鏅傞枔锛�2025/5/7 22:44:58
闁辫畝锛�19
ADV7303 鏄敱 Analog Devices锛堜簽寰疯鍗婂皫楂旓級鎺ㄥ嚭鐨勪竴娆鹃珮鎬ц兘瑕栭牷瑙ｇ⒓鍣ㄨ姱鐗�锛屼富瑕佹噳鐢ㄤ簬妯℃摤鍒版暩(sh霉)瀛楃殑瑕栭牷淇¤櫉杞�(zhu菐n)鎻涖�傝┎鑺墖鏀寔澶氱ó妯欐簴瑕栭牷杓稿叆鏍煎紡锛屽寘鎷京鍚堣闋� (CVBS)銆丼-Video 鍜� Y/C 鍒嗛噺瑕栭牷淇¤櫉锛屽苟鍙皣閫欎簺妯℃摤淇¤櫉杞�(zhu菐n)鎻涚偤鏁�(sh霉)瀛� ITU-R BT.656 鎴栫崹绔嬬殑 Y/Cb/Cr 鏁�(sh霉)瀛楁祦銆侫DV7303 闆嗘垚浜嗚嚜鍕曡闋绘娓姛鑳藉拰鍚屾閹栧畾姗熷埗锛屼娇鍏惰兘澶犲揩閫熼仼鎳夊悇绋几鍏ユ簮锛岄潪甯搁仼鍚堟秷璨婚闆诲瓙鐢�(ch菐n)鍝佷腑鐨勮闋昏檿鐞嗛渶姹傘��
銆�銆�ADV7303AKST 鏄� ADV7303 鐨勪竴鍊嬪叿楂斿皝瑁濈増鏈�锛岄噰鐢� LQFP144 灏佽褰㈠紡銆�
渚涢浕闆诲锛�2.7V 鑷� 3.3V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�瑕栭牷杓稿叆閫氶亾鏁�(sh霉)锛�
銆�銆�鏁�(sh霉)瀛楄几鍑烘牸寮忥細ITU-R BT.656, 鐛ㄧ珛 Y/Cb/Cr
銆�銆�鏈�澶ф檪閻橀牷鐜囷細27MHz
銆�銆�灏佽褰㈠紡锛歀QFP144
ADV7303 鍏峰倷浠ヤ笅椤憲鐗归粸锛�
銆�銆�1. 鏀寔澶氳矾妯℃摤瑕栭牷杓稿叆锛屽寘鍚� CVBS銆丼-Video 鍜� Y/C 鍒嗛噺瑕栭牷淇¤櫉銆�
銆�銆�2. 鎻愪緵闈堟椿鐨勬暩(sh霉)瀛楄几鍑洪伕闋�锛屽绗﹀悎 ITU-R BT.656 妯欐簴鐨勬墦鍖呮暩(sh霉)鎿�(j霉)娴佹垨鐛ㄧ珛鐨� Y/Cb/Cr 鏁�(sh霉)鎿�(j霉)娴併��
銆�銆�3. 鍏�(n猫i)缃嚜鍕曡闋绘娓姛鑳�锛岃兘澶犺瓨鍒ョ暥鍓嶈几鍏ョ殑瑕栭牷椤炲瀷骞惰嚜鍕曢厤缃В纰煎弮鏁�(sh霉)銆�
銆�銆�4. 楂樼簿搴﹁壊褰╃┖闁撹綁(zhu菐n)鎻涘紩鎿庯紝纰轰繚寰炴ā鎿俊铏熷埌鏁�(sh霉)瀛椾俊铏熺殑楂樿唱(zh矛)閲忚綁(zhu菐n)鎻�銆�
銆�銆�5. 鏀寔姘村钩鍜屽瀭鐩存秷闅辨彃鍏ュ姛鑳斤紝鍏佽ū鐢ㄦ埗鑷畾缇╂秷闅卞崁(q奴)鍩熺殑鏁�(sh霉)鎿�(j霉)鍏�(n猫i)瀹�銆�
銆�銆�6. 鎻愪緵瀹屾暣鐨勫悓姝ヤ俊铏熸彁鍙栧姛鑳斤紝渚夸簬鑸囧叾浠栨暩(sh霉)瀛楄闋昏ō鍌欑劇绺泦鎴�銆�
銆�銆�7. 鑺墖鍏�(n猫i)閮ㄩ泦鎴愪簡閹栫浉鐠�(hu谩n) (PLL)锛屽彲浠ョ敓鎴愮簿纰虹殑鍍忕礌鏅傞悩銆�
銆�銆�8. 浣庡姛鑰楄ō瑷�锛岄仼鍚堜究鏀滃紡鍜岀瘈(ji茅)鑳藉瀷鎳夌敤銆�
ADV7303 寤ｆ硾鎳夌敤浜庨渶瑕佹ā鎿闋诲埌鏁�(sh霉)瀛楄闋昏綁(zhu菐n)鎻涚殑鍫存櫙涓�锛屽叾鍏稿瀷鎳夌敤闋樺煙鍖呮嫭锛�
銆�銆�1. 娑堣不椤為浕瀛愮敘(ch菐n)鍝�锛屽 DVD 鎾斁鍣�銆佽棈鍏夋挱鏀惧櫒銆佹闋傜洅绛�銆�
銆�銆�2. 瑕栭牷鐩�(ji膩n)鎺х郴绲�(t菕ng)锛岀敤浜庡皣妯℃摤鏀濆儚闋俊铏熻綁(zhu菐n)鎻涚偤鏁�(sh霉)瀛椾俊铏熼�茶閫蹭竴姝ヨ檿鐞�銆�
銆�銆�3. 宸ユキ(y猫)鎺у埗瑷倷锛屼緥濡傚伐妤�(y猫)椤ず鍣ㄦ垨鍦栧儚閲囬泦鍗�銆�
銆�銆�4. 閱�(y墨)鐧傛垚鍍忚ō鍌�锛屽瓒呰伈娉㈤’绀哄櫒鎴栧叾浠栭渶瑕侀珮绮惧害瑕栭牷杞�(zhu菐n)鎻涚殑鍫村悎銆�
銆�銆�5. 姹借粖闆诲瓙绯荤当(t菕ng)锛屾瘮濡傚悗瑕栨敐鍍忛牠鐨勪俊铏熻檿鐞嗗柈鍏�銆�
銆�銆�鐢变簬鍏堕潏娲绘�у拰楂樻�ц兘锛孉DV7303 鎴愮偤浜嗙溇澶氶渶瑕侀珮璩�(zh矛)閲忚闋讳俊铏熻檿鐞嗚ō鍌欑殑鐞嗘兂閬告搰銆�
ADV7301, ADV7302
