English
Language : 

QT9701B Datasheet, PDF (23/28 Pages) Quantum Research Group – CHARGE - TRANSFER CAPACITANCE SENSOR IC
  /&$ 6(5,$/ (3520 &217(176
1RWH WKDW WKH 0LFURFKLS /&$ XVHV E\WHPRGH ERXQGDU\ DGGUHVVLQJ 0DQ\ SURP SURJUDPPHUV ZLOO UHIXVH WR UHFRJQL]H WKLV
VWUXFWXUH DQG ZLOO GHIDXOW WR ZRUG  ELW PRGH &RQVXOW \RXU SURP SURJUDPPHU PDQXIDFWXUHU IRU GHWDLOV RU XSJUDGH
UHTXLUHPHQWV
$GGUHVV






























6HOHFW
LWHP










$
%
&
'
(
)
*
+
-
/
1
3
8







3DUDPHWHU
VHQVLWLYLW\
K\VWHUHVLV
UHIHUHQFH RIIVHW
XQXVHG
SXOVH ZLGWK
EXUVW OHQJWK
EXUVW VSDFLQJ
UDQGRPL]DWLRQ
GULIW UDWH
PHGLDQ ILOWHU
ER[FDU DYHUDJLQJ
GHWHFW LQWHJUDWRU
PD[ RQGXUDWLRQ
GHWHFWLRQ PRGH
FDOLEUDWLRQ FRQWURO
GULIW VWRUH  GDWD ORFNLQJ
XQXVHG
XQXVHG
XQXVHG
RXWSXW VWUHWFK
XQXVHG
XQXVHG
XQXVHG
&] VWRUH
RIIVHW VWRUH
UHIHUHQFH VWRUH
WKUHVKROG VWRUH
XQXVHG
PRGH IODJV
FKHFN E\WH
9DOLG UDQJH
GHFLPDO






























&RPPHQWV
FDO VWRUH IRU &] FKDUJH FDQFHOODWLRQ FDSDFLWRUV
FDO VWRUH IRU 55 '$&
FDO VWRUH IRU UHIHUHQFH LQFO SHULRGLF >)D@ VWRUH
IRU WKUHVKROG RQO\  WKUHVKROG LV D ORRNXS
VHH FKDUW EHORZ
PXVW EH  [  [ KH[ IRU HSURP WR EH
UHFRJQL]HG
0RGH )ODJ %LWV
%LW








)XQFWLRQ

EJ
EJREM
REM
 8QXVHG
%LWV XVHG IRU LQWHUQDO SURFHVVLQJ WKH VWDWH RI WKHVH DUH LJQRUHG HYHQ WKRXJK ZULWWHQ
1RWH $OO SURFHVV IODJV DUH DOO LJQRUHG RQ SRZHUXS LI GDWD ORFNLQJ >)E@ LV RII
HSURP LV UHDG RQO\ RQFH RQ SRZHU XSHSURP ZLOO EH UHUHDG DQG D UHFDOLEUDWLRQ LQGXFHG LI SLQ  LV KHOG ORZ IRU XV PLQLPXP
)ODJ ELWV
REM
EJREM
EJ
 XQLW LQ SXUH REM PRGH
 XQLW LQ EJREM PRGH
 XQLW LQ EJ PRGH VWRUHG WR HSURP EXW QRW UHDG EDFN
1RWHV LI REM EJREM DUH ERWK  XQLW LV SUHVXPHG WR EH LQ SXUH EJ PRGH
,I DQ\ HSURP ORFDWLRQ EHWZHHQ DGGUHVV  DQG  LV RXW RI D  ERXQG RU LI WKH FKHFN E\WH DGGUHVV  LV QRW [ WKH
HSURP LV LJQRUHG DQG GHIDXOW VHWWLQJV DUH XVHG LQVWHDG