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AD9857 鏄竴娆剧敱 Analog Devices 鍏徃鐢熺敘(ch菐n)鐨勯珮鎬ц兘鐩存帴鏁�(sh霉)瀛楅牷鐜囧悎鎴愬櫒锛圖DS锛孌irect Digital Synthesizer锛�銆傝┎鍣ㄤ欢闆嗘垚浜嗕竴鍊嬮珮閫�銆侀珮鍒嗚鲸鐜囩殑 DDS 鍏�(n猫i)鏍稿拰涓€鍊� 14 浣嶆暩(sh霉)妯¤綁(zhu菐n)鎻涘櫒锛圖AC锛�锛岃兘澶犲湪鍠竴鑺墖涓婂鐝�(xi脿n)寰�(f霉)闆滅殑淇¤櫉鐢熸垚鍔熻兘銆侫D9857 鐨勫伐浣滈牷鐜囬珮閬�(d谩) 200 MHz锛岃兘澶犵敓鎴愮簿纰虹殑姝ｅ鸡娉�銆佹柟娉㈠拰涓夎娉俊铏�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬閫氫俊銆侀浄閬�(d谩)銆佸剙鍣ㄥ剙琛ㄤ互鍙婃脯瑭︽脯閲忛牁(l菒ng)鍩�銆�
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闆绘簮闆诲锛�3.3V
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銆€銆€DAC 鍒嗚鲸鐜囷細14 浣�
銆€銆€鍏�(n猫i)閮ㄦ檪閻橀牷鐜囷細200 MHz
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銆€銆€鍔熻€楋細600 mW锛堝吀鍨嬪€硷級
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銆€銆€灏佽褰㈠紡锛歍QFP-64

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AD9857 鐨勪富瑕佺壒鎬у寘鎷互涓嬪咕榛烇細
銆€銆€1. 楂橀€� DDS 鍏�(n猫i)鏍革細鏀寔楂橀仈(d谩) 200 MHz 鐨勫収(n猫i)閮ㄦ檪閻橀牷鐜�锛屾彁渚涘崜瓒婄殑闋荤巼鍒嗚鲸鐜囧拰蹇€熷垏鎻涜兘鍔�銆�
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銆€銆€3. 闆嗘垚 DAC锛氬叿鏈� 14 浣嶅垎杈ㄧ巼鐨勯珮鎬ц兘鏁�(sh霉)妯¤綁(zhu菐n)鎻涘櫒锛屽彲鐩存帴鐢熸垚妯℃摤淇¤櫉銆�
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銆€銆€6. 鏄撲簬鎺у埗锛氶€氶亷 SPI 鎺ュ彛閫�(j矛n)琛岄厤缃拰鎺у埗锛屾柟渚胯垏寰帶鍒跺櫒鎴� FPGA 闆嗘垚銆�
銆€銆€7. 灏忓昂瀵稿皝瑁濓細閲囩敤 TQFP-64 灏佽锛岀瘈(ji茅)鐪侀浕璺澘绌洪枔銆�

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銆€銆€1. 閫氫俊绯荤当(t菕ng)锛氱敤浜庣劇绶氶€氫俊瑷�(sh猫)鍌欎腑鐨勬湰鎸俊铏熸簮銆佽(di脿o)鍒惰В瑾�(di脿o)鍣ㄥ拰淇¤櫉鐧�(f膩)鐢熷櫒銆�
銆€銆€2. 闆烽仈(d谩)绯荤当(t菕ng)锛氭彁渚涚簿纰虹殑闋荤巼鍜岀浉浣嶆帶鍒�锛岄仼鐢ㄤ簬鑴堟矕澹撶府鍜岀洰妯�(bi膩o)妾㈡脯銆�
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