tda7850a的耐压 TDA785A和TDA7850有啥区别?
TDA7850A\u7684\u5404\u811a\u53c2\u6570\uff01!!!TDA7850\u662f\u4e00\u4e2a\u7a81\u7834MOSFET\u6280\u672fAB\u7c7b\u97f3\u9891\u529f\u7387\u653e\u5927\u5668Flexiwatt27\u5305\u88c5\u8bbe\u8ba1\u7684\u9ad8\u529f\u7387\u8f66\u6536\u97f3\u673a\u3002
\u5b8c\u5168\u4e92\u8865\u7684P\uff0dChannel\uff0fN\uff0d\u58f0\u9053\u8f93\u51fa\u7ed3\u6784\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8f68\u5230\u8f68\u8f93\u51fa\u7535\u538b\u6446\u5e45\uff0c\u9ad8\u8f93\u51fa\u7535\u6d41\u548c\u6700\u5c0f\u5316\u7684\u9971\u548c\u5ea6\u635f\u5931\u5728\u6c7d\u8f66\u97f3\u54cd\u9886\u57df\u6811\u7acb\u4e86\u65b0\u7684\u52a8\u529b\u5f15\u7528\uff0c\u5177\u6709\u65e0\u4e0e\u4f26\u6bd4\u7684\u5931\u771f\u6027\u80fd\u3002
TDA7850\u529f\u653eIC\u662f\u53d1\u70e7\u53cb\u4eec\u5728\u6539\u88c5CD\u4e3b\u673a\u65f6\u7ecf\u5e38\u4f7f\u7528\u7684\u82af\u7247\u3002\u8fd9\u662f\u4e00\u6b3e\u56db\u58f0\u9053\u6c7d\u8f66\u97f3\u54cd\u4e13\u7528\u529f\u653e\u82af\u7247\uff0c\u91c7\u7528\u7684\u662fBTL\u7684\u8f93\u51fa\u5f62\u5f0f\uff0c\u5916\u56f4\u5143\u4ef6\u6781\u5c11\u4f46\u97f3\u8d28\u6781\u4f73\uff0c\u5b89\u88c5\u4e5f\u975e\u5e38\u65b9\u4fbf\uff0c\u5c01\u88c5\u4e3a25\u811a\u53cc\u5217\u76f4\u63d2\u5f0f\u3002IC\u82af\u7247\u7684\u8f93\u51fa\u529f\u7387\u4e3a\uff1a4\u00d750W\u3002
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\u5185\u90e8\u56fa\u5b9a\u589e\u76ca\uff0826\u5206\u8d1d\uff09\u65e0\u9700\u5916\u90e8\u8865\u507f\u65e0\u81ea\u4e3e\u7535\u5bb9\uff0c\u5728\u8239\u4e0a0\uff0e35A\u9ad8\u4fa7\u9a71\u52a8\u5668\u3002
12\uff0c13\uff0c15\uff0c16\u811a\u4fe1\u53f7\u8f93\u5165\u30024\uff0c6\uff1b8\uff0c10\uff0e\uff1b18\uff0c20\uff0e\uff1b22\uff0c24\u811a\u8f93\u51fa\u30027\uff0c21\u811aVcc\u300223\u811aMUTE\uff0e5\u811aST\uff0d\uff0dBY\uff0e1\uff0c3\uff0c9\uff0c19\uff0c25\uff0c27\u63a5\u5730\u3002
