ChipFind - документация

Электронный компонент: ISD2590X

Скачать:  PDF   ZIP
2-117
ISD
Table 2-76: ISD2560/75/90/120 Product Summary
Part
Number
Duration
(Seconds)
Input Sample
Rate (KHz)
Typical Filter Pass
Band (KHz)
,6'
,6'
,6'
,6'
*(1(5$/'(6&5,37,21
,QIRUPDWLRQ 6WRUDJH 'HYLFHVn ,6' &KLS
&RUGHU
6HULHV SURYLGHV KLJKTXDOLW\ VLQJOHFKLS
5HFRUG3OD\EDFNVROXWLRQVIRUWRVHFRQG
PHVVDJLQJ DSSOLFDWLRQV 7KH &026 GHYLFHV LQ
FOXGHDQRQFKLSRVFLOODWRUPLFURSKRQHSUHDP
SOLILHU DXWRPDWLF JDLQ FRQWURO DQWLDOLDVLQJ ILOWHU
VPRRWKLQJILOWHUVSHDNHUDPSOLILHUDQGKLJKGHQ
VLW\ PXOWLOHYHO VWRUDJH DUUD\ ,Q DGGLWLRQ WKH
,6' LV PLFURFRQWUROOHU FRPSDWLEOH DOORZLQJ
FRPSOH[ PHVVDJLQJ DQG DGGUHVVLQJ WR EH
DFKLHYHG
5HFRUGLQJV DUH VWRUHG LQ RQFKLS QRQYRODWLOH
PHPRU\ FHOOV SURYLGLQJ ]HURSRZHU PHVVDJH
VWRUDJH7KLVXQLTXHVLQJOHFKLSVROXWLRQLVPDGH
SRVVLEOHWKURXJK,6'nVSDWHQWHGPXOWLOHYHOVWRUDJH
WHFKQRORJ\ 9RLFH DQG DXGLR VLJQDOV DUH VWRUHG
GLUHFWO\LQWRPHPRU\LQWKHLUQDWXUDOIRUPSURYLGLQJ
KLJKTXDOLW\VROLGVWDWHYRLFHUHSURGXFWLRQ
)($785(6
(DV\WRXVHVLQJOHFKLSYRLFH5HFRUG
3OD\EDFNVROXWLRQ
+LJKTXDOLW\QDWXUDOYRLFHDXGLRUHSURGXFWLRQ
0DQXDOVZLWFKRUPLFURFRQWUROOHUFRPSDWLEOH
3OD\EDFNFDQEHHGJHRUOHYHODFWLYDWHG
6LQJOHFKLSGXUDWLRQVRIDQG
VHFRQGV
'LUHFWO\FDVFDGDEOHIRUORQJHUGXUDWLRQV
$XWRPDWLF3RZHU'RZQ3XVK%XWWRQ0RGH
6WDQGE\FXUUHQW$W\SLFDO
=HURSRZHUPHVVDJHVWRUDJH
(OLPLQDWHVEDWWHU\EDFNXSFLUFXLWV
)XOO\DGGUHVVDEOHWRKDQGOHPXOWLSOH
PHVVDJHV
\HDUPHVVDJHUHWHQWLRQW\SLFDO
,6'3URGXFWV
Single-Chip Voice Record/Playback Devices
60-, 75-, 90-, and 120-Second Durations
3URGXFW'DWD6KHHWV
,6'3URGXFWV
2-118
Voice Solutions in Silicon
TM
'(7$,/(''(6&5,37,21
6SHHFK6RXQG4XDOLW\
7KH ,6' 6HULHV LQFOXGHV GHYLFHV RIIHUHG DW
DQG.+]VDPSOLQJIUHTXHQFLHV
DOORZLQJWKHXVHUDFKRLFHRIVSHHFKTXDOLW\RS
WLRQV,QFUHDVLQJWKHGXUDWLRQZLWKLQDSURGXFWVH
ULHV GHFUHDVHV WKH VDPSOLQJ IUHTXHQF\ DQG
EDQGZLGWKZKLFKDIIHFWVVRXQGTXDOLW\3OHDVHUH
IHUWRWKH,6'3URGXFW6XPPDU\WD
EOHRQWKHSUHYLRXVSDJHWRFRPSDUHILOWHUSDVV
EDQGDQGSURGXFWGXUDWLRQV
7KH VSHHFK VDPSOHV DUH VWRUHGGLUHFWO\ LQWRRQ
FKLS QRQYRODWLOH PHPRU\ ZLWKRXW WKH GLJLWL]DWLRQ
DQGFRPSUHVVLRQDVVRFLDWHGZLWKRWKHUVROXWLRQV
Figure 2-33: ISD2560/75/90/120 Device Block Diagram
.UHFRUGF\FOHVW\SLFDO
2QFKLSFORFNVRXUFH
3URJUDPPHUVXSSRUWIRUSOD\RQO\DSSOLFDWLRQV
6LQJOHYROWSRZHUVXSSO\
$YDLODEOHLQGLHIRUP',362,&DQG7623
SDFNDJLQJ
,QGXVWULDOWHPSHUDWXUHr&WR&
YHUVLRQVDYDLODEOH
'LUHFWDQDORJVWRUDJHSURYLGHVDYHU\WUXHQDWXUDO
VRXQGLQJ UHSURGXFWLRQ RI YRLFH PXVLF WRQHV
DQGVRXQGHIIHFWVQRWDYDLODEOHZLWKPRVWVROLG
VWDWHGLJLWDOVROXWLRQV
'XUDWLRQ
7R PHHW HQG V\VWHP UHTXLUHPHQWV WKH ,6'
6HULHV RIIHUV VLQJOHFKLS VROXWLRQV DW
DQGVHFRQGV3DUWVPD\DOVREHFDVFDGHG
WRJHWKHUIRUORQJHUGXUDWLRQV
((35206WRUDJH
2QHRIWKHEHQHILWVRI,6'nV&KLS&RUGHUWHFKQRORJ\
LVWKHXVHRIRQFKLSQRQYRODWLOHPHPRU\SURYLG
LQJ]HURSRZHUPHVVDJHVWRUDJH7KHPHVVDJHLV
UHWDLQHGIRUXSWR\HDUVW\SLFDOO\ZLWKRXWSRZ
HU ,Q DGGLWLRQ WKH GHYLFH FDQ EH UHUHFRUGHG
W\SLFDOO\RYHUWLPHV
0LFURFRQWUROOHU,QWHUIDFH
,QDGGLWLRQWRLWVVLPSOLFLW\DQGHDVHRIXVHWKH
,6'6HULHVLQFOXGHVDOOWKHLQWHUIDFHVQHFHVVDU\
IRU PLFURFRQWUROOHUGULYHQ DSSOLFDWLRQV 7KH DG
GUHVVDQGFRQWUROOLQHVFDQEHLQWHUIDFHGWRDPL
FURFRQWUROOHU DQG PDQLSXODWHG WR SHUIRUP D
YDULHW\ RI WDVNV LQFOXGLQJ PHVVDJH DVVHPEO\
PHVVDJH FRQFDWHQDWLRQ SUHGHILQHG IL[HG PHV
VDJH VHJPHQWDWLRQ DQG PHVVDJH PDQDJH
PHQW
3URGXFW'DWD6KHHWV
,6'3URGXFWV
2-119
ISD
3URJUDPPLQJ
7KH,6'6HULHVLVDOVRLGHDOIRUSOD\EDFNRQO\
DSSOLFDWLRQVZKHUHVLQJOH RUPXOWLSOH PHVVDJHV
DUHUHIHUHQFHGWKURXJKEXWWRQVVZLWFKHVRUDPL
FURFRQWUROOHU2QFHWKHGHVLUHGPHVVDJHFRQILJ
XUDWLRQ LV FUHDWHG GXSOLFDWHV FDQ HDVLO\ EH
JHQHUDWHGYLDDQ,6'SURJUDPPHU
3,1'(6&5,37,216
9ROWDJH,QSXWV9
&&$
9
&&'
7RPLQLPL]HQRLVHWKHDQDORJDQGGLJLWDOFLUFXLWV
LQWKH,6'6HULHVGHYLFHVXVHVHSDUDWHSRZHU
EXVVHV7KHVHYROWDJHEXVVHVDUHEURXJKWRXWWR
