谁知道TDA7297的功放电路图啊，求解 TDA7297音频功放电路问题
\u529f\u653e\u96c6\u6210\u5757TDA7297\u5404\u4e2a\u811a\u7684\u7535\u538b\uff0c\u7535\u8def\u56fe\u53ca\u5404\u811a\u7684\u4f5c\u7528\uff1f
\u9700\u8981\u5b8c\u6574\u53ef\u4ee5\u79c1\u4fe1\u6211 \uff0c\u6211\u53d1\u60a8
D1\u7684\u4f5c\u7528\u662f\u4fdd\u62a4\u529f\u653e\uff0cC3 C4\u5206\u522b\u662f\u5de6\u53f3\u58f0\u9053\u7684\u97f3\u9891\u653e\u5927\u5668\u8f93\u5165\u8026\u5408\u7535\u5bb9\u5668\u3002
绛旓細鍥炵瓟锛TDA7297鏄崟鍒楀弻鎺掗煶棰鍔熺巼鏀惧ぇ闆嗘垚妯″潡,鍏惰祫鏂欏涓,浣犲彲浠ュ弬鐓ф帴绾垮浘杩涜鎿嶄綔銆 1銆佸褰㈠浘2銆佹帴绾垮浘
绛旓細涓嶈兘锛孴DA7297杈撳嚭鍔熺巼涓哄阀WX2oTDA7297鐨浼撮煶杈撳嚭涓築TL鏂瑰紡锛屽叾鍐呴儴灏辨槸鍐匓TL鏀惧ぇ鐨勶紝鍐嶆帴涓築TL澶х敤澶勩俆DA7297鏄鍒╂郸鍏徃鐢熶骇鐨勯煶棰鍔熺巼鏀惧ぇ闆嗘垚鐢佃矾锛屽簲鐢ㄤ簬鐢佃銆侀煶鍝嶈澶囦腑銆 TDA7297鏄叿鏈塎UTE锛堥潤闊筹級鎺у埗鍔熻兘鐨勫弻澹伴亾绔嬩綋澹鍔熸斁闆嗘垚鐢佃矾锛屽叾杈撳嚭鍔熺巼涓哄阀WX2oTDA7297鐨勪即闊宠緭鍑轰负BTL鏂瑰紡锛岄傚簲瀹...
绛旓細1銆丆3銆丆4鏄﹀悎鐢靛锛屽垏鏂緭鍏ョ涓鍔熸斁鍧楃殑鐩存祦杩炴帴鑰屽彧鏄氳繃闊抽淇″彿锛2銆丏1鐨勪綔鐢紝褰撶數婧愭柇寮鏃剁敱浜庢湁澶х數瑙ｇ數瀹癸紝鍔熸斁鍧楃殑鐢垫簮鐢靛帇鏄參鎱笅闄嶇殑锛屾墍浠ュ０闊虫槸閫愭笎娑堝け鐨勶紝鐢变簬D1鐨勪綔鐢紝鐢垫簮鏂紑鍚庯紝Vcc鐨勭數鍘嬩笉浼氬洜涓轰緵鐢电數婧愮殑鍏抽棴鑰屽掓祦锛3銆佷綘杩欎釜鍥句技涔庢湁闂锛屽乏涓婅涓や釜鎻掑骇锛屼氦娴丄C6~12V...
绛旓細tda7297鑺墖绗竴寮曡剼浣嶇疆濡備笅鍥炬墍绀猴細TDA7297閲囩敤鍗曞垪鍙屾帓15鑴氬皝瑁呫傚伐浣滅數鍘6.5~18V锛屾渶楂20V锛涘伐浣滅數娴佷负2A锛岃緭鍑哄姛鐜囦负2x15W(VCC = 16.5V, RL = 8W, f = 1kHz, Tamb = 25掳C)锛屽伐浣滄俯搴︿负0锝70鈩冦傛槸绔嬩綋澹伴煶棰鍔熺巼鏀惧ぇ鐢佃矾锛屽畠鍐呭惈涓よ矾闊抽淇″彿鍔熺巼鏀惧ぇ鐢佃矾锛屽叿鏈夐潤闊冲拰寰呮満鎺у埗鍔熻兘銆
绛旓細D1鐨勪綔鐢ㄦ槸淇濇姢鍔熸斁锛孋3 C4鍒嗗埆鏄乏鍙冲０閬撶殑闊抽鏀惧ぇ鍣杈撳叆鑰﹀悎鐢靛鍣ㄣ
绛旓細鎵嬫満鐗 鎴戠殑鐭ラ亾 璋佺煡閬揟DA7297鐨勫姛鏀剧數璺浘鍟,姹傝В 鎴戞潵绛 鍒嗕韩 寰俊鎵竴鎵 缃戠粶绻佸繖璇风◢鍚庨噸璇 鏂版氮寰崥 QQ绌洪棿 涓炬姤 娴忚112 娆 1涓洖绛 #娲诲姩# 瓒呯骇绂忓埄鏉ヨ, 鍥炵瓟璧100鍏冧含涓滃崱!tvb981 2013-10-26 tvb981 閲囩撼鏁:320 鑾疯禐鏁:3360 LV9 鎿呴暱:姹借溅璐拱 宸ョ▼鎶鏈瀛 鍏朵粬绀句細璇濋 鏍″洯鐢熸椿...
绛旓細寮鍏崇數婧愬共鎵板お澶э紝鑰屼笖杩囪浇鑳藉姏寰堝樊锛屾渶濂芥槸浣跨敤浜ゆ祦鍙樺帇鍣ㄦ暣娴佹护娉㈢殑绾挎х數婧愭墠琛
绛旓細杩欎釜鍔熸斁鐨勫叏绉版槸TDA7297锛屽叾璁捐鏈潵灏辨槸鐢ㄤ簬杞︾敤闊冲搷鐨勶紝宸ヤ綔鐢靛帇鏈楂樻墠18V锛岄檷棰80%灏辨槸14.4V锛屽氨鏄苯杞︾殑鐢电摱鍦ㄥ彂鍔ㄦ満宸ヤ綔鏃剁殑鐢靛帇銆備负浜嗘彁楂樺姛鐜囷紝鍏跺唴閮ㄥ氨鏄疊TL鏀惧ぇ鐨勶紝鍦16.5V鐩存祦鐢靛帇涓嬶紝8娆ц礋杞戒笅锛屽叾杈撳嚭鍔熺巼涓15W+15W锛屽氨鏄叾PIN1鍜2鑴氾紝鏄竴涓狟TL杈撳嚭锛屽叾PIN14鍜15鑴氾紝鏄彟涓涓狟TL...
绛旓細TDA7297鏄煶棰鍔熸斁鐢佃矾锛宲rotel涓病鏈夎繖绉嶈姱鐗囥傚叾瀹烇紝鍦╬rotel 涓殑鍏冧欢锛岄兘鍙互鑷繁鍋氱殑锛屽緢绠鍗曪紝鏍规嵁涓嬪浘鑷繁鐢讳竴涓惂銆
绛旓細鍙互銆傞渶瑕佹敞鎰忓彉鍘嬪櫒鐨勮緭鍏ョ闃绘姉涓鍔熸斁鐨勮緭鍑洪樆鎶楀尮閰嶏紝鍙樺帇鍣ㄧ殑鍔熺巼涓庡姛鏀捐緭鍑哄強鍠囧彮鐨勫姛鐜囩浉鍖归厤銆
