鏅傞枔锛�2025/5/6 14:49:00
闁辫畝锛�36
DAC8775 鏄竴娆鹃珮绮惧害銆佷綆鍔熻�楃殑16浣嶆暩(sh霉)妯¤綁鎻涘櫒锛圖AC锛夛紝鐢卞痉宸炲剙鍣紙TI锛夌敓鐢�(ch菐n)銆傚畠閲囩敤灏忓瀷灏佽锛屾敮鎸侀�氶亷 SPI 鎺ュ彛閫茶閫氫俊锛屽苟涓斿収缃簡鍩烘簴闆诲婧愬拰鍙法绋嬪鐩婃斁澶у櫒锛圥GA锛夈�傝┎鍣ㄤ欢寤ｆ硾鎳夌敤浜庡伐妤�(y猫)鑷嫊鍖�銆侀啱(y墨)鐧傝ō鍌欍�侀亷绋嬫帶鍒跺拰鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓�銆�
銆�銆�DAC8775 鎻愪緵鍠�氶亾閰嶇疆锛岃兘澶犲湪楂橀仈 5V 鐨勮几鍑鸿寖鍦嶅収瀵︾従(xi脿n)绮剧⒑鐨勬ā鎿俊铏熺敓鎴�銆傚叾瑷▓娉ㄩ噸闈堟椿鎬у拰鏄撶敤鎬э紝閬╁悎闇�瑕侀珮鍒嗚鲸鐜囧拰绌�(w臎n)瀹氭�ц兘鐨勬噳鐢ㄥ牬鏅�銆�
鍒嗚鲸鐜囷細16浣�
銆�銆�杓稿嚭鑼冨湇锛�0V 鑷� VREF
銆�銆�鍙冭�冮浕澹擄細2.5V 鍏х疆
銆�銆�鏈�澶у伐浣滈浕澹擄細5.5V
銆�銆�鏈�灏忓伐浣滈浕澹擄細2.7V
銆�銆�渚涢浕闆绘祦锛�300渭A锛堝吀鍨嬪�硷級
銆�銆�寤虹珛鏅傞枔锛�15渭s锛堟渶澶у�硷級
銆�銆�婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歍SSOP-16, QFN-20
DAC8775 鍏锋湁浠ヤ笅闂滈嵉鐗规�э細
銆�銆�1. 鍏х疆绮惧瘑 2.5V 鍩烘簴闆诲婧愶紝娓涘皯澶栭儴鍏冧欢闇�姹傘��
銆�銆�2. 鍙法绋嬪鐩婃斁澶у櫒锛圥GA锛夊厑瑷辩敤鎴堕潏娲昏鏁磋几鍑鸿寖鍦�銆�
銆�銆�3. 闆嗘垚涓婇浕寰╀綅鍔熻兘锛岀⒑淇� DAC 杓稿嚭鍦ㄤ笂闆绘檪铏曚簬宸茬煡鐙�鎱�(t脿i)銆�
銆�銆�4. 鏀寔纭欢闂滄柗妯″紡锛岄檷浣庡緟姗熷姛鑰�銆�
銆�銆�5. SPI 鍏煎鎺ュ彛锛屼究浜庤垏寰帶鍒跺櫒鎴栧叾浠栨暩(sh霉)瀛楄ō鍌欓�ｆ帴銆�
銆�銆�6. 瀵伐浣滈浕澹撹寖鍦嶏紙2.7V 鑷� 5.5V锛�锛岄仼鎳夊绋浕婧愮挵(hu谩n)澧冦��
銆�銆�7. 楂樼簿搴︾窔鎬у害鍜屼綆鍣伈鎬ц兘锛岄仼鐢ㄤ簬灏嶄俊铏熻唱閲忚姹傝純楂樼殑鍫村悎銆�
銆�銆�8. 灏忓瀷灏佽閬搁爡锛岀瘈(ji茅)鐪� PCB 绌洪枔銆�
銆�銆�閫欎簺鐗规�т娇 DAC8775 鎴愮偤瑷卞楂樻�ц兘鎳夌敤鐨勭悊鎯抽伕鎿�銆�
DAC8775 閬╃敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栦腑鐨勯枆鐠�(hu谩n)鎺у埗鍜屾牎婧栫郴绲�(t菕ng)銆�
銆�銆�2. 閱�(y墨)鐧傝ō鍌欎腑鐨勪俊铏熺敓鎴愬拰瑾跨瘈(ji茅)銆�
銆�銆�3. 娓│鑸囨脯閲忓剙鍣ㄤ腑鐨勭簿纰洪浕澹撶敓鎴�銆�
銆�銆�4. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑鍙冭�冮浕澹撶敓鎴�銆�
銆�銆�5. 閫氫俊绯荤当(t菕ng)涓殑鍔熺巼鎺у埗鍜屽亸缃ō缃�銆�
銆�銆�6. 娑堣不闆诲瓙涓殑闊抽牷淇¤櫉铏曠悊銆�
銆�銆�鐢变簬鍏堕珮绮惧害鍜岄潏娲绘��锛孌AC8775 鑳藉婊胯冻澶氭ǎ鍖栫殑闇�姹傦紝灏ゅ叾鏄湪闇�瑕佺┅(w臎n)瀹氭�у拰鍙潬鎬х殑鐠�(hu谩n)澧冧腑銆�
DAC7775, DAC8875
