Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF HTML

MP8786 Datasheet(PDF) 5 Page - Exar Corporation

Part No. MP8786
Description  CMOS 30 MSPS, 8Bit High-Speed, Low Power Analog-to-Digital Converter with Power Down
Download  10 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  EXAR [Exar Corporation]
Homepage  http://www.exar.com
Logo 

MP8786 Datasheet(HTML) 5 Page - Exar Corporation

 
Zoom Inzoom in Zoom Outzoom out
 5 / 10 page
background image
03

5HY 
7+(25< 2) 23(5$7,21
$QDORJ WR 'LJLWDO &RQYHUVLRQ
7KH 03 XVHV D WZR VWHS VXEUDQJLQJ DUFKLWHFWXUH WR
FRQYHUW DQDORJ YROWDJHV LQWR  GLJLWDO FRGHV
$ IXOO FRQYHUVLRQ VDPSOLQJ 9,1 FRQYHUWLQJ 06%/6% DQG
SHUIRUPLQJ DQ\ HUURU FRUUHFWLRQ UHTXLUHV IRXU FORFN F\FOHV WR
FRPSOHWH VHH )LJXUH  7KH SLSHOLQHG DUFKLWHFWXUH DOORZV WKH
FKLS WR PDLQWDLQ D RQH FRQYHUVLRQ SHU F\FOH VDPSOH UDWH 'LJLWDO
ORJLF FRPELQHV WKH 06% DQG /6% GDWD DQG SHUIRUPV HUURU
FRUUHFWLRQ WR SURGXFH ELW RXWSXW FRGHV
,QWHUQDO 5HIHUHQFH %LDV
7KH 03 LQFOXGHV WZR RQFKLS UHVLVWRUV WKDW FDQ EH XVHG
WR ELDV WKH UHIHUHQFH ODGGHU ZLWKRXW H[WHUQDO FLUFXLWU\ 7KHVH WZR
UHVLVWRUV DUH GHVLJQHG WR WUDFN WKH UHIHUHQFH ODGGHU DQG DUH
XVHG WR FUHDWH D YROWDJH GLYLGHU EHWZHHQ WKH VXSSOLHV $9'' DQG
$*1' 
7R XVH WKLV IHDWXUH VLPSO\ FRQQHFW 957 WR 9576 DQG FRQQHFW
95% WR 95%6 7KLV ZLOO QRPLQDOO\ JHQHUDWH
$9'' [  DW 95% DQG
$9'' [  DW 957
7KLV ZLOO JHQHUDWH  9 DW 95% DQG  9 DW 957 )LJXUH 
%\SDVV FDSDFLWRUV RQ 957 DQG 95% DUH VXJJHVWHG WR VWDELOL]H
WKH ODGGHU
,I WKH LQWHUQDO UHIHUHQFH SLQV 9576 DQGRU 95%6 DUH QRW XVHG
WKH\ VKRXOG EH OHIW XQFRQQHFWHG
$9''
[5/
5/
[5/
9576
957
95%
95%6
$*1'
)LJXUH  ,QWHUQDO 5HIHUHQFH %LDV
7UDQVIHU &KDUDFWHULVWLFV
7KH LGHDO $'& LV D OLQHDU EXLOGLQJ EORFN WKDW KDV LQILQLWH
EDQGZLGWK DQG QR SKDVH GLVWRUWLRQ $ UHDO $'& KRZHYHU
H[KLELWV ILQLWH EDQGZLGWK DQG QRQFRQVWDQW JURXS GHOD\
FKDUDFWHULVWLFV DV ZHOO DV QRQOLQHDU EHKDYLRU GXH WR WKH
QRQ]HUR ,1/ FKDUDFWHULVWLF :KHQ PRGHOLQJ WKH $'& DV D
OLQHDU HOHPHQW DQG D TXDQWL]HU WKH FLUFXLW VKRZQ LQ )LJXUH  FDQ
EH XVHG LQ RUGHU WR UHSUHVHQW WKH $'&·V EDQGZLGWK
)LJXUH  ,QSXW (TXLYDOHQW &LUFXLW
9,1
$*1'
 S)
 S)
 S)
 :
 :
&/.
&/.
957 95%


ï
&/.
6DPSOH DQG +ROG 7LPLQJ
7KH $'&·V LQWHUQDO VDPSOH DQG KROG WUDFNV WKH LQSXW VLJQDO
ZKHQ &/. LV KLJK $IWHU D GHOD\ RI W$3 IURP WKH IDOOLQJ FORFN HGJH
WKH DQDORJ VLJQDO LV VDPSOHG DQG KHOG IRU FRQYHUVLRQ DV VHHQ LQ
)LJXUH 
&/.
)LJXUH  6DPSOH DQG +ROG 7LPLQJ
 QV
7UDFN
+ROG
7UDFN
+ROG
W$3
6+
6DPSOH
9,1
2XWSXW (QDEOH 2(
7KH 2( SLQ FRQWUROV WKH VWDWH RI WKH GLJLWDO RXWSXW GULYHUV
:KHQ IRUFHG ORZ WKH GULYHUV DUH DFWLYH :KHQ SXOOHG KLJK WKH
GULYHUV DUH VWDWHG 3OHDVH QRWH WKDW WKH 2( SLQ RQO\ FRQWUROV
WKH RXWSXW GULYHUV WKH UHVW RI WKH FKLS LV VWLOO DFWLYH 7KHUHIRUH LI
WKH FORFN LV UXQQLQJ WKH LQWHUQDO UHJLVWHUV DUH XSGDWHG HYHQ LI WKH
GLJLWDO RXWSXWV DUH VWDWHG )LJXUH  
+LJK
,PSHGDQFH
2(
W'+=
W'(1
'$7$
)LJXUH  2XWSXW (QDEOH'LVDEOH 7LPLQJ 'LDJUDP
3RZHU 'RZQ 0RGH
)RU V\VWHPV WKDW DUH EDWWHU\ SRZHUHG WKH 03 KDV D
SRZHU GRZQ IHDWXUH WR KHOS H[WHQG EDWWHU\ OLIH :KHQ WKH
YROWDJH DW WKH 957 SLQ GURSV EHORZ  9 WKH FKLS JRHV LQWR
SRZHU GRZQ PRGH ,Q WKLV VWDWH FRQYHUVLRQV DUH KDOWHG WKH
RXWSXWV DUH VWDWHG DQG ,'' GURSV WR OHVV WKDQ  2$ 7KHQ
ZKHQ WKH YROWDJH DW WKH 957 SLQ ULVHV DERYH  9 WKH FKLS ZLOO
SRZHU XS 1RWH WKDW DIWHU SRZHU XS IRXU FORFN F\FOHV DUH
UHTXLUHG WR JHW YDOLG GDWD DW WKH GLJLWDO RXWSXWV VHH )LJXUH 
2QH ZD\ WR DFKLHYH SRZHU GRZQ LV WR GLVFRQQHFW RU GLVDEOH WKH
EXIIHUDPS GULYLQJ 957 DQG OHW WKH LQWHUQDO UHIHUHQFH UHVLVWDQFH
SXOO 957 GRZQ 5HPHPEHU DQ\ E\SDVV FDSDFLWRUV DW 957 ZLOO
LQFUHDVH WKH WLPH IRU 957 WR GURS EHORZ  9


Html Pages

1  2  3  4  5  6  7  8  9  10 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn