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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng) > IC鐧剧 > TPA3221

TPA3221 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/6 12:58:32 鏌ョ湅 闁辫畝锛�34

TPA3221 鏄竴娆鹃珮鏁堢巼銆佷綆澶辩湡鐨� D 椤為煶闋诲姛鐜囨斁澶у櫒銆傝┎鑺墖閲囩敤鍏堥�茬殑 PWM 瑾�(di脿o)鍒舵妧琛�(sh霉)锛岃兘澶犳彁渚涘嚭鑹茬殑闊宠唱(zh矛)鍜岄珮鏁堢殑鑳介噺杞�(zhu菐n)鎻�銆傚畠閬╃敤浜庝究鏀滃紡瑷�(sh猫)鍌欙紝渚嬪鏅鸿兘鎵嬫銆佸钩鏉块浕鑵︿互鍙婅棈鐗欓煶绠辩瓑銆俆PA3221 鏀寔鍠伈閬撴⿱鎺ヨ矤杓夛紙BTL锛夋ā寮忔搷浣�锛岃兘澶犲湪娓涘皯澶栭儴鍏冧欢鏁�(sh霉)閲忕殑鍚屾檪淇濇寔楂樻�ц兘銆�
銆�銆�閫欐鑺墖鍏�(n猫i)缃簡澶氱ó淇濊姗熷埗锛屽寘鎷亷鐔变繚璀�銆佺煭璺繚璀峰拰閬庢祦淇濊绛�锛屽緸鑰岀⒑淇濆湪鍚勭ó宸ヤ綔姊濅欢涓嬬殑绌�(w臎n)瀹氭�у拰鍙潬鎬�銆�

鍙冩暩(sh霉)

闆绘簮闆诲锛�2.7V 鑷� 5.5V
銆�銆�杓稿嚭鍔熺巼锛氬湪 4惟 璨犺級涓嬬偤 2.6W锛圱HD+N=1%锛�
銆�銆�闈滄厠(t脿i)闆绘祦锛�4.5mA锛堝吀鍨嬪�硷級
銆�銆�PSRR锛�-55dB锛�1kHz锛�
銆�銆�鏁堢巼锛�90%锛堝吀鍨嬪��锛屽湪 3.6V 鍜� 1W 杓稿嚭鏅傦級
銆�銆�寰呮闆绘祦锛�1渭A锛堝吀鍨嬪�硷級
銆�銆�淇″櫔姣旓細98dB锛圓 鍔犳瑠(qu谩n)锛�
銆�銆�闂�(gu膩n)鏂锋ā寮忥細鏀寔
銆�銆�灏佽褰㈠紡锛歏QFN-16

鐗规��

TPA3221 鎻愪緵鍗撹秺鐨勯煶闋绘�ц兘锛屽悓鏅傚叿鍌欓珮鏁堢巼鍜屼綆鍔熻�楃殑鐗归粸銆備互涓嬫槸鍏朵富瑕佺壒鎬э細
銆�銆�1. 楂樻晥鐨� D 椤炴灦妲�(g貌u)锛屽彲椤憲闄嶄綆鍔熻�楀苟寤堕暦闆绘睜澹藉懡銆�
銆�銆�2. 鍏�(n猫i)缃繚璀峰姛鑳�锛屽閬庣啽闂�(gu膩n)鏂枫�佺煭璺繚璀峰拰鐩存祦妾㈡脯淇濊锛屽寮蜂簡绯荤当(t菕ng)鐨勫彲闈犳�с��
銆�銆�3. 鍑鸿壊鐨勯煶闋昏唱(zh矛)閲�锛屽叿鏈夐珮淇″櫔姣斿拰浣庣附璜ф尝澶辩湡銆�
銆�銆�4. 绨″寲鐨勫閮ㄩ浕璺ō(sh猫)瑷�锛屾笡灏戜簡澶栧湇鍏冧欢鐨勯渶姹傦紝寰炶�岀瘈(ji茅)鐪佷簡 PCB 绌洪枔銆�
銆�銆�5. 瀵伐浣滈浕澹撹寖鍦�锛屽吋瀹瑰绋浕婧愮郴绲�(t菕ng)銆�
銆�銆�6. 蹇�熷暉鍕曟檪闁�锛岀⒑淇濈敤鎴堕珨椹楁祦鏆�銆�
銆�銆�7. 寰呮妯″紡涓嬬殑瓒呬綆鍔熻�楋紝鏈夊姪浜庨�蹭竴姝ュ劒(y艒u)鍖栨暣楂旇兘鏁�銆�
銆�銆�閫欎簺鐗规�т娇 TPA3221 鎴愮偤闇�瑕侀珮鎬ц兘闊抽牷杓稿嚭鐨勪究鏀滃紡鎳�(y墨ng)鐢ㄧ殑鐞嗘兂閬告搰銆�

鎳�(y墨ng)鐢�

TPA3221 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鏅鸿兘鎵嬫鍜屽钩鏉块浕鑵︿腑鐨勬彋鑱插櫒椹�(q奴)鍕�銆�
銆�銆�2. 钘嶇墮鐒＄窔闊崇鍜屼究鏀滃紡澶氬獟楂旇ō(sh猫)鍌�銆�
銆�銆�3. 鍙┛鎴磋ō(sh猫)鍌欙紝渚嬪鏅鸿兘鎵嬭〃鎴栧仴搴疯拷韫ゅ櫒銆�
銆�銆�4. 灏忓瀷瀹跺涵闊抽熆绯荤当(t菕ng)銆�
銆�銆�5. 娓告埐閰嶄欢锛屽鎵嬫焺鎴栬�虫銆�
銆�銆�鐢变簬鍏堕珮鏁堢巼鍜屽皬灏哄锛孴PA3221 鐗瑰垾閬╁悎灏嶇┖闁撳拰鑳借�楄姹傚毚(y谩n)鏍肩殑渚挎敎寮忛浕瀛愮敘(ch菐n)鍝�銆�

鏇夸唬鍨嬭櫉

TPA3201, TPA3202

tpa3221鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

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