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AK8126B Datasheet, PDF (6/8 Pages) Asahi Kasei Microsystems – EMI Countermeasure for Spread Spectrum IC | |||
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[AK8126B]
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1. Cycle to cycle jitter: The variation in cycle time of a single between adjacent cycles, over a random
sample of adjacent cycle pairs.
CKOUT
tcycle n
tcycle n+1
1/2VDD
CCJ = | tcyclen - tcyclen+1 | : where tcycle n and tcyclen+1 are any two adjacent cycles measured on controlled
edges.
ï¼ï¼ï¼ï¼å¨æ³¢æ°ç¹æ§
VDDï¼3.0ï½3.6Vï¼Taï¼-10ï½85â
é
ç®
端å
MIN
TYP
MAX
åä½
åè
å
¥åå¨æ³¢æ°ç¯å²
XIN
90
128
MHz FR0=L
24.3
27.0
32.4
FR0=H
å¤èª¿å¨æ³¢æ°
CKOUT 27.04
38.46 KHz *1
åºåå¨æ³¢æ°ç¯å²
CKOUT
90
100
128
MHz FR0=L
å¨æ³¢æ°å¤èª¿åº¦
CKOUT
ã»ã³ã¿ã¼ã¹ãã¬ããè¨å®æ
±0.5
±0.25
% S1/0=LL
S1/0=LH
±1.0
S1/0=HL
±1.5
S1/0=HH
å¨æ³¢æ°å¤èª¿åº¦
CKOUT
-1.0
% S1/0=LL
ãã¦ã³ã¹ãã¬ããè¨å®æ
-0.5
S1/0=LH
-2.0
S1/0=HL
-3.0
S1/0=HH
ãã¦ã³ã¹ãã¬ããæ
CKOUT
-0.6
% S1/0=LL
å¹³åå¨æ³¢æ°ãã
-0.36
S1/0=LH
FR0=L *2
-1.2
S1/0=HL
-1.8
S1/0=HH
ãã¦ã³ã¹ãã¬ããæ
CKOUT
-0.625
% S1/0=LL
å¹³åå¨æ³¢æ°ãã
-0.375
S1/0=LH
FR0=H *2
-1.25
S1/0=HL
-1.875
S1/0=HH
*1) å¤èª¿å¨æ³¢æ°ã¯å
¥åå¨æ³¢æ°ã«ä¾åãã¾ãã
FR0=L 90-128MHz ï¼19.23kHz X å
¥åå¨æ³¢æ°ï¼çºæ¯å¨æ³¢æ°ï¼/64Hz
FR0=H 27.0MHz ï¼31.25kHz
*2)ï¾ï¾ï½³ï¾ï½½ï¾ï¾ï¾ï½¯ï¾ï¾æãçæ³å¹³åå¨æ³¢æ°ã¯ãï½å¤èª¿åº¦ï½Ã· 2(%)ä½ãå¨æ³¢æ°ã¨ãªãã¾ãããAK8126Bã§ã¯ä¸è¡¨ã®ã¨ãã
å¹³åå¨æ³¢æ°ãä½ããªãã¾ãã
MS1047-J-01
-6-
2009/2
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