MP8785 查看數據表（PDF） - Exar Corporation

零件编号

产品描述 (功能)

比赛名单

MP8785

CMOS 30 MSPS, 8Bit High-Speed, Low Power Analog-to-Digital Converter with Power Down

Exar Corporation 

/,1($5,7< '(),1,7,21

7KH ,GHDO $'&

7KH WUDQVIHU IXQFWLRQ IRU DQ LGHDO $' FRQYHUWHU LV VKRZQ LQ

)LJXUH 

287387

&2'(6

 /6%

 /6%

'1/ /6%

$QDORJ

,QSXW

2XWSXW

&RGHV

03

91

91

1

1

1ï

 /6%





 /6%

95% 9 9

))

)(

)'

9)( 9))

9,1

957

)LJXUH  ,GHDO $' 7UDQVIHU )XQFWLRQ

7KH ILUVW WUDQVLWLRQ IRU WKH GDWD ELWV WDNHV SODFH ZKHQ

9,1 9 95%   /6%

7KH ODVW WUDQVLWLRQ RI WKH GDWD ELWV WDNHV SODFH ZKHQ

9,1 9)) 957 ï  /6%

ZKHUH /6%

DQG

95()

95()  

9)) ï 9  

 957 ï 95% 

7KH 5HDO $'&

,Q D ´UHDOµ FRQYHUWHU WKH FRGHWRFRGH WUDQVLWLRQV GR QRW IDOO

H[DFWO\ HYHU\ 95() YROWV

$ SRVLWLYH '1/ 'LIIHUHQWLDO 1RQ /LQHDULW\ HUURU PHDQV WKDW

WKH UHDO ZLGWK RI D SDUWLFXODU FRGH LV ODUJHU WKDQ  /6% 7KLV HUURU

LV PHDVXUHG LQ IUDFWLRQV RI /6%V

$ VSHFLILFDWLRQ RI 0D[ '1/   /6% PHDQV WKDW DOO FRGHV

DUH ZLWKLQ  /6% DQG  /6% )RU H[DPSOH LI 95()  9

WKHQ  /6% P9 DQG HYHU\ FRGH ZLGWK LV EHWZHHQ  DQG 

P9

287387

&2'(6

,GHDO

 /6%

(=6







95% 9 9

 /6%

()6

))

)(

9)(

9))

9

957

)LJXUH  5HDO $' 7UDQVIHU &XUYH

)LJXUH  '1/ 0HDVXUHPHQW

7KH IRUPXODV IRU 'LIIHUHQWLDO 1RQOLQHDULW\ '1/ ,QWHJUDO

1RQ/LQHDULW\ ,1/ DUH

'1/  9 ï 9 ï /6%



'1/ )( 9)) ï 9)( ï /6%

7KXV '1/1 > 91 ï 91 @ ï /6%

&RGH :LGWK 1 91 ï 91

6LPLODUO\ WKH ]HUR VFDOH DQG IXOO VFDOH HUURUV DUH GHILQHG DV

()6 IXOO VFDOH HUURU 9)) ï 957 ï  /6%

(=6 ]HUR VFDOH HUURU 9 ï 95%   /6%

ZKHUH /6% > 957 ï 95% @  

)LJXUH  VKRZV WKH ]HUR VFDOH DQG IXOO VFDOH HUURU WHUPV

ZKLOH )LJXUH  VKRZV WKH GHILQLWLRQ RI '1/

2XWSXW

&RGHV



5HDO 7UDQVIHU /LQH





,1/









/6%

%HVW )LW /LQH

()6

,GHDO 7UDQVIHU /LQH

(=6

$QDORJ ,QSXW 9ROW

)LJXUH  ,1/ (UURU &DOFXODWLRQ %LW

)LJXUH  JLYHV D YLVXDO GHILQLWLRQ RI WKH ,1/ HUURU 7KH JUDSK

VKRZV D ELW FRQYHUWHU WUDQVIHU FXUYH ZLWK JUHDWO\ H[DJJHUDWHG

'1/ HUURUV WR VKRZ WKH GHYLDWLRQ RI WKH UHDO WUDQVIHU FXUYH IURP

WKH LGHDO RQH

$IWHU D WHVWHU KDV PHDVXUHG DOO WKH WUDQVLWLRQ YROWDJHV D OLQH

LV GUDZQ SDUDOOHO WR WKH LGHDO WUDQVIHU OLQH %\ GHILQLWLRQ WKH EHVW

ILW OLQH PDNHV HTXDO WKH SRVLWLYH DQG DQG WKH QHJDWLYH ,1/ HUURUV

7KLV PD\ FKDQJH DQ ,1/ RI ï WR  /6%V UHODWLYH WR WKH LGHDO

OLQH LQWR D  UHODWLYH WR WKH EHVW ILW OLQH

5HY 



Share Link: