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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 > LM4871LD/NOPB

LM4871LD/NOPB 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/7 12:05:08 鏌ョ湅 闁辫畝锛�32

LM4871 鏄竴娆惧柈鑺墖绔嬮珨鑱� Class AB 鍔熺巼鏀惧ぇ鍣�锛屽皥(zhu膩n)鐐洪﹨(q奴)鍕�(d貌ng)浣庨樆鎶楄矤(f霉)杓夎�岃ō(sh猫)瑷�(j矛)銆傝┎鍣ㄤ欢閲囩敤鍏堥��(j矛n)鐨� BiFET 宸ヨ棟鍒堕��锛屽叿鏈夐珮杓稿嚭鍔熺巼鍜屼綆澶辩湡鐗规��锛岄仼鐢ㄤ簬渚挎敎寮忛煶闋昏ō(sh猫)鍌欏拰鍏朵粬闇�瑕侀珮鏁堥煶闋绘斁澶х殑鎳�(y墨ng)鐢�銆�
銆�銆�LM4871 鍏�(n猫i)缃亷(gu貌)鐔变繚璀�(h霉)鍜岀煭璺繚璀�(h霉)鍔熻兘锛岀⒑淇濆湪鍚勭ó宸ヤ綔姊濅欢涓嬬殑鍙潬鎬�銆傛澶�锛屽叾浣庡姛鑰楅棞(gu膩n)鏂锋ā寮忔湁鍔╀簬寤堕暦(zh菐ng)闆绘睜渚涢浕瑷�(sh猫)鍌欑殑浣跨敤澹藉懡銆�

鍙冩暩(sh霉)

闆绘簮闆诲锛�2.7V 鑷� 5.5V
銆�銆�闈滄厠(t脿i)闆绘祦锛�9mA锛堝吀鍨嬪�硷級
銆�銆�杓稿嚭鍔熺巼锛�300mW锛圧L=8惟锛孷DD=5V锛孴HD=10%锛�
銆�銆�淇″櫔姣旓細56dB锛堝吀鍨嬪�硷級
銆�銆�绺借娉㈠け鐪燂細0.5%锛堝吀鍨嬪��锛孯L=8惟锛孭O=250mW锛宖=1kHz锛�
銆�銆�甯跺锛�20Hz 鑷� 20kHz
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C

鐗规��

LM4871 鍏峰倷浠ヤ笅椤憲鐗规�э細
銆�銆�1. 楂樿几鍑哄姛鐜囷細鑳藉鍦ㄤ綆闆绘簮闆诲涓嬫彁渚涜冻澶犵殑杓稿嚭鍔熺巼浠ラ﹨(q奴)鍕�(d貌ng)灏忓瀷鎻�(y谩ng)鑱插櫒鎴栬�虫(j墨)銆�
銆�銆�2. 浣庡け鐪燂細绺借娉㈠け鐪熻純浣庯紝鑳藉淇濊瓑闊宠唱(zh矛)娓呮櫚銆佽嚜鐒�銆�
銆�銆�3. 鍏�(n猫i)缃繚璀�(h霉)鍔熻兘锛氬寘鍚亷(gu貌)鐔变繚璀�(h霉)鍜岀煭璺繚璀�(h霉)锛屾彁楂樹簡绯荤当(t菕ng)鍙潬鎬с��
銆�銆�4. 浣庡姛鑰楅棞(gu膩n)鏂锋ā寮忥細鐣�(d膩ng)杓稿叆淇¤櫉(h脿o)闂�(gu膩n)闁夋檪(sh铆)锛屽彲浠ラ��(j矛n)鍏ヤ綆鍔熻�楃媭鎱�(t脿i)锛屽緸鑰岀瘈(ji茅)鐪侀浕鑳�銆�
銆�銆�5. 灏忓瀷灏佽锛氶噰鐢� SOT-23 灏佽锛岄仼鍚堢┖闁撳彈闄愮殑鎳�(y墨ng)鐢ㄧ挵(hu谩n)澧�銆�
銆�銆�6. 瀵浕婧愰浕澹撹寖鍦嶏細鏀寔 2.7V 鑷� 5.5V 鐨勯浕婧愰浕澹�锛岄仼鎳�(y墨ng)澶氱ó闆绘睜渚涢浕鍫�(ch菐ng)鏅��

鎳�(y墨ng)鐢�

LM4871 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勯(l猫i)娑堣不(f猫i)椤�(l猫i)闆诲瓙鐢�(ch菐n)鍝佷腑锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 鎵嬫(j墨)鍜屽叾浠栫Щ鍕�(d貌ng)閫氫俊瑷�(sh猫)鍌欑殑鍏�(n猫i)缃彋(y谩ng)鑱插櫒椹�(q奴)鍕�(d貌ng)銆�
銆�銆�2. MP3 鎾斁鍣ㄥ強鍏朵粬渚挎敎寮忛煶闋绘挱鏀惧櫒鐨勯煶闋昏几鍑�銆�
銆�銆�3. 钘�(l谩n)鐗欓煶绠卞拰鍏朵粬鐒�(w煤)绶氶煶闋昏ō(sh猫)鍌欑殑鍔熺巼鏀惧ぇ銆�
銆�銆�4. 娓告埐瑷�(sh猫)鍌欏拰鐜╁叿涓殑鑱查煶妯″銆�
銆�銆�5. 浠讳綍闇�瑕佸皬灏哄銆佷綆鍔熻�楅煶闋绘斁澶х殑鍫�(ch菐ng)鍚�銆�

鏇夸唬鍨嬭櫉(h脿o)

LM4872, LM4873

lm4871ld/nopb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�(x煤n)鍍�(ji脿)

lm4871ld/nopb璩囨枡 鏇村>

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

lm4871ld/nopb鍙冩暩(sh霉)

  • 鍒堕�犲晢National Semiconductor (TI)
  • 鐢�(ch菐n)鍝�Class-AB
  • 杓稿嚭鍔熺巼3 W x 1 at 3 Ohms
  • 杓稿嚭椤�(l猫i)鍨�1-Channel Mono
  • THD + 鍣伈0.13 %
  • 宸ヤ綔闆绘簮闆诲3 V, 5 V
  • 鏈�澶у伐浣滄韩搴�+ 85 C
  • 灏佽 / 绠遍珨LLP EP
  • 灏佽Reel
  • 闊抽牷璨�(f霉)杓夐浕闃�8 Ohms
  • 杓稿叆淇¤櫉(h脿o)椤�(l猫i)鍨�Single
  • 鏈�灏忓伐浣滄韩搴�- 40 C
  • 杓稿嚭淇¤櫉(h脿o)椤�(l猫i)鍨�Differential
  • 宸ュ粻鍖呰鏁�(sh霉)閲�1000
  • 闆绘簮椤�(l猫i)鍨�Single
  • Supply Voltage - Max5.5 V
  • Supply Voltage - Min2 V