\u6269\u5c55\u8d44\u6599\uff1a
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\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-\u97f3\u9891\u529f\u653eic
TDA7850 4 x 50 W MOSFET quad bridge power amplifier plus HSD
TDA7850A 4 x 50 W MOSFET quad bridge power amplifier plus HSD
\u6570\u636e\u5217\u8868
TDA7850A
\u6807\u51c6\u5305\u88c5\uff1a17 \u7c7b\u522b\uff1a \u96c6\u6210\u7535\u8def (IC) \u5bb6\u5ead \u7ebf\u6027 - \u97f3\u9891\u653e\u5927\u5668 \u7cfb\u5217 \u7c7b\u578b\uff1aAB \u7c7b
\u8f93\u51fa\u7c7b\u578b\uff1a4-\u901a\u9053\uff08\u56db\u8def\uff09
\u5728\u67d0\u8d1f\u8f7d\u65f6\u6700\u5927\u8f93\u51fa\u529f\u7387 x \u901a\u9053\u6570\u91cf\uff1a85W x 4 @ 2 \u6b27\u59c6
\u7535\u6e90\u7535\u538b\uff1a8 V ~ 18 V \u7279\u70b9:\u9759\u97f3\uff0c\u77ed\u8def\u548c\u70ed\u4fdd\u62a4\uff0c\u5f85\u673a \u5b89\u88c5\u7c7b\u578b\uff1a\u901a\u5b54
\u4f9b\u5e94\u5546\u8bbe\u5907\u5c01\u88c5\uff1a27-Flexiwatt
\u5c01\u88c5/\u5916\u58f3 27-Flexiwatt\uff08\u5f2f\u66f2\u548c\u4ea4\u9519\u5f15\u7ebf\uff09
\u6ca1\u770b\u5230785A\uff0c\u4f46\u662f\u4e0a\u9762\u4e24\u4e2a\u53c2\u6570\u662f\u4e00\u6a21\u4e00\u6837\u7684\u3002
极限参数如图：
绛旓細鏈夈TDA7850鍔熸斁IC鏄彂鐑у弸浠湪鏀硅CD涓绘満鏃剁粡甯镐娇鐢ㄧ殑鑺墖銆傝繖鏄竴娆惧洓澹伴亾姹借溅闊冲搷涓撶敤鍔熸斁鑺墖锛岄噰鐢ㄧ殑鏄疊TL鐨勮緭鍑哄舰寮忥紝澶栧洿鍏冧欢鏋佸皯浣嗛煶璐ㄦ瀬浣筹紝瀹夎涔熼潪甯告柟渚匡紝灏佽涓25鑴氬弻鍒楃洿鎻掑紡銆侷C鑺墖鐨勮緭鍑哄姛鐜囦负锛4脳50W銆傝緭鍑哄姛鐜囨湁3V锛5V锛7V锛9V銆
绛旓細14.4V銆TDA7850鏄疭T鍏徃浼樿川Hi-Fi姹借溅闊冲搷鍔熸斁IC锛岄噰鐢ㄥ崟鐢垫簮14.4V渚涚數锛孧OSFET鏀惧ぇ杈撳嚭锛4x50WHiFi鍔熸斁锛屽け鐪熷皬锛屼綆鍣煶锛屾姉骞叉壈鑳藉姏寮猴紝鍏锋湁AC锛孌C杈撳嚭鐭矾鍜屾俯搴︿繚鎶わ紝鐗瑰埆鏄姛鑰楁柟闈㈡ц兘绐佸嚭锛岃秴浣庡姛鑰楋紝宸ヤ綔绋冲畾锛岄煶璐ㄤ匠銆
绛旓細鍦ㄦ苯杞﹂煶鍝嶆敼瑁呬腑锛屾崲tda7850鏄竴涓父瑙佺殑璇濋銆傚浜庢槸鍚﹂渶瑕侀澶栫殑杈呭姪鐢靛锛屽叾瀹烇紝鏇挎崲tda7850骞朵笉闇瑕佸鍔犳绫诲厓浠讹紝杩欐牱鍙互绠鍖栨敼瑁呰繃绋嬨傚鏋滀綘杩芥眰缁忔祹瀹炴儬锛屽彲浠ラ夋嫨鍙洿鎹da7850鍜屽姛鏀撅紝鎴栬呭崟鐙洿鎹㈡満澶村拰浣庨煶鐐紝杩欎袱绉嶆柟寮忛兘鑳芥弧瓒冲熀鏈殑闊宠川闇姹傘傚浜庨煶璐ㄦ彁鍗囷紝鍔犺DSP鍔熸斁鏄竴涓槑鏅虹殑閫夋嫨銆侱SP...
