English
Language : 

XRD4460A Datasheet, PDF (18/22 Pages) Exar Corporation – CCD IMAGE DIGITIZERS WITH CDS, PGA, AND 10-BIT A/D
;5'$;5'/$
'LJLWDO 2XWSXW 3RZHU 6XSSOLHV
7KH '9'' DQG '*1' SLQV VXSSO\ SRZHU WR WKH GLJLWDO
RXWSXW GULYHUV IRU SLQV '%>@ 81'(5 DQG 29(5
'9'' LV LVRODWHG IURP 9'' VR LW FDQ EH DW D YROWDJH OHYHO
OHVV WKDQ RU HTXDO WR 9'' 7KLV DOORZV WKH GLJLWDO RXWSXWV WR
LQWHUIDFH ZLWK DGYDQFHG GLJLWDO $6,&V UHTXLULQJ UHGXFHG
VXSSO\ YROWDJHV )RU H[DPSOH 9'' FDQ EH  RU 9
ZKLOH '9'' LV 9
6\VWHPV ZKLFK XVH WKH VDPH YROWDJH OHYHO IRU ERWK DQDORJ
DQG GLJLWDO SRZHU VXSSOLHV FDQ WDNH DGYDQWDJH RI WKH
LVRODWHG '9'' '*1' SLQV WR UHGXFH V\VWHP QRLVH 7KH
RXWSXW GULYHUV FUHDWH ODUJH VXSSO\ WUDQVLHQWV DV WKH\
VZLWFK 7KHUHIRUH '9'' DQG '*1' VKRXOG EH URXWHG
VHSDUDWHO\ IURP WKH DQDORJ 9'' *1' WR DYRLG LQMHFWLQJ
WKLV QRLVH LQWR WKH DQDORJ SRZHU QHWZRUN VHH )LJXUH 
3RZHU 6XSSO\ 6HTXHQFLQJ
7KHUH DUH QR SRZHU VXSSO\ VHTXHQFLQJ LVVXHV LI '9''
DQG 9'' RI WKH ;5'$/ DUH GULYHQ IURP WKH
VDPH VXSSO\ :KHQ '9'' DQG 9'' DUH GULYHQ
VHSDUDWHO\ 9'' PXVW FRPH XS DW WKH VDPH WLPH RU EHIRUH
'9'' DQG JR GRZQ DW WKH VDPH WLPH RU DIWHU '9'' ,I WKH
SRZHU VXSSO\ VHTXHQFLQJ LQ WKLV FDVH LV QRW IROORZHG WKHQ
GDPDJH PD\ RFFXU WR WKH SURGXFW GXH WR FXUUHQW IORZ
WKURXJK WKH VRXUFHERG\ MXQFWLRQ GLRGHV EHWZHHQ '9''
DQG 9'' $Q H[WHUQDO GLRGH  OD\HG RXW FORVH
WR WKH FRQYHUWHU IURP '9'' WR 9'' SUHYHQWV GDPDJH IURP
RFFXUULQJ ZKHQ SRZHU LV F\FOHG LQFRUUHFWO\
  1RWH 9 PXVW EH JUHDWHU WKDQ RU HTXDO WR '9 RU WKH
VRXUFHERG\ GLRGHV ZLOO EH IRUZDUG EDVHG
9
2XWSXW
5HJLVWHU
'9
6RXUFH%RG\
-XQFWLRQ 'LRGH
%HWZHHQ
9
'9
'LJLWDO 2XWSXW
6RXUFH%RG\
-XQFWLRQ 'LRGH
%HWZHHQ
'*1' *1'
*1'
'*1'
)LJXUH  '9 '*1' 'LJLWDO 2XWSXW 3RZHU 6XSSOLHV
5HY 
ï