㄤ欢閭勬敮鎸佷娇鑳藉紩鑵虫帶鍒�锛屽厑瑷辩敤鎴堕�氶亷(gu貌)澶栭儴閭忚集淇¤櫉(h脿o)杓曟澗瀵�(sh铆)鐝�(xi脿n)鍔熻�楃鐞�銆�

鍙冩暩(sh霉)

宸ヤ綔闆诲锛�2.7V鑷�5.5V
銆�銆�杓稿嚭鍔熺巼锛�1.2W锛圧L=8惟锛孴HD+N=10%锛�
銆�銆�澧炵泭锛�20dB
銆�銆�甯跺锛�30kHz
銆�銆�闆绘簮闆绘祦锛�6mA锛堝吀鍨嬪�硷級
銆�銆�淇″櫔姣旓細55dB
銆�銆�澶辩湡搴︼細0.5%锛圧L=8惟锛孭O=250mW锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C鑷�+85掳C

鐗规��

1. 楂樻晥BTL绲�(ji茅)妲�(g貌u)锛屽彲鐩存帴椹�(q奴)鍕�(d貌ng)鎻�(y谩ng)鑱插櫒鎴栬�虫(j墨)銆�
銆�銆�2. 鍥哄畾澧炵泭瑷�(sh猫)瑷�(j矛)绨�(ji菐n)鍖栦簡澶栭儴鍏冧欢闇�姹�锛岄檷浣庝簡鏁撮珨鏂规寰�(f霉)闆滃害銆�
銆�銆�3. 鍏�(n猫i)缃畬鍠勭殑淇濊(h霉)姗�(j墨)鍒�锛屽寘鎷亷(gu貌)娴佷繚璀�(h霉)銆佺煭璺繚璀�(h霉)鍜岀啽闂�(gu膩n)鏂峰姛鑳�銆�
銆�銆�4. 浣庨潨鎱�(t脿i)闆绘祦瑷�(sh猫)瑷�(j矛)寤堕暦(zh菐ng)浜嗛浕姹犱娇鐢ㄥ＝鍛�锛岄潪甯搁仼鍚堜究鏀滃紡闆诲瓙瑷�(sh猫)鍌�銆�
銆�銆�5. 鎻愪緵浣胯兘寮曡叧锛屼究浜庡(sh铆)鐝�(xi脿n)绯荤当(t菕ng)绱�(j铆)鍔熻�楀劒(y艒u)鍖�銆�
銆�銆�6. 楂橀浕婧愭姂鍒舵瘮(PSRR)锛屾笡灏戦浕婧愭尝鍕�(d貌ng)灏�(du矛)闊抽牷杓稿嚭鐨勫奖闊�銆�
銆�銆�7. 灏忓瀷灏佽閬搁爡(xi脿ng)锛岀瘈(ji茅)鐪丳CB绌洪枔锛屾湁鍔╀簬绶婃箠鍨嬭ō(sh猫)瑷�(j矛)銆�

鎳�(y墨ng)鐢�

LM4881寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑锛屼緥濡傦細
銆�銆�1. 鎵嬫寔寮忛煶闋绘挱鏀惧櫒鍜岄寗闊宠ō(sh猫)鍌�銆�
銆�銆�2. 鏅鸿兘鎵嬫(j墨)鍜屽钩鏉块浕鑵︾瓑绉诲嫊(d貌ng)閫氫俊绲傜銆�
銆�銆�3. 钘�(l谩n)鐗欓煶绠卞拰鍏朵粬鐒�(w煤)绶氶煶闋诲偝杓歌ō(sh猫)鍌�銆�
銆�銆�4. 鐜╁叿鍙婅獮(y菙)闊虫彁绀鸿缃�銆�
銆�銆�5. 鍏朵粬闇�瑕侀珮鏁堥煶闋绘斁澶х殑浣庡姛鑰楀牬(ch菐ng)鏅�銆�

鏇夸唬鍨嬭櫉(h脿o)

LM4811
銆�銆�LM4812
銆�銆�TDA7052
銆�銆�TPA0209

lm4881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)

lm4881璩囨枡 鏇村>

  • 鍨嬭櫉(h脿o)
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級