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闁辫畝锛�24
MAX488EPA+ 鏄竴娆剧敱 Maxim Integrated锛堢従(xi脿n)鐐� Analog Devices 鐨勪竴閮ㄥ垎锛夌敓鐢�(ch菐n)鐨勪綆鍔熻��銆侀洐閫氶亾 RS-485/RS-422 鏀剁櫦(f膩)鍣ㄨ姱鐗�銆傝┎鑺墖瑷▓鐢ㄤ簬鍦ㄥ樊鍒嗙附绶氱郴绲�(t菕ng)涓彁渚涢珮鏁堢殑鏁�(sh霉)鎿�(j霉)鍌宠几锛屾敮鎸佸叏闆欏伐鎴栧崐闆欏伐閫氫俊妯″紡銆侻AX488EPA+ 鍏锋湁楂樻姉鍣兘鍔涘拰闀疯窛闆㈡暩(sh霉)鎿�(j霉)鍌宠几鑳藉姏锛岄仼鐢ㄤ簬宸ユキ(y猫)鎺у埗銆佹暩(sh霉)鎿�(j霉)閲囬泦鍜岄仩绋嬮�氫俊绛夋噳鐢ㄩ牁鍩熴��
銆�銆�MAX488EPA+ 鐨勫伐浣滈浕澹撹寖鍦嶇偤 +5V锛屽叿鏈変綆鍔熻�楀緟姗熸ā寮�锛岃兘澶犳湁鏁堥檷浣庣郴绲�(t菕ng)鐨勬暣楂斿姛鑰�銆傛澶�锛屽畠閭勫収(n猫i)缃簡鐭矾淇濊鍜岀啽闂滄柗鍔熻兘锛屼互澧炲挤瑷倷鐨勫彲闈犳�ц垏绌�(w臎n)瀹氭��銆�
闆绘簮闆诲锛�+5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�鏁�(sh霉)鎿�(j霉)閫熺巼锛氭渶楂樺彲閬� 2.5Mbps
銆�銆�杓稿叆闃绘姉锛氣墺12k惟锛堝吀鍨嬪�硷級
銆�銆�杓稿嚭鐭矾淇濊锛氭湁
銆�銆�寰呮闆绘祦锛氣墹1渭A
銆�銆�椹�(q奴)鍕曡兘鍔涳細32鍊嬪柈鍏冭矤杓�
銆�銆�灏佽褰㈠紡锛�16寮曡叧 SOIC
MAX488EPA+ 鑺墖鐨勪富瑕佺壒鎬у寘鎷互涓嬪咕榛烇細
銆�銆�1. 楂橀�熸暩(sh霉)鎿�(j霉)鍌宠几锛氭敮鎸侀珮閬� 2.5Mbps 鐨勬暩(sh霉)鎿�(j霉)閫熺巼锛岄仼鐢ㄤ簬楂橀�熼�氫俊鍫存櫙銆�
銆�銆�2. 闈堟椿鐨勫伐浣滄ā寮忥細鏀寔鍏ㄩ洐宸ュ拰鍗婇洐宸ュ叐绋�氫俊妯″紡锛岄仼鎳変笉鍚岀殑鎳夌敤闇�姹�銆�
銆�銆�3. 寮峰ぇ鐨勪繚璀峰姛鑳斤細鍏�(n猫i)缃几鍑虹煭璺繚璀峰拰鐔遍棞鏂锋鍒�锛岀⒑淇濆湪鐣板父鎯呮硜涓嬪櫒浠剁殑瀹夊叏閬嬭銆�
銆�銆�4. 浣庡姛鑰楄ō瑷堬細鍏峰倷寰呮妯″紡锛屽緟姗熼浕娴佹サ浣庯紙鈮�1渭A锛夛紝鏈夊姪浜庡欢闀烽浕姹犱緵闆昏ō鍌欑殑浣跨敤澹藉懡銆�
銆�銆�5. 瀵伐浣滄韩搴﹁寖鍦嶏細鑳藉鍦� -40掳C 鑷� +85掳C 鐨勭挵(hu谩n)澧冧腑绌�(w臎n)瀹氬伐浣�锛岄仼鍚堟儭鍔ｇ挵(hu谩n)澧冧笅鐨勬噳鐢�銆�
銆�銆�6. 楂樻姉鍣兘鍔涳細閫氶亷宸垎淇¤櫉鍌宠几鏂瑰紡锛屾湁鏁堟姂鍒跺叡妯″櫔鑱插共鎿撅紝鎻愰珮閫氫俊璩�(zh矛)閲�銆�
MAX488EPA+ 涓昏鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栵細鐢ㄤ簬宸ユキ(y猫)鐝�(xi脿n)鍫寸附绶氶�氫俊锛屽 PLC 鎺у埗鍣ㄤ箣闁撶殑鏁�(sh霉)鎿�(j霉)浜ゆ彌銆�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)锛氬湪閬犵▼鏁�(sh霉)鎿�(j霉)閲囬泦妯″涓鐝�(xi脿n)鍌虫劅鍣ㄦ暩(sh霉)鎿�(j霉)鐨勯珮鏁堝偝杓�銆�
銆�銆�3. 閬犵▼閫氫俊瑷倷锛氬 Modem 鍜岃矾鐢卞櫒涓敤浜庝覆琛屾帴鍙ｇ殑鏁�(sh霉)鎿�(j霉)鍌宠几銆�
銆�銆�4. 閱�(y墨)鐧傝ō鍌欙細鐢ㄤ簬閱�(y墨)鐧傚剙鍣ㄥ収(n猫i)閮ㄦ垨澶栭儴鐨勬暩(sh霉)鎿�(j霉)閫氫俊銆�
銆�銆�5. 姹借粖闆诲瓙锛氬湪杌婅級缍�(w菐ng)绲′腑瀵︾従(xi脿n)绡�(ji茅)榛為枔鐨勫彲闈犻�氫俊銆�
銆�銆�6. 鍎�琛ㄥ拰瑷堥噺瑷倷锛氬鏅鸿兘闆昏〃鍜屾按琛ㄤ腑鐨勬暩(sh霉)鎿�(j霉)鍌宠几绲勪欢銆�
MAX485EPA+, SN75179B, ADM485
