鏅傞枔锛�2025/6/4 3:30:31
闁辫畝锛�10
LM339 鏄竴娆剧稉(j墨ng)鍏哥殑鍥涢�氶亾浣庡姛鑰楁瘮杓冨櫒闆嗘垚闆昏矾锛屽唬娉涙噳鐢ㄤ簬鍚勭ó妯℃摤鍜屾暩(sh霉)瀛楅浕璺腑銆傚畠鐢卞洓鍊嬬崹绔嬬殑闆诲姣旇純鍣ㄧ祫鎴�锛屾瘡鍊嬫瘮杓冨櫒閮芥湁鐛ㄧ珛鐨勮几鍏ュ拰涓�鍊嬪叡鐢ㄧ殑杓稿嚭寮曡叧銆侺M339SR 閫氬父鏄� LM339 鐨勫皝瑁濇垨鍝佺墝璁婇珨锛屽叿楂旂壒鎬у彲鑳借垏 LM339 妯欐簴鍨嬭櫉涓�鑷淬�傝┎鑺墖浠ュ叾楂樿几鍏ラ樆鎶�銆佷綆鍔熻�楀拰瀵浕婧愰浕澹撹寖鍦嶈�岃仦鍚�锛岄仼鐢ㄤ簬闆绘睜渚涢浕瑷倷銆佸偝鎰熷櫒淇¤櫉铏曠悊鍜岄�氱敤姣旇純鎳夌敤銆�
銆�銆�LM339 鐨勮ō瑷堜娇鍏惰兘澶犲湪鍠浕婧愭垨闆欓浕婧愭ā寮忎笅宸ヤ綔锛屽苟涓斿叿鏈夐枊闆嗚几鍑猴紙open-collector output锛�锛岄�欎娇寰楀畠鑳藉鏂逛究鍦拌垏 TTL 鍜� CMOS 閭忚集闆诲钩鍏煎銆�
闆绘簮闆诲锛�2V 鑷� 36V
銆�銆�闈滄厠(t脿i)闆绘祦锛氭渶澶� 1.6mA锛堝吀鍨嬪�硷級
銆�銆�杓稿叆鍋忕疆闆绘祦锛氭渶澶� 25nA锛堝吀鍨嬪�硷級
銆�銆�宸垎杓稿叆闆诲鑼冨湇锛氱瓑浜庨浕婧愰浕澹撹寖鍦�
銆�銆�杓稿嚭褰㈠紡锛氶枊闆嗚几鍑�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� 125掳C
銆�銆�灏佽褰㈠紡锛欴IP-14銆丼OIC-14
LM339 鎻愪緵浜嗗鍊嬮’钁楃殑鐗规�э細
銆�銆�1. 楂樿几鍏ラ樆鎶�锛屾笡灏戜簡灏嶈几鍏ヤ俊铏熸簮鐨勫奖闊�銆�
銆�銆�2. 瀵浕婧愰浕澹撹寖鍦嶏紙2V 鑷� 36V锛�锛岄仼鍚堝绋噳鐢ㄥ牬鏅�銆�
銆�銆�3. 姣忓�嬫瘮杓冨櫒鐨勫姛鑰楁サ浣�锛岄潪甯搁仼鍚堜究鏀滃紡鍜屼綆鍔熻�楃郴绲�(t菕ng)銆�
銆�銆�4. 闁嬮泦杓稿嚭瑷▓鍏佽ū闈堟椿閰嶇疆杓稿嚭闆诲钩锛屽彲鐩存帴椹�(q奴)鍕� LED銆佺辜闆诲櫒鎴栧叾浠栭倧杓浕璺�銆�
銆�銆�5. 杓稿叆鍏辨ā闆诲鑼冨湇鍖呮嫭鍦伴浕浣�锛屼究浜庤檿鐞嗘帴杩戦浂浼忕殑淇¤櫉銆�
銆�銆�6. 宸ヤ綔婧害鑼冨湇寤�锛岄仼鎳夋儭鍔ｇ挵(hu谩n)澧冧笅鐨勪娇鐢ㄩ渶姹�銆�
銆�銆�7. 灏佽灏忓阀锛屾槗浜庨泦鎴愬埌绶婃箠鍨嬭ō瑷堜腑銆�
LM339 寤ｆ硾鐢ㄤ簬浠ヤ笅闋樺煙锛�
銆�銆�1. 淇¤櫉姣旇純鍜岄柧鍊兼娓浕璺�銆�
銆�銆�2. 鑴堟矕瀵害瑾�(di脿o)鍒� (PWM) 鐢熸垚銆�
銆�銆�3. 閬庡淇濊鍜屾瑺澹撶洠(ji膩n)娓浕璺�銆�
銆�銆�4. 闊抽牷淇¤櫉铏曠悊涓殑闆诲钩妾㈡脯銆�
銆�銆�5. 婧害鐩�(ji膩n)鎺ц垏鎺у埗銆�
銆�銆�6. 鍏夐浕鍌虫劅鍣ㄦ帴鍙�銆�
銆�銆�7. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鐨勫墠绔俊铏熻(di脿o)鐞嗐��
銆�銆�8. 鏁�(sh霉)瀛楅倧杓浕骞宠綁(zhu菐n)鎻�銆�
銆�銆�9. 鍚勭ó鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑鐙�鎱�(t脿i)鍒ゆ柗妯″銆�
LM393, TL331, LM2901, SN74HC14
