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| AK8135F Datasheet, PDF (8/12 Pages) Asahi Kasei Microsystems – Multi Clock Generator with VCFS | |||
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[AK8135F]
AK8135Fã®VCFSï¼Voltage Controlled Frequency Synthesizerï¼ã¯å³4-1ã§ç¤ºãããããã«ADå¤æå¨
ã¨é«å解è½PLLã§æ§æããã¾ãã VIN1端åãåã³VIN2端åã¸ã®å
¥åé»å§ã«ããVCFS1åºåå¨æ³¢æ°ï¼REF1ã
REF2ï¼åã³VCFS2åºåå¨æ³¢æ°ï¼REF3ãREF4ï¼ãç´0.2ppmã¹ãããã§ç¬ç«ã«å¶å¾¡ãããã¨ãã§ãã¾ãã
VIN1ãVIN2å
¥åé»å§ãADå¤æãããµã³ããªã³ã°å¨æ³¢æ°ã¯fs=4kHzã§ãã VIN1端åãVIN2端åã¸å
¥
åãããå¨æ³¢æ°å¶å¾¡ä¿¡å·ã¯ãå¤é¨LPFã«ããPWMä¿¡å·ãå¹³æ»åãããDCä¿¡å·ã§ãããã¨ãåæã¨ãã¦ã
ã¾ãã
AK8135F
å¤é¨ LPF
PWM
VIN1/2
ADCï¼FLT
24.576MHï½
High-resolution
PLL
VCFS1/2
å³ï¼ï¼ï¼
REF1-4 å¨æ³¢æ°
REF1-4
+85ppm
0ppm (27.0MHz)
-85ppm
0.5 1/2VDD-1.0
1/2VDD
VIN1/2 é»å§ï¼Vï¼
1/2VDD+1.0 VDD-0.5
å³ï¼ï¼ï¼
MS1181-J-02
-8-
2011/02
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