瀹炵敤鏂囨。
鏂囨澶у叏
鍩轰簬
AD9833
鐨勯珮绮惧害鍙紪绋嬫尝褰㈠彂鐢熷櫒绯荤粺璁捐
鏉ユ簮锛?/p>
鍥藉鐢靛瓙鍏冨櫒浠?/p>
1
寮曡█
棰戠巼鍚堟垚鍣ㄥ湪閫氫俊銆侀浄杈惧拰瀵艰埅绛夎澶囦腑鏃㈡槸鍙戝皠鏈虹殑婵�鍔变俊鍙锋簮锛屽張
鏄帴鏀舵満鐨勬湰鍦版尟鑽″櫒锛?/p>
鍦ㄧ數瀛愬鎶楄澶囦腑鍙綔涓哄共鎵颁俊鍙峰彂鐢熷櫒锛?/p>
鍦ㄦ祴璇曡澶?/p>
涓垯浣滀负鏍囧噯淇″彿婧愩�傚洜姝ら鐜囧悎鎴愬櫒琚О涓鸿澶氱數瀛愮郴缁熺殑鈥滃績鑴忊�濄�傝�岃璁?/p>
楂樼簿搴︼紝
鏄撲簬鎿嶄綔鐨勯鐜囧悎鎴愬櫒鍒欐槸鏍稿績锛?/p>
鍥犳锛?/p>
杩欓噷鎻愬嚭浜嗕竴绉嶅熀浜?/p>
DDS
AD9833
鐨勯珮绮惧害娉㈠舰鍙戠敓鍣ㄧ郴缁熻В鍐虫柟妗堛�?/p>
鐢ㄦ埛鍙洿鎺ョ紪杈戣缃墍闇�鐨勬尝褰㈤鐜囧拰宄板嘲
鍊肩瓑淇℃伅锛?/p>
鍒╃敤涓插彛灏嗛厤缃俊鎭彂閫佸埌鐢佃矾鏉匡紝
瀹炴椂鎺у埗娉㈠舰銆?/p>
璇ョ郴缁熻璁″凡鎴?/p>
鍔熷簲鐢ㄤ簬鏌愬瀷闆疯揪娴嬮�熶华娴嬭瘯璁惧銆?/p>
2 AD9833
绠�浠?/p>
AD9833
鏄?/p>
ADI
鍏徃鐨勪竴娆句綆鍔熻�椼�?/p>
DDS
鍣ㄤ欢锛?/p>
鑳藉杈撳嚭姝ｅ鸡娉€�?/p>
涓夎娉€�?/p>
鏂规尝銆?/p>
AD9833
鏃犻渶澶栨帴鍏冧欢锛岃緭鍑洪鐜囧拰鐩镐綅鍙�氳繃杞欢缂栫▼璁剧疆锛屾槗浜庤皟鑺傘�?/p>
鍏堕鐜囧瘎瀛樺櫒涓?/p>
28
浣嶏紝涓婚鏃堕挓涓?/p>
25 MHz
鏃讹紝鍏剁簿搴︿负
0
锛?/p>
1 Hz
锛涗富棰戞椂閽熶负
l MHz
鏃讹紟绮惧害鍙揪
0
锛?/p>
004 Hzt2
銆?/p>
AD9833
鍐呴儴鏈?/p>
5
涓彲缂栫▼瀵勫瓨鍣細
1
涓?/p>
16
浣嶆帶鍒跺瘎瀛樺櫒锛?/p>
鐢ㄤ簬璁剧疆鍣ㄤ欢
_T
浣滄ā寮忥紱
2
涓?/p>
28
浣嶉鐜囧瘎瀛樺櫒鍜?/p>
2
涓?/p>
12
浣嶇浉浣嶅瘎瀛樺櫒锛?/p>
鍒嗗埆鐢ㄤ簬璁剧疆鍣ㄤ欢杈?/p>
鍑烘寮︽尝鐨勯鐜囧拰鐩镐綅銆?/p>
AD9833
鏈?/p>
3
鏍逛覆琛屾帴鍙ｇ嚎锛?/p>
鍙笌
SPI
锛?/p>
QSPI
锛?/p>
MICRO-WIRE
鍜?/p>
DSP
鎺ュ彛鏍囧噯鐩稿吋瀹广�?/p>
鍦ㄤ覆鍙ｆ椂閽?/p>
SCLK
鐨勪綔鐢ㄤ笅锛?/p>
鏁版嵁鏄互
16
浣嶆柟寮忓姞杞借嚦
璁惧銆?/p>
AD9833
鐨勫唴閮ㄧ數璺富瑕佹湁鏁版帶鎸崱鍣?/p>
(NCO)
銆侀鐜囧拰鐩镐綅璋冭妭鍣ㄣ�?