VHSDUDWH SLQV DQG VKRXOG EH WLHG WRJHWKHU DV
FORVHWRWKHVXSSO\DVSRVVLEOH,QDGGLWLRQWKHVH
VXSSOLHV VKRXOG EH GHFRXSOHG DV FORVH WR WKH
SDFNDJHDVSRVVLEOH
*URXQG,QSXWV9
66$
9
66'
7KH,6'6HULHVRIGHYLFHVXWLOL]HVVHSDUDWHDQ
DORJDQGGLJLWDOJURXQGEXVVHV7KHVHSLQVVKRXOG
EHFRQQHFWHGVHSDUDWHO\WKURXJKDORZLPSHG
DQFHSDWKWRSRZHUVXSSO\JURXQG7KHEDFNVLGH
RI WKH GLH LV FRQQHFWHG WR 9
66
WKURXJK WKH VXE
VWUDWH UHVLVWDQFH ,Q D FKLSRQERDUG GHVLJQ WKH
GLHDWWDFKDUHDPXVWEHFRQQHFWHGWR9
66
RUOHIW
IORDWLQJ
3RZHU'RZQ,QSXW3'
:KHQQRWUHFRUGLQJRUSOD\LQJEDFNWKH3'SLQ
VKRXOGEHSXOOHG+,*+WRSODFHWKHSDUWLQDYHU\
ORZSRZHUPRGHVHH,
6%
VSHFLILFDWLRQ :KHQ29)
SXOVHV/2:IRUDQRYHUIORZFRQGLWLRQ3'VKRXOG
EHEURXJKW+,*+WRUHVHWWKHDGGUHVVSRLQWHUEDFN
WRWKHEHJLQQLQJRIWKH5HFRUG3OD\EDFNVSDFH
7KH3'SLQKDVDGGLWLRQDOIXQFWLRQDOLW\LQWKH0
3XVK%XWWRQ 2SHUDWLRQDO0RGHGHVFULEHGODWHULQ
WKH2SHUDWLRQDO0RGHVHFWLRQ
&KLS(QDEOH,QSXW&(
7KH &( SLQ LV WDNHQ /2: WR HQDEOH DOO 3OD\EDFN
DQG 5HFRUG RSHUDWLRQV 7KH DGGUHVV LQSXWV DQG
3OD\EDFN5HFRUG LQSXW 35 DUH ODWFKHG E\ WKH
IDOOLQJHGJHRI&(&(KDVDGGLWLRQDOIXQFWLRQDOLW\
LQ WKH 0 3XVK%XWWRQ 2SHUDWLRQDO 0RGH GH
VFULEHGODWHULQWKH2SHUDWLRQDO0RGHVHFWLRQ
3OD\EDFN5HFRUG,QSXW35
7KH35LQSXWLVODWFKHGE\WKHIDOOLQJHGJHRIWKH
&( SLQ $ +,*+ OHYHO VHOHFWV D 3OD\EDFN F\FOH
ZKLOHD/2:OHYHOVHOHFWVD5HFRUGF\FOH)RUD
5HFRUGF\FOHWKHDGGUHVVLQSXWVSURYLGHWKHVWDUW
LQJ DGGUHVV DQG UHFRUGLQJ FRQWLQXHV XQWLO 3' RU
&(LVSXOOHG+,*+RUDQRYHUIORZLVGHWHFWHGLH
WKHFKLSLVIXOO :KHQD5HFRUGF\FOHLVWHUPLQDWHG
E\ SXOOLQJ 3' RU &( +,*+ DQ (QG2I0HVVDJH
(20 PDUNHU LV VWRUHG DW WKH FXUUHQW DGGUHVV LQ
PHPRU\)RUD3OD\EDFNF\FOHWKHDGGUHVVLQSXWV
SURYLGH WKH VWDUWLQJ DGGUHVV DQG WKH GHYLFH ZLOO
SOD\XQWLODQ(20PDUNHULVHQFRXQWHUHG7KHGH
YLFHFDQFRQWLQXHSDVWDQ(20PDUNHULQDQRS
HUDWLRQDO PRGH RU LI &( LV KHOG /2: LQ DGGUHVV
PRGH 6HH SDJH IRU PRUH 2SHUDWLRQDO
0RGHV
(QG2I0HVVDJH5812XWSXW(20
$QRQYRODWLOHPDUNHULVDXWRPDWLFDOO\LQVHUWHGDW
WKH HQG RIHDFK UHFRUGHG PHVVDJH ,W UHPDLQV
WKHUHXQWLOWKHPHVVDJHLVUHFRUGHGRYHU7KH(20
RXWSXWSXOVHV/2:IRUDSHULRGRI7
(20
DWWKHHQG
RIHDFKPHVVDJH
,QDGGLWLRQWKH,6'6HULHVKDVDQLQWHUQDO9
&&
GHWHFW FLUFXLW WR PDLQWDLQ PHVVDJH LQWHJULW\
VKRXOG9
&&
IDOOEHORZ9,QWKLVFDVH(20JRHV
/2: DQG WKH GHYLFH LV IL[HG LQ 3OD\EDFNRQO\
PRGH
:KHQ WKH GHYLFH LV FRQILJXUHG LQ 2SHUDWLRQDO
0RGH03XVK%XWWRQ0RGH WKLVSLQSURYLGHVDQ
DFWLYH+,*+ 581 VLJQDO LQGLFDWLQJ WKH GHYLFH LV
FXUUHQWO\UHFRUGLQJRUSOD\LQJ7KLVVLJQDOFDQFRQ
YHQLHQWO\GULYHDQ/('IRUDYLVXDOLQGLFDWRURID
5HFRUGRU3OD\EDFNRSHUDWLRQLQSURFHVV
2YHUIORZ2XWSXW29)
7KLV VLJQDO SXOVHV /2: DW WKH HQG RI PHPRU\
VSDFHLQGLFDWLQJWKHGHYLFHKDVEHHQILOOHGDQG
WKH PHVVDJH KDV RYHUIORZHG 7KH 29) RXWSXW
WKHQIROORZVWKH&(LQSXWXQWLOD3'SXOVHKDVUHVHW
WKHGHYLFH7KLVSLQFDQEHXVHGWRFDVFDGHVHY
HUDO,6'GHYLFHVWRJHWKHUWRLQFUHDVH5HFRUG
3OD\EDFNGXUDWLRQV
3URGXFW'DWD6KHHWV
,6'3URGXFWV
2-120
Voice Solutions in Silicon
TM
0LFURSKRQH,QSXW0,&
7KHPLFURSKRQHLQSXWWUDQVIHUVLWVVLJQDOWRWKHRQ
FKLS SUHDPSOLILHU $Q RQFKLS $XWRPDWLF *DLQ
&RQWURO $*& FLUFXLW FRQWUROV WKH JDLQ RI WKLV
SUHDPSOLILHUIURPrWRG%$QH[WHUQDOPLFUR
SKRQHVKRXOGEH$&FRXSOHGWRWKLVSLQYLDDVH
ULHVFDSDFLWRU7KHFDSDFLWRUYDOXHWRJHWKHUZLWK
WKHLQWHUQDO.RKPUHVLVWDQFHRQWKLVSLQGHWHU
PLQHV WKH ORZIUHTXHQF\ FXWRII IRU WKH ,6'
6HULHVSDVVEDQG6HH&KDSWHU$SSOLFDWLRQ,QIRU
PDWLRQIRUDGGLWLRQDOLQIRUPDWLRQRQORZIUHTXHQ
F\FXWRIIFDOFXODWLRQ
0LFURSKRQH5HIHUHQFH,QSXW0,&5()
7KH0,&5()LQSXWLVWKHLQYHUWLQJLQSXWWRWKHPL
FURSKRQHSUHDPSOLILHU7KLVSURYLGHVDQRLVHFDQ
FHOLQJ RU FRPPRQPRGH UHMHFWLRQ LQSXW WR WKH
GHYLFH ZKHQ FRQQHFWHG WR D GLIIHUHQWLDO PLFUR
SKRQH
$XWRPDWLF*DLQ&RQWURO,QSXW$*&
7KH $*& G\QDPLFDOO\ DGMXVWV WKH JDLQ RI WKH
SUHDPSOLILHUWRFRPSHQVDWHIRUWKHZLGHUDQJHRI
PLFURSKRQHLQSXWOHYHOV7KH$*&DOORZVWKHIXOO
UDQJHRIZKLVSHUVWRORXGVRXQGVWREHUHFRUGHG
ZLWKPLQLPDOGLVWRUWLRQ7KHoDWWDFNpWLPHLVGHWHU
PLQHGE\WKHWLPHFRQVWDQWRID.
