鏅傞枔锛�2025/5/6 15:37:17
闁辫畝锛�23
LMX2470 鏄竴娆鹃珮鎬ц兘鐨勬ā鎿帠鐩哥挵(hu谩n) (PLL) 鍜屽鎺ф尟钑╁櫒 (VCO) 闆嗘垚闆昏矾锛屽唬娉涙噳鐢ㄤ簬鐒＄窔閫氫俊銆佸皠闋讳俊铏熷悎鎴愬拰闋荤巼杞夋彌绛夌郴绲�(t菕ng)銆傝┎鑺墖鍏�(n猫i)缃簡浣庡櫔鑱茬殑 PLL 鏋舵鍜屽甯� VCO锛屾敮鎸佸绋牷鐜囧悎鎴愰渶姹�锛岄仼鍚堥渶瑕侀珮绮惧害鍜屼綆鐩镐綅鍣伈鐨勬噳鐢ㄥ牬鏅�銆�
銆�銆�LMX2470 鐨勮ō瑷堜娇鍏惰兘澶犲湪杓冨鐨勫伐浣滈牷鐜囪寖鍦嶅収(n猫i)鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭淇¤櫉锛屽苟涓斿彲浠ラ�氶亷澶栭儴绶ㄧ▼鎺ュ彛闈堟椿瑾挎暣鍏跺伐浣滃弮鏁�(sh霉)銆傛澶�锛岃┎鑺墖閭勯泦鎴愪簡澶氱ó鍔熻兘妯″锛屼緥濡傚垎闋诲櫒銆佸弮鑰冨垎闋诲櫒銆侀憭鐩稿櫒绛�锛屽緸鑰岀啊鍖栦簡绯荤当(t菕ng)瑷▓骞舵笡灏戜簡澶栧湇鍏冧欢鐨勯渶姹傘��
宸ヤ綔闆诲锛�2.7V 鑷� 3.6V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�VCO 杓稿嚭闋荤巼鑼冨湇锛�1.2GHz 鑷� 2.6GHz
銆�銆�PLL 甯跺锛氬彲绶ㄧ▼
銆�銆�鐩镐綅鍣伈锛�-120dBc/Hz锛堝吀鍨嬪��锛屽湪1MHz鍋忕Щ鏅傦級
銆�銆�R 鍒嗛牷鍣ㄨ寖鍦嶏細1 鑷� 128
銆�銆�N 鍒嗛牷鍣ㄨ寖鍦嶏細16 鑷� 4095
銆�銆�闆绘簮闆绘祦锛氭渶澶� 225mA
銆�銆�灏佽褰㈠紡锛歍QFP-48
LMX2470 鎻愪緵浜嗗绋棞閸电壒鎬у拰鍎�(y艒u)鍕�锛屼娇鍏舵垚鐐鸿ū澶氶珮闋绘噳鐢ㄧ殑鐞嗘兂閬告搰锛�
銆�銆�1. 瀵付 VCO 杓稿嚭瑕嗚搵鑼冨湇锛岃兘澶犻仼鎳夊绋牷鐜囧悎鎴愰渶姹�銆�
銆�銆�2. 闆嗘垚浜嗕綆鍣伈 PLL 鏋舵锛岀⒑淇濊几鍑轰俊铏熷叿鏈夋サ浣庣殑鐩镐綅鍣伈銆�
銆�銆�3. 鍙法绋� PLL 甯跺鍜岄潏娲绘�ч珮鐨勫垎闋诲櫒瑷疆锛屼究浜庡劒(y艒u)鍖栫郴绲�(t菕ng)鎬ц兘銆�
銆�銆�4. 鏀寔蹇�熼帠瀹氭檪闁�锛岄仼鐢ㄤ簬灏嶅嫊鎱�(t脿i)闊挎噳瑕佹眰杓冮珮鐨勬噳鐢ㄣ��
銆�銆�5. 鍏�(n猫i)缃浕鑽锋车鍜岀挵(hu谩n)璺烤娉㈠櫒瑁滃劅鍔熻兘锛岀啊鍖栦簡澶栭儴闆昏矾瑷▓銆�
銆�銆�6. 鎻愪緵涓茶澶栬ō鎺ュ彛 (SPI)锛岀敤浜庨厤缃姱鐗囧弮鏁�(sh霉)鍜屽鏅傜洠(ji膩n)鎺х媭鎱�(t脿i)銆�
銆�銆�7. 鑺墖鍏�(n猫i)閮ㄩ泦鎴愪簡澶氱ó淇濊姗熷埗锛屽閬庢韩淇濊鍜岀煭璺繚璀�锛屽寮蜂簡绯荤当(t菕ng)鐨勫彲闈犳��銆�
LMX2470 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 鐒＄窔閫氫俊瑷倷锛屽寘鎷渹绐╁熀绔欍�佷腑绻肩珯鍜岀劇绶氭帴鍏ラ粸銆�
銆�銆�2. 灏勯牷淇¤櫉鐧�(f膩)鐢熷櫒鍜屾脯瑭︽脯閲忓剙鍣�銆�
銆�銆�3. GPS 鍜屽皫鑸郴绲�(t菕ng)涓殑闋荤巼鍚堟垚銆�
銆�銆�4. 楂橀�熸暩(sh霉)鎿�(j霉)鍌宠几绯荤当(t菕ng)涓殑鏅傞悩鎭㈠京鍜屼俊铏熷啀鐢�銆�
銆�銆�5. 宸ユキ(y猫)鎺у埗鍜岃嚜鍕曞寲瑷倷涓殑绮剧⒑闋荤巼鎺у埗銆�
銆�銆�6. 閱�(y墨)鐧傝ō鍌欎腑鐨勯珮闋讳俊铏熺敓鎴愬拰铏曠悊銆�
銆�銆�7. 琛�(w猫i)鏄熼�氫俊鍜屽唬鎾郴绲�(t菕ng)涓殑涓婅畩闋诲拰涓嬭畩闋绘搷浣�銆�
LMX2471, LMX2491, ADF4350
