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AK8135C Datasheet, PDF (10/15 Pages) Asahi Kasei Microsystems – Multi Clock Generator with VCFO | |||
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[AK8135C]
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AK8135C ã® VCFOï¼Voltage Controlled Frequency Oscillatorï¼ã¯å³5-1 ã§ç¤ºãããããã« AD å¤
æå¨ã¨é«åè§£è½ PLL ã§æ§æããã¾ãã VIN 端åã¸ã®å
¥åé»å§ã«ãã VCFO åºåå¨æ³¢æ°ï¼REF1ãREF2ã
REF3ï¼ãç´0.2ppm ã¹ãããã§ç¬ç«ã«å¶å¾¡ãããã¨ãã§ãã¾ãã
VIN å
¥åé»å§ã AD å¤æãããµã³ããªã³ã°å¨æ³¢æ°ã¯ fs=8kHz ã§ããVIN 端åã¸å
¥åãããå¨æ³¢æ°
å¶å¾¡ä¿¡å·ã¯ãå¤é¨ LPF ã«ããPWMä¿¡å·ãå¹³æ»åããã DC ä¿¡å·ã§ãããã¨ãåæã¨ãã¦ãã¾ãã
AK8135C
PWM
å¤é¨ LPF
VIN
ADCï¼FLT
24.576MHï½
High-resolution
PLL
VCFO
å³ï¼ï¼ï¼
REF1-3
+96ppm
0ppm
(27.0MHz)
-96ppm
0.5 1/2VDD-1.0
1/2VDD
1/2VDD+1.0 VDD-0.5
VIN Input Voltage [V]
MS1254-J-01
- 10 -
2010/11
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