绛旓細瀹夊崜澶у睆鍔熸斁TDA7850鑺墖鏈濂姐俆DA7850鏄剰娉曞崐瀵间綋鐨勯珮绔殑MOS绠＄殑澹伴煶鑺墖锛屽０闊崇湡瀹烇紝鎺ㄥ姏涔熷ぇ銆傚姛鏀捐姱鐗囨槸鍏锋湁鍔熺巼鏀惧ぇ鍔熻兘鐨勮姱鐗囷紝鍔熺巼鏀惧ぇ鍣ㄧ數璺氬父鍖呮嫭鐢靛帇鏀惧ぇ鎴栫數娴佹斁澶х數璺腑涓嶅瓨鍦ㄧ殑鐗规畩闂銆
绛旓細缁艰堪锛TDA7850姣擳DA7851 濂戒竴鐐广1銆乀DA7850涔癈HN鐨勫氨濂斤紝瀹屽叏娌″繀瑕佷拱MLT鐨勶紝7850楂樹綆闊抽兘濂斤紝缁嗚妭澶氾紝鏈夊緢濂藉惉鐨勪簩娆¤皭娉㈠０闊筹紝瑕佹敞鎰廙LT鐨7850鍩烘湰鍏ㄦ槸鍋囪揣锛屼笉绠′粈涔堝弻鐨囧啝鐨勫簵閾哄拰閿閲忕涓鐨勯兘涓鏍枫2銆乀DA7560澹伴煶涔熷緢濂斤紝浣嗘槸鍙戠儹閲忔瘮杈冨ぇ锛屼綆闊崇敋鑷冲己杩7850锛屾瘮杈冩湁鍚嶇殑鐢佃剳鏈夋簮闊崇bose ...
绛旓細缁艰堪锛TDA7850姣擳DA7851 濂戒竴鐐广1銆乀DA7850涔癈HN鐨勫氨濂斤紝瀹屽叏娌″繀瑕佷拱MLT鐨勶紝7850楂樹綆闊抽兘濂斤紝缁嗚妭澶氾紝鏈夊緢濂藉惉鐨勪簩娆¤皭娉㈠０闊筹紝瑕佹敞鎰廙LT鐨7850鍩烘湰鍏ㄦ槸鍋囪揣锛屼笉绠′粈涔堝弻鐨囧啝鐨勫簵閾哄拰閿閲忕涓鐨勯兘涓鏍枫2銆乀DA7560澹伴煶涔熷緢濂斤紝浣嗘槸鍙戠儹閲忔瘮杈冨ぇ锛屼綆闊崇敋鑷冲己杩7850锛屾瘮杈冩湁鍚嶇殑鐢佃剳鏈夋簮闊崇bose ...
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绛旓細TDA7850鍜孴DA7851L涓鑸彲浠ヤ簰鎹 杩欎袱涓姱鐗囩敤鍦ㄨ溅杞藉姛鏀捐緝澶氥俆DA7850灞炶佽姱鐗,鐜板湪甯傚満鍩烘湰涓篢DA7851L鎵鏇夸唬銆7851鍜7850浜屼釜鑺墖閮芥槸寰堝ソ鐨勮姱鐗囷紝涓嶅悓鍦ㄤ簬7850澹伴煶鐩稿浜7851鍦ㄩ珮闊虫柟闈㈣鏄惧緱鏇村钩琛★紝7850鏀瑰鐢ㄥ氨鏄綆闊宠繃浜嗕竴鐐癸紝澹伴煶姣旀晥涓с俆DA7850鑺墖鐨勫叾浠栨儏鍐电畝浠嬨俆DA7850鍏呭垎鍒╃敤浜嗘柊绐佹濈殑...
绛旓細TDA 4鑴氫负杈撳嚭.姝ょ數瀹逛负杈撳嚭鑰﹀悎鐢靛.鍙戠儹鐨勫師鍥犲彲鑳芥槸浣犵數瀹规帴鍙嶄簡,鎴鑰愬帇杩囦綆(浣犵敤鐨35,鐢垫簮鐢靛帇涓嶈兘楂樹簬25).鎴栨槸浣犲枃鍙笉鍖归厤!瀹炲湪涓嶈鎹竴涓 鎴栬呭湪纭箣鍩庝笂闈㈡壘鎵捐繖涓瀷鍙风殑璧勬枡
