SN75LBC187 鏅�(sh铆)闁擄細2025/5/14 18:42:08 闁辫畝锛�24

SN75LBC187 鏄竴娆鹃洐閫氶亾銆侀珮閫熷樊鍒嗙窔璺﹨(q奴)鍕曞櫒鍜屾帴鏀跺櫒锛屽爆浜� TI锛堝痉宸炲剙鍣級鐨� LBC 绯诲垪銆傝┎鍣ㄤ欢鑳藉鎻愪緵楂樻姉骞叉摼鑳藉姏锛岄仼鐢ㄤ簬澶氱ó楂橀€熼€氫俊鎺ュ彛鍫存櫙锛屽 RS-422 鍜� RS-485 妯�(bi膩o)婧�(zh菙n)鐨勬噳(y墨ng)鐢�銆�
銆€銆€鍏惰ō(sh猫)瑷�(j矛)閲囩敤浜嗕綆鍔熻€� CMOS 鎶€琛�(sh霉)锛岃兘澶犲湪杓冨鐨勫伐浣滈浕澹撹寖鍦嶅収(n猫i)閬�(y霉n)琛岋紝骞舵敮鎸佸崐闆欏伐鎴栧叏闆欏伐閫氫俊妯″紡銆傛澶栵紝瀹冨叿鏈夊嚭鑹茬殑鍏辨ā鎶戝埗鑳藉姏鍜岄潨闆绘斁闆讳繚璀�(h霉)鐗规€�銆�

鍙冩暩(sh霉)

渚涢浕闆诲(Vcc)锛�3V 鑷� 5.5V
銆€銆€鏈€澶ф暩(sh霉)鎿�(j霉)閫熺巼锛�20Mbps
銆€銆€杓稿叆闃绘姉锛氣墺10k惟
銆€銆€杓稿嚭闆绘祦锛毬�256mA
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€灏佽椤炲瀷锛歋OIC-16, TSSOP-16
銆€銆€鍌虫挱寤堕伈锛氬吀鍨嬪€� 10ns
銆€銆€鍏辨ā闆诲鑼冨湇锛�-7V 鑷� +12V

鐗规€�

SN75LBC187 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 楂橀€熷偝杓歌兘鍔涳紝鍙敮鎸侀珮閬�(d谩) 20Mbps 鐨勬暩(sh霉)鎿�(j霉)閫熺巼銆�
銆€銆€2. 鍏�(n猫i)缃煭璺拰閬庢韩淇濊(h霉)鍔熻兘锛屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳€у拰绌�(w臎n)瀹氭€�銆�
銆€銆€3. 鏀寔闀烽浕绾滈﹨(q奴)鍕曪紝閬╃敤浜庡伐妤�(y猫)鑷嫊鍖�銆佹〒瀹囨帶鍒朵互鍙婃暩(sh霉)鎿�(j霉)閲囬泦绛夐渶瑕侀仩(yu菐n)绋嬮€氫俊鐨勫牬鍚堛€�
銆€銆€4. 鎻愪緵闆欏悜閫氫俊閬搁爡(xi脿ng)锛屾柟渚跨敤鎴舵牴鎿�(j霉)瀵�(sh铆)闅涢渶姹傞厤缃偤鍗婇洐宸ユ垨鍏ㄩ洐宸ユā寮忋€�
銆€銆€5. 鍦ㄦ柗闆荤媭鎱�(t脿i)涓�锛岃几鍏ョ鍛堢従(xi脿n)楂橀樆鎱�(t脿i)锛岄伩鍏嶅皪绯荤当(t菕ng)閫犳垚涓嶅繀瑕佺殑骞叉摼銆�
銆€銆€6. 鍏锋湁杓冨挤(qi谩ng)鐨勬姉 EMI锛堥浕纾佸共鎿撅級鑳藉姏锛岀⒑淇濆湪鍢堥洔鐠�(hu谩n)澧冧笅鐨勬甯搁亱(y霉n)琛�銆�

鎳�(y墨ng)鐢�

SN75LBC187 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 宸ユキ(y猫)鐝�(xi脿n)鍫寸附绶氶€氫俊锛屼緥濡� Modbus RTU 鎴� Profibus銆�
銆€銆€2. 妯撳畤鑷嫊鍖栫郴绲�(t菕ng)涓殑鍌虫劅鍣ㄨ垏鎺у埗鍣ㄤ箣闁撶殑閫氫俊銆�
銆€銆€3. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓鍊�(g猫)瑷�(sh猫)鍌欓枔鐨勪簰鑱�(li谩n)銆�
銆€銆€4. POS 绲傜銆佽嚜鍕曞敭璨ㄦ(j墨)绛夊晢妤�(y猫)瑷�(sh猫)鍌欎腑鐨勯珮閫熶俊铏熷偝杓�銆�
銆€銆€5. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勫绡€(ji茅)榛�(di菐n)鏁�(sh霉)鎿�(j霉)浜ゆ彌銆�
銆€銆€6. 浠讳綍闇€瑕侀伒寰� RS-485/RS-422 妯�(bi膩o)婧�(zh菙n)閫�(j矛n)琛屼覆琛岄€氫俊鐨勮ō(sh猫)瑷�(j矛)銆