SineROM
銆?/p>
D
锛?/p>
A
杞崲鍣ㄣ�佺數鍘嬭皟鏁村櫒銆?/p>
AD9833
鐨勬牳蹇冩槸
28
浣嶇殑鐩镐綅绱姞鍣紝瀹?/p>
鐢卞姞娉曞櫒鍜岀浉浣嶅瘎瀛樺櫒缁勬垚锛?/p>
鑰岀浉浣嶅瘎瀛樺櫒鏄寜姣忎釜鏃堕挓澧炲姞姝ラ暱锛?/p>
鐩镐綅瀵勫瓨鍣?/p>
鐨勮緭鍑轰笌鐩镐綅鎺у埗瀛楃浉鍔犲悗杈撳叆鍒版寮︽煡璇㈣〃鍦板潃涓�?/p>
姝ｅ鸡鏌ヨ琛ㄥ寘鍚?/p>
1
涓懆鏈?/p>
姝ｅ鸡娉㈢殑鏁板瓧骞呭�间俊鎭紝姣忎釜鍦板潃瀵瑰簲姝ｅ鸡娉腑
O
銆傦綖
360
掳鍐呯殑
1
涓浉浣嶇偣銆?/p>
鏌ヨ琛ㄦ妸杈撳叆鐨勫湴鍧�鐩镐綅淇℃伅鏄犲皠鎴愭寮︽尝骞呭�肩殑鏁板瓧閲忎俊鍙凤紝椹卞姩
D
锛?/p>
A
杞崲
鍣ㄨ緭鍑烘ā鎷熼噺銆?/p>
杈撳嚭姝ｅ鸡娉㈤鐜囦负锛?/p>
寮忎腑锛?/p>
FREQREG
涓洪鐜囨帶鍒跺瓧锛岀敱棰戠巼瀵勫瓨鍣?/p>
FREQOREG
鎴?/p>
FREQlREG
鐨勫�肩粰瀹氾紝
鍏惰寖鍥翠负
0
鈮?/p>
M<228
涓�
1
銆?/p>
fMCLK
涓哄弬鑰冩椂閽熼鐜囥�?/p>
杈撳嚭姝ｅ鸡娉㈢殑鐩镐綅涓?/p>
2
蟺锛?/p>
4
096xPHASEREG
锛屽叾涓?/p>
PHASEREG
鏄墍閫夌浉浣?/p>
瀵勫瓨鍣ㄧ殑鍊笺�傝緭鍑烘寮︽尝鐨勫嘲宄板�煎浐瀹氾紟绾?/p>
600
mV
锛屼笖姝ｅ鸡娉笉鏄爣鍑嗘寮︽尝锛?/p>
鍗虫尝璋锋槸
0 V
锛岃�屼笉鏄礋鐢靛帇銆傚洜姝わ紝杈撳嚭姝ｅ鸡娉负锛?/p>
寮忎腑锛?/p>
K
绾?/p>
600 mV
锛屼笌鍣ㄤ欢鍐呴儴鍙傝�冪數鍘嬫湁鍏炽�?/p>