LQWHUQDOUH
VLVWDQFH DQG DQ H[WHUQDO FDSDFLWRU & RQ WKH
VFKHPDWLFRQSDJH FRQQHFWHGIURPWKH
$*&SLQWR9
66$
DQDORJJURXQG7KHoUHOHDVHpWLPH
LVGHWHUPLQHGE\WKHWLPHFRQVWDQWRIDQH[WHUQDO
UHVLVWRU5 DQGDQH[WHUQDOFDSDFLWRU& FRQ
QHFWHGLQSDUDOOHOEHWZHHQWKH$*&3LQDQG9
66$
DQDORJ JURXQG 1RPLQDO YDOXHV RI .
DQG
)JLYHVDWLVIDFWRU\UHVXOWVLQPRVWFDVHV
$QDORJ2XWSXW$1$287
7KLVSLQSURYLGHVWKHSUHDPSOLILHURXWSXWWRWKHXV
HU7KHYROWDJHJDLQRIWKHSUHDPSOLILHULVGHWHU
PLQHGE\WKHYROWDJHOHYHODWWKH$*&SLQ
Figure 2-34: ISD2560/75/90/120 Device Pinouts
3URGXFW'DWD6KHHWV
,6'3URGXFWV
2-121
ISD
$QDORJ,QSXW$1$,1
7KHDQDORJLQSXWSLQWUDQVIHUVLWVVLJQDOWRWKHFKLS
IRUUHFRUGLQJ)RUPLFURSKRQHLQSXWVWKH$1$287
SLQVKRXOGEHFRQQHFWHGYLDDQH[WHUQDOFDSDFL
WRUWRWKH$1$,1SLQ7KLVFDSDFLWRUYDOXHWRJHWK
HUZLWKWKH.
LQSXWLPSHGDQFHRI$1$,1LV
VHOHFWHGWRJLYHDGGLWLRQDOFXWRIIDWWKHORZIUH
TXHQF\HQGRIWKHYRLFHSDVVEDQG,IWKHGHVLUHG
LQSXWLVGHULYHGIURPDVRXUFHRWKHUWKDQDPLFUR
SKRQHWKHVLJQDOFDQEHIHGFDSDFLWLYHO\FRX
SOHGLQWRWKH$1$,1SLQGLUHFWO\
([WHUQDO&ORFN,QSXW;&/.
7KHH[WHUQDOFORFNLQSXWIRUWKH,6'GHYLFHV
KDVDQLQWHUQDOSXOOGRZQGHYLFH7KHVHGHYLFHV
DUHFRQILJXUHGDWWKHIDFWRU\ZLWKDQLQWHUQDOVDP
SOLQJFORFNIUHTXHQF\FHQWHUHGWRRIVSHFL
ILFDWLRQ 7KH IUHTXHQF\ LV WKHQ PDLQWDLQHG WR D
YDULDWLRQRIRYHUWKHHQWLUHFRPPHUFLDO
WHPSHUDWXUHDQGRSHUDWLQJYROWDJHUDQJHV7KH
LQWHUQDOFORFNKDVDWROHUDQFHRYHUWKHLQ
GXVWULDOWHPSHUDWXUHDQGYROWDJHUDQJH$UHJX
ODWHG SRZHUVXSSO\LVUHFRPPHQGHGIRULQGXVWULDO
WHPSHUDWXUHUDQJHSDUWV,IJUHDWHUSUHFLVLRQLVUH
TXLUHGWKHGHYLFHFDQEH FORFNHGWKURXJKWKH
;&/.SLQDVIROORZV
7KHVHUHFRPPHQGHGFORFNUDWHVVKRXOGQRWEH
YDULHGEHFDXVHWKHDQWLDOLDVLQJDQGVPRRWKLQJILOWHUV
DUHIL[HGDQGDOLDVLQJSUREOHPVFDQRFFXULIWKH
VDPSOHUDWHGLIIHUVIURPWKHRQHUHFRPPHQGHG
7KHGXW\F\FOHRQWKHLQSXWFORFNLVQRWFULWLFDODV
WKH FORFN LV LPPHGLDWHO\ GLYLGHG E\ WZR ,I WKH
;&/. LV QRW XVHG WKLV LQSXW PXVW EH FRQ
QHFWHGWRJURXQG
6SHDNHU2XWSXWV6363
$OOGHYLFHVLQWKH,6'6HULHVLQFOXGHDQRQFKLS
GLIIHUHQWLDOVSHDNHUGULYHUFDSDEOHRIGULYLQJ
PLOOLZDWWV LQWR
IURP $8; ,1 P: IURP
PHPRU\
7KHVSHDNHURXWSXWVDUHKHOGDW9
66$
OHYHOVGXULQJ
UHFRUGDQGSRZHUGRZQ,WLVWKHUHIRUHQRWSRVVL
EOHWRSDUDOOHOVSHDNHURXWSXWVRIPXOWLSOH,6'
GHYLFHVRUWKHRXWSXWVRIRWKHUVSHDNHUGULYHUV
NOTE
&RQQHFWLRQRIVSHDNHURXWSXWVLQSDUDOOHO
PD\FDXVHGDPDJHWRWKHGHYLFH
$VLQJOHRXWSXWPD\EHXVHGDORQHLQFOXGLQJD
FRXSOLQJFDSDFLWRUEHWZHHQWKH63SLQDQGWKH
VSHDNHU 7KHVHRXWSXWVPD\EHXVHGLQGLYLGXDOO\
ZLWKWKHRXWSXWVLJQDOWDNHQIURPHLWKHUSLQ8VLQJ
WKHGLIIHUHQWLDORXWSXWVUHVXOWVLQDLPSURYHPHQW
LQRXWSXWSRZHU
NOTE
1HYHUJURXQGRUGULYHDQXQXVHGVSHDNHU
RXWSXW
$X[LOLDU\,QSXW$8;,1
7KH $X[LOLDU\ ,QSXW LV PXOWLSOH[HG WKURXJK WR WKH
RXWSXWDPSOLILHUDQGVSHDNHURXWSXWSLQVZKHQ&(
LV+,*+35LV+,*+DQG3OD\EDFNLVFXUUHQWO\QRW
DFWLYH RU LI WKH GHYLFH LV LQ 3OD\EDFN RYHUIORZ
:KHQ FDVFDGLQJ PXOWLSOH ,6' GHYLFHV WKH
$8;,1SLQLVXVHGWRFRQQHFWD3OD\EDFNVLJQDO
IURP D IROORZLQJ GHYLFH WR WKH SUHYLRXV RXWSXW
VSHDNHUGULYHUV)RUQRLVHFRQVLGHUDWLRQVLWLVVXJ
JHVWHGWKDWWKHDX[LOLDU\LQSXWQRWEHGULYHQZKHQ
WKHVWRUDJHDUUD\LVDFWLYH
$GGUHVV0RGH,QSXWV$[0[
7KH$GGUHVV0RGH,QSXWVKDYHWZRIXQFWLRQVGH
SHQGLQJRQWKHOHYHORIWKHWZR0RVW6LJQLILFDQW
%LWV06% RIWKHDGGUHVV$DQG $
Table 2-77: External Clock Sample Rates
Part
Number
Sample Rate
Required Clock
,6'
.+]
.+]
,6'
.+]
.+]
,6'
.+]
.+]
,6'
.+]
.+]