LMX2470 鏅�(sh铆)闁擄細2025/5/6 15:37:17 闁辫畝锛�22

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(y墨ng)鐢ㄤ簬鐒�(w煤)绶�(xi脿n)閫氫俊銆佸皠闋讳俊铏�(h脿o)鍚堟垚鍜岄牷鐜囪綁(zhu菐n)鎻涚瓑绯荤当(t菕ng)銆傝┎鑺墖鍏�(n猫i)缃簡浣庡櫔鑱茬殑 PLL 鏋舵(g貌u)鍜屽甯� VCO锛屾敮鎸佸绋牷鐜囧悎鎴愰渶姹傦紝閬╁悎闇€瑕侀珮绮惧害鍜屼綆鐩镐綅鍣伈鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�
銆€銆€LMX2470 鐨勮ō(sh猫)瑷�(j矛)浣垮叾鑳藉鍦ㄨ純瀵殑宸ヤ綔闋荤巼鑼冨湇鍏�(n猫i)鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭淇¤櫉(h脿o)锛屽苟涓斿彲浠ラ€氶亷(gu貌)澶栭儴绶ㄧ▼鎺ュ彛闈堟椿瑾�(di脿o)鏁村叾宸ヤ綔鍙冩暩(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夛紝寰炶€岀啊(ji菐n)鍖栦簡绯荤当(t菕ng)瑷�(sh猫)瑷�(j矛)骞舵笡灏戜簡澶栧湇鍏冧欢鐨勯渶姹�銆�

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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€硷紝鍦�1MHz鍋忕Щ鏅�(sh铆)锛�
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

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LMX2470 鎻愪緵浜嗗绋棞(gu膩n)閸电壒鎬у拰鍎�(y艒u)鍕�(sh矛)锛屼娇鍏舵垚鐐鸿ū澶氶珮闋绘噳(y墨ng)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�(y墨ng)澶氱ó闋荤巼鍚堟垚闇€姹傘€�
銆€銆€2. 闆嗘垚浜嗕綆鍣伈 PLL 鏋舵(g貌u)锛岀⒑淇濊几鍑轰俊铏�(h脿o)鍏锋湁妤典綆鐨勭浉浣嶅櫔鑱�銆�
銆€銆€3. 鍙法绋� PLL 甯跺鍜岄潏娲绘€ч珮鐨勫垎闋诲櫒瑷�(sh猫)缃�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(sh铆)闁�锛岄仼鐢ㄤ簬灏�(du矛)鍕�(d貌ng)鎱�(t脿i)闊挎噳(y墨ng)瑕佹眰杓冮珮鐨勬噳(y墨ng)鐢�銆�
銆€銆€5. 鍏�(n猫i)缃浕鑽锋车鍜岀挵(hu谩n)璺烤娉㈠櫒瑁�(b菙)鍎熷姛鑳斤紝绨�(ji菐n)鍖栦簡澶栭儴闆昏矾瑷�(sh猫)瑷�(j矛)銆�
銆€銆€6. 鎻愪緵涓茶澶栬ō(sh猫)鎺ュ彛 (SPI)锛岀敤浜庨厤缃姱鐗囧弮鏁�(sh霉)鍜屽(sh铆)鏅�(sh铆)鐩�(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(h霉)姗�(j墨)鍒�锛屽閬�(gu貌)婧繚璀�(h霉)鍜岀煭璺繚璀�(h霉)锛屽寮�(qi谩ng)浜嗙郴绲�(t菕ng)鐨勫彲闈犳€�銆�

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LMX2470 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 鐒�(w煤)绶�(xi脿n)閫氫俊瑷�(sh猫)鍌�锛屽寘鎷渹绐╁熀绔�銆佷腑绻肩珯鍜岀劇(w煤)绶�(xi脿n)鎺ュ叆榛�(di菐n)銆�
銆€銆€2. 灏勯牷淇¤櫉(h脿o)鐧�(f膩)鐢熷櫒鍜屾脯(c猫)瑭︽脯(c猫)閲�?j墨)x鍣�銆�
銆€銆€3. GPS 鍜屽皫(d菐o)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�(sh铆)閻樻仮寰�(f霉)鍜屼俊铏�(h脿o)鍐嶇敓銆�
銆€銆€5. 宸ユキ(y猫)鎺у埗鍜岃嚜鍕�(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勭簿纰洪牷鐜囨帶鍒�銆�
銆€銆€6. 閱�(y墨)鐧傝ō(sh猫)鍌欎腑鐨勯珮闋讳俊铏�(h脿o)鐢熸垚鍜岃檿鐞�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