鏅傞枔锛�2024/1/29 11:21:52
闁辫畝锛�803
LM2904D鏄竴娆鹃洐閫氶亾閬嬬畻鏀惧ぇ鍣紝灞簬浣庡姛鑰楅浕澹撴瘮杓冨櫒绯诲垪銆傚畠鍏锋湁瀵浕婧愰浕澹撹寖鍦嶃�佷綆杓稿叆鍋忕疆闆绘祦銆佷綆杓稿叆鍋忕疆闆诲婕傜Щ绛夌壒榛烇紝閬╃敤浜庨浕姹犱緵闆诲拰渚挎敎寮忚ō鍌欑瓑浣庡姛鑰楁噳鐢�銆�
LM2904D鐨勪緵闆婚浕澹撹寖鍦嶇偤3V鑷�32V锛屽伐浣滄韩搴﹁寖鍦嶇偤-40鈩冭嚦125鈩冿紝鍥犳閬╃敤浜庡唬娉涚殑宸ヤ綔鐠�(hu谩n)澧�銆傚畠鐨勮几鍏ュ亸缃浕娴佸儏鐐�20nA锛岃几鍏ュ亸缃浕澹撴紓绉荤偤0.6渭V/鈩�锛岄�欐剰鍛宠憲瀹冭兘澶犳彁渚涢珮绮惧害鐨勪俊铏熸斁澶у拰姣旇純鍔熻兘銆�
姝ゅ锛孡M2904D閭勫叿鏈夎純楂樼殑鍏辨ā鎶戝埗姣斿拰鍔熺巼渚涙噳闆诲鎶戝埗姣�锛屽彲鏈夋晥娓涘皯杓稿叆淇¤櫉涓殑鍣伈鍜屽共鎿�锛屾彁楂樼郴绲�(t菕ng)鐨勬�ц兘銆傚畠閲囩敤闆欓�氶亾瑷▓锛屾瘡鍊嬮�氶亾閮藉叿鏈夊柈鐛ㄧ殑杓稿叆鍜岃几鍑哄紩鑵�锛屾柟渚跨敤鎴堕�茶閫ｆ帴鍜屼娇鐢�銆�
LM2904D鐨勫皝瑁濈偤SOIC-8锛屽叿鏈夊皬灏哄鍜岃壇濂界殑鐔辨暎鑳藉姏锛屽彲鍦ㄧ穵婀婄殑闆昏矾鏉夸笂閫茶瀹夎銆傛澶�锛屽畠閭勫叿鏈夐亷娴佸拰閬庣啽淇濊鍔熻兘锛屽彲淇濊鑺墖鍏嶅彈鎼嶅銆�
绺戒箣锛孡M2904D鏄竴娆炬�ц兘绌�(w臎n)瀹氥�佸姛鑰椾綆銆佺簿搴﹂珮鐨勯洐閫氶亾閬嬬畻鏀惧ぇ鍣�銆傚畠寤ｆ硾鎳夌敤浜庨浕璺殑淇¤櫉鏀惧ぇ銆佹瘮杓冨拰鎺у埗绛夋柟闈�锛岀壒鍒ラ仼鐢ㄤ簬闇�瑕侀珮鎬ц兘閬嬬畻鏀惧ぇ鍣ㄧ殑浣庡姛鑰楅浕瀛愯ō鍌欍��
1銆佸伐浣滈浕澹撹寖鍦嶏細3V鑷�32V
銆�銆�2銆佽几鍏ュ亸缃浕娴侊細25nA
銆�銆�3銆佸付瀵細1.3MHz
銆�銆�4銆佸鐩婂付瀵⿳锛�0.7MHz
銆�銆�5銆佽几鍏ュ叡妯￠浕澹撹寖鍦嶏細0V鑷砎cc-1.5V
銆�銆�6銆佽几鍏ュ樊妯￠浕澹撹寖鍦嶏細0V鑷砎cc-2V
銆�銆�7銆佽几鍑洪浕娴侊細20mA
銆�銆�8銆佽几鍏ラ浕闃伙細2M惟
LM2904D鐢卞叐鍊嬬崹绔嬬殑閬嬫斁绲勬垚锛屾瘡鍊嬮亱鏀鹃兘鏈変竴鍊嬪樊鍒嗚几鍏ュ拰涓�鍊嬪柈绔几鍑恒�傛瘡鍊嬮亱鏀剧殑杓稿嚭閫氶亷涓�鍊嬪叡鏈夌殑杓稿嚭绱氬垾锛堣几鍑虹礆鍒ョ敱PNP鍜孨PN鏅堕珨绠＄祫鎴愶級閫ｆ帴鍒拌几鍑哄紩鑵�銆�
LM2904D閲囩敤宸垎鏀惧ぇ鍣ㄧ殑宸ヤ綔鍘熺悊銆傚樊鍒嗘斁澶у櫒鏄竴绋壒娈婄殑閬嬫斁闆昏矾锛屽畠閫氶亷宸垎杓稿叆渚嗘斁澶ц几鍏ヤ俊铏�銆傚樊鍒嗚几鍏ョ敱涓�鍊嬫杓稿叆鍜屼竴鍊嬭矤杓稿叆绲勬垚锛岄�欏叐鍊嬭几鍏ヤ箣闁撶殑闆诲宸鏀惧ぇ骞惰几鍑哄埌鍠杓稿嚭銆�
1銆佽几鍏ュ亸缃浕娴佷綆锛歀M2904D鐨勮几鍏ュ亸缃浕娴佺偤25nA锛岄�欐剰鍛宠憲鍦ㄨ几鍏ュ樊鍒嗛浕澹撶偤0V鏅�锛岃几鍏ラ浕娴侀潪甯稿皬锛屽彲浠ユ笡灏忛浕璺殑鍔熻�楀拰闆诲婕傜Щ銆�
銆�銆�2銆佸杓稿叆闆诲鑼冨湇锛歀M2904D鐨勮几鍏ュ叡妯￠浕澹撹寖鍦嶇偤0V鑷砎cc-1.5V锛岃几鍏ュ樊妯￠浕澹撹寖鍦嶇偤0V鑷砎cc-2V锛岄�欎娇寰楀畠閬╃敤浜庡悇绋伐浣滈浕澹撹寖鍦�銆�
銆�銆�3銆侀珮澧炵泭甯跺绌嶏細LM2904D鐨勫鐩婂付瀵⿳鐐�0.7MHz锛岄�欐剰鍛宠憲瀹冨彲浠ユ斁澶ч珮闋讳俊铏�銆�
銆�銆�4銆侀珮杓稿嚭闆绘祦锛歀M2904D鐨勮几鍑洪浕娴佺偤20mA锛屽彲浠ラ﹨鍕曡純澶ц矤杓�銆�
銆�銆�5銆佷綆杓稿叆闆婚樆锛歀M2904D鐨勮几鍏ラ浕闃荤偤2M惟锛屽彲浠ユ笡灏忓閮ㄩ浕璺殑骞叉摼銆�
1銆佺⒑瀹氱郴绲�(t菕ng)鐨勮姹傚拰瑕�(gu墨)鏍�銆�
銆�銆�2銆侀伕鎿囧悎閬╃殑閬嬫斁鑺墖锛屽LM2904D銆�
銆�銆�3銆佹牴鎿�(j霉)绯荤当(t菕ng)鐨勮姹傚拰瑕�(gu墨)鏍硷紝瑷▓閬嬫斁鐨勯浕璺湒銆�
銆�銆�4銆佷豢鐪熼亱鏀鹃浕璺�锛岄璀夐浕璺殑鎬ц兘銆�
銆�銆�5銆佸埗浣滃拰娓│瀵﹂殯鐨勯亱鏀鹃浕璺�銆�
銆�銆�6銆佸劒(y艒u)鍖栭浕璺ō瑷�锛屼互婊胯冻绯荤当(t菕ng)鐨勮姹傚拰瑕�(gu墨)鏍笺��
1銆佸湪浣跨敤LM2904D鏅�锛屾噳閬垮厤瓒呴亷鍏堕瀹氱殑宸ヤ綔闆诲鑼冨湇銆�
銆�銆�2銆佺偤浜嗕繚璀夐浕璺殑鎬ц兘鍜岀┅(w臎n)瀹氭�э紝鎳夋敞鎰忓竷灞�鍜屾帴鍦�銆�
銆�銆�3銆佸湪浣跨敤LM2904D鏅�锛屾噳鏍规摎(j霉)鍏舵暩(sh霉)鎿�(j霉)鎵嬪唺鎻愪緵鐨勫缓璀伴�茶澶栭儴瑁滃劅銆�
