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闁辫畝锛�7
PCF8576DT 鏄竴娆剧敱 NXP锛堟仼鏅烘郸锛夌敓鐢㈢殑浣庡姛鑰� CMOS 12 浣嶆暩妯¤綁鎻涘櫒锛圖AC锛�锛屾敮鎸� I2C 鎺ュ彛閫氫俊銆傚畠鍖呭惈 8 鍊嬬崹绔嬬殑 DAC 閫氶亾锛屾瘡鍊嬮�氶亾鍙互杓稿嚭寰� 0 鍒版豢閲忕▼鑼冨湇鍏х殑闆诲鍊�銆侾CF8576DT 涓昏鐢ㄤ簬闇�瑕佸閫氶亾妯℃摤淇¤櫉杓稿嚭鐨勬噳鐢ㄥ牬鏅�锛屼緥濡傚伐妤�(y猫)鎺у埗銆佽嚜鍕曞寲瑭插櫒浠堕噰鐢ㄦ婧栫殑 I2C 绺界窔鍗�(xi茅)璀�锛岀啊鍖栦簡鑸囧井鎺у埗鍣ㄦ垨鍏朵粬鏁稿瓧绯荤当(t菕ng)鐨勬帴鍙ｈō瑷�銆傚悓鏅�锛屽叾浣庡姛鑰楃壒鎬у拰灏忓瀷灏佽浣垮叾闈炲父閬╁悎渚挎敎寮忚ō鍌欏拰灏嶇┖闁撹姹傚毚鏍肩殑绯荤当(t菕ng)銆�
渚涢浕闆诲锛�2.7V 鑷� 5.5V
銆�銆�鍒嗚鲸鐜囷細12 浣�
銆�銆�鏈�澶у伐浣滈浕娴侊細3mA
銆�銆�I2C 绺界窔閫熷害锛氭婧栨ā寮� 100kHz锛屽揩閫熸ā寮� 400kHz
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�灏佽褰㈠紡锛歍SSOP-28
PCF8576DT 鍏峰倷浠ヤ笅涓昏鐗规�э細
銆�銆�1. 闆嗘垚浜� 8 鍊嬬崹绔嬬殑 12 浣� DAC 閫氶亾锛屾彁渚涢珮绮惧害鐨勬ā鎿俊铏熻几鍑�銆�
銆�銆�2. 鏀寔妯欐簴鐨� I2C 鎺ュ彛锛屼究浜庤垏寰帶鍒跺櫒鎴栧叾浠栨暩瀛楃郴绲�(t菕ng)闆嗘垚銆�
銆�銆�3. 鎻愪緵纭欢寰╀綅寮曡叧锛岀⒑淇濆湪鐣板父鎯呮硜涓嬫仮寰╁埌榛樿獚鐙�鎱�(t脿i)銆�
銆�銆�4. 鍏ч儴鍙冭�冮浕澹撻伕闋�锛屽彲閬告搰浣跨敤澶栭儴鍙冭�冮浕澹撴垨鍏ч儴鍙冭�冮浕澹撱��
銆�銆�5. 浣庡姛鑰楄ō瑷�锛岄仼鍚堥浕姹犱緵闆荤殑渚挎敎寮忔噳鐢�銆�
銆�銆�6. 鏀寔闂滄柗妯″紡锛屽湪涓嶉渶瑕� DAC 杓稿嚭鏅傚彲閫蹭竴姝ラ檷浣庡姛鑰�銆�
銆�銆�7. 宸ヤ綔婧害鑼冨湇寤ｏ紝閬╂噳澶氱ó鐠�(hu谩n)澧冩浠朵笅鐨勬噳鐢ㄩ渶姹�銆�
銆�銆�8. 灏忓瀷灏佽锛岀瘈(ji茅)鐪� PCB 绌洪枔锛岄仼鍚堢穵婀婂瀷瑷▓銆�
PCF8576DT 鍙唬娉涙噳鐢ㄤ簬浠ヤ笅闋樺煙锛�
銆�銆�1. 宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓殑澶氳矾淇¤櫉鐢熸垚銆�
銆�銆�2. 鑷嫊鍖栬ō鍌欎腑鐢ㄤ簬瑾跨瘈(ji茅)妯℃摤淇¤櫉杓稿嚭銆�
銆�銆�3. 闊抽牷瑷倷涓殑闊抽噺鎺у埗鍜屽叾浠栦俊铏熻绡�(ji茅)鍔熻兘銆�
銆�銆�4. 娓│鑸囨脯閲忚ō鍌欎腑鐨勫熀婧栭浕澹撶敓鎴�銆�
銆�銆�5. 鏁告摎閲囬泦绯荤当(t菕ng)涓殑淇¤櫉瑾跨悊妯″銆�
銆�銆�6. 渚挎敎寮忛啱(y墨)鐧傝ō鍌欎腑鐨勬ā鎿俊铏熺敓鎴�銆�
銆�銆�7. 娑堣不椤為浕瀛愮敘鍝佷腑鐨勪寒搴﹁绡�(ji茅)鍜屽皪姣斿害鎺у埗绛夊姛鑳�銆�
銆�銆�鐢变簬鍏跺閫氶亾瑷▓鍜岄珮鍒嗚鲸鐜囩壒鎬�锛孭CF8576DT 鎴愮偤闇�瑕佸鍊嬬簿纰烘ā鎿几鍑虹殑鎳夌敤鐨勭悊鎯抽伕鎿�銆�
PCF8576N, PCA9536
