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闁辫畝锛�33
PCA9544APWR 鏄竴娆剧敱 NXP Semiconductors 鐢熺敘(ch菐n)鐨� I2C-bus 鍜� SMBus 鍥涢�氶亾 I2C 闁嬮棞(gu膩n)銆傝┎鍣ㄤ欢鍏佽ū涓绘鑸囧鍊嬪緸瑷�(sh猫)鍌欏叡浜悓涓�绺界窔锛岄�氶亷閬告搰涓嶅悓鐨勯�氶亾渚嗗鐝�(xi脿n)澶氳矾寰�(f霉)鐢ㄥ姛鑳�銆侾CA9544A 鎻愪緵浜嗗洓鍊嬬崹绔嬬殑闁嬮棞(gu膩n)閫氶亾锛屽彲浠ュ皣涓�鍊� I2C 涓绘閫ｆ帴鍒板閬斿洓鍊嬩笉鍚岀殑 I2C 鎴� SMBus 瑷�(sh猫)鍌欎笂銆�
銆�銆�PCA9544APWR 鐨勮ō(sh猫)瑷堜娇鍏堕潪甯搁仼鍚堥渶瑕佹摯灞� I2C 绺界窔鐨勬噳(y墨ng)鐢ㄥ牬鏅�锛屼緥濡傚伐妤�(y猫)鎺у埗銆佽▓绠楁澶栬ō(sh猫)鍜屾秷璨婚闆诲瓙瑷�(sh猫)鍌欑瓑銆傚畠鏀寔妯�(bi膩o)婧�(zh菙n)妯″紡锛�100kHz锛�銆佸揩閫熸ā寮忥紙400kHz锛変互鍙婂揩閫熸ā寮�+锛�1MHz锛�銆傛澶�锛孭CA9544A 閭勫叿鍌欒嚜鍕曢棞(gu膩n)闁夊姛鑳�锛屼互闃叉绺界窔鐖敤銆�
宸ヤ綔闆诲锛�1.65V 鑷� 5.5V
銆�銆�鏈�澶у伐浣滈浕娴侊細1mA
銆�銆�I2C/SMBus 闋荤巼鑼冨湇锛�0 鑷� 1MHz
銆�銆�杓稿叆闆诲锛�8pF锛堝吀鍨嬪�硷級
銆�銆�杓稿嚭婕忛浕娴侊細卤1渭A锛堟渶澶у��锛孴A=25掳C锛�
銆�銆�閫氶亾鏁�(sh霉)閲忥細4
銆�銆�灏佽椤炲瀷锛歍SSOP-16
PCA9544APWR 鏀寔鍥涢�氶亾鍒囨彌锛岄仼鐢ㄤ簬 I2C 鍜� SMBus 鍗�(xi茅)璀�銆�
銆�銆�瑭茶姱鐗囨彁渚涗簡涓�鍊嬪湴鍧�寮曡叧閰嶇疆閬搁爡锛屾渶澶氬彲鍚屾檪鍦ㄥ悓涓�姊濈附绶氫笂閬嬭鍏�� PCA9544A 鍣ㄤ欢銆�
銆�銆�姣忓�嬮�氶亾鍧囧叿鏈夌崹绔嬬殑浣胯兘鍔熻兘锛屽苟涓旀敮鎸佺啽鎻掓嫈鎿嶄綔锛屽緸鑰岄伩鍏嶇附绶氬共鎿�銆�
銆�銆�浣庡姛鑰楄ō(sh猫)瑷堢⒑淇濆叾鑳藉鍦ㄩ浕姹犱緵闆绘垨?q奴)顬咁瀱鎷胯埦姊拌喗?y墨ng)鐢ㄤ腑浣跨敤銆�
銆�銆�鍏煎鍚勭ó涓绘祦閫氫俊鍗�(xi茅)璀�锛屽寘鎷� SMBus Alert Response Address 鍜� High Speed Mode銆�
銆�銆�鍏�(n猫i)缃殑閬庢韩淇濊姗熷埗鎻愬崌浜嗙郴绲�(t菕ng)鐨勫彲闈犳��銆�
銆�銆�鎵�鏈夎几鍏ヨ几鍑哄潎甯舵湁闈滈浕鏀鹃浕锛圗SD锛変繚璀峰姛鑳�銆�
PCA9544APWR 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇�瑕佹摯灞� I2C 绺界窔鑳藉姏鐨勫牬鍚堬紝濡傦細
銆�銆�宓屽叆寮忕郴绲�(t菕ng)涓殑澶氬偝鎰熷櫒绠＄悊銆�
銆�銆�宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓妯″閫氫俊鐨勬敮鎸�銆�
銆�銆�娑堣不椤為浕瀛愮敘(ch菐n)鍝�锛屽鎵撳嵃姗熴�佹巸鎻忓剙鍜屽叾浠栧鍦嶈ō(sh猫)鍌欑殑鍏�(n猫i)閮ㄩ�氫俊銆�
銆�銆�姹借粖闆诲瓙涓殑澶氱瘈(ji茅)榛炴暩(sh霉)鎿�(j霉)鍌宠几銆�
銆�銆�鏈嶅嫏(w霉)鍣ㄥ拰瀛樺劜瑷�(sh猫)鍌欎腑鐢ㄤ簬绠＄悊鍜岀洠(ji膩n)鎺х殑澶氱附绶氭灦妲�(g貌u)銆�
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PCA9544AUEPR, PCA9544ADR, PCA9544ACPR
IC鍨嬭櫉绱㈠紩锛� A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
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