鏅傞枔锛�2025/5/21 20:59:55
闁辫畝锛�23
SN75453B鏄竴绋洐閫氶亾銆侀珮閫熷樊鍒嗙窔璺﹨鍕曞櫒锛屽皥鐐轰綆闆诲鍜屼綆鍔熻�楁噳鐢ㄨ�岃ō瑷堛�傝┎鍣ㄤ欢鑳藉鎻愪緵楂橀仈30Mbps鐨勬暩(sh霉)鎿�(j霉)閫熺巼锛屽苟涓斿叿鏈夊嚭鑹茬殑鍏辨ā鎶戝埗鑳藉姏锛岄潪甯搁仼鍚堥暦璺濋洟鍌宠几鍜屽櫔鑱茬挵(hu谩n)澧冧笅鐨勪俊铏熻檿鐞嗐��
銆�銆�瑭茶姱鐗囬噰鐢�16寮曡叧DIP鎴朣OIC灏佽锛屾敮鎸佸鑼冨湇鐨勯浕婧愰浕澹擄紙閫氬父鍦�+4.5V鑷�+5.5V涔嬮枔锛�锛屽悓鏅傚叿鍌欓珮杓稿嚭椹呭嫊鑳藉姏鍜岃壇濂界殑闆荤鍏煎鎬�銆�
宸ヤ綔闆诲锛�4.5V~5.5V
銆�銆�鏈�澶ф暩(sh霉)鎿�(j霉)閫熺巼锛�30Mbps
銆�銆�杓稿叆闃绘姉锛氱磩10k惟
銆�銆�杓稿嚭闆绘祦锛毬�20mA
銆�銆�鍌虫挱寤堕伈锛氬吀鍨嬪��15ns
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈85鈩�
銆�銆�灏佽褰㈠紡锛欴IP-16, SOIC-16
SN75453B鐨勪富瑕佺壒鎬у寘鎷互涓嬪咕榛烇細
銆�銆�1. 楂橀�熷樊鍒嗛﹨鍕曡兘鍔�锛岄仼鍚圧S-422/RS-485閫氫俊鍗�(xi茅)璀�銆�
銆�銆�2. 鍏х疆鐭矾淇濊鍔熻兘锛屾彁楂樹簡绯荤当(t菕ng)鍙潬鎬�銆�
銆�銆�3. 鏀寔榛炲皪榛炴垨澶氶粸缍茬怠鎷撴挷绲愭锛岄仼鐢ㄤ簬宸ユキ(y猫)鑷嫊鍖栨帶鍒堕牁鍩�銆�
銆�銆�4. 浣庨潨鎱�(t脿i)闆绘祦娑堣��锛屽劒(y艒u)鍖栦簡闆绘睜渚涢浕瑷倷鐨勮兘鑰楄〃鐝�(xi脿n)銆�
銆�銆�5. 寮峰ぇ鐨勬姉骞叉摼鎬ц兘锛岀⒑淇濅俊铏熷湪寰╅洔闆荤鐠�(hu谩n)澧冧笅绌�(w臎n)瀹氬偝杓�銆�
銆�銆�6. 灏忓瀷鍖栧皝瑁濊ō瑷�锛屼究浜庡湪绶婃箠绌洪枔鍏ч�茶甯冨眬鑸囧畨瑁�銆�
SN75453B寤ｆ硾鎳夌敤浜庡绋渶瑕佸樊鍒嗕俊铏熷偝杓�?sh霉)鑶遍紞?锛屼緥濡�?br>銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栦腑鐨勯仩绋嬫暩(sh霉)鎿�(j霉)閲囬泦鑸囩洠(ji膩n)鎺х郴绲�(t菕ng)銆�
銆�銆�2. 澶氱瘈(ji茅)榛為�氫俊缍茬怠锛屽宸ュ粻绺界窔鎴栨〒瀹囨帶鍒剁郴绲�(t菕ng)銆�
銆�銆�3. 瑷堢畻姗熷瑷帴鍙�锛岀敤浜庢墦鍗版銆佹巸鎻忓剙绛夎ō鍌欑殑鏁�(sh霉)鎿�(j霉)鍌宠几銆�
銆�銆�4. 瑕栭牷鐩�(ji膩n)鎺х郴绲�(t菕ng)鐨勪俊铏熶腑绻艰垏鏀惧ぇ妯″銆�
銆�銆�5. 閱�(y墨)鐧傝ō鍌欏収閮ㄧ殑楂橀�熸暩(sh霉)鎿�(j霉)閺堣矾閮ㄥ垎銆�
銆�銆�6. 姹借粖闆诲瓙闋樺煙涓殑杌婅級閫氫俊绺界窔銆�
SN75179B, MAX485, LTC2861
