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EVMOperation
Table7.JumperSettingsandFunctions(continued)
ReferenceJumperSetting
(1)
Function
RSTpinissethighthroughpull-upresistorR4.RSTcanbedrivenbyGPIO5,J2-19.
JMP4
RSTpinissetlow.
DisconnectsV
REF
HtotheinvertinginputoftheopampU2.
JMP5
ConnectsV
REF
HtotheinvertinginputoftheopampU2.
DisconnectstheinvertinginputoftheopampU2fromthegainresistor,R9.
JMP6
ConnectstheinvertinginputoftheopampU2fromthegainresistor,R9foroutputgainof
2.
+5VanalogsupplyisselectedforAV
DD
.
JMP7
+3.3VanalogsupplyisselectedforAV
DD
.
Routestheadjustable,buffered,onboard+5VreferencetotheV
REF
Hinputofthe
DAC8555.
JMP8
Routestheuser-suppliedreferencefromTP2orJ4-20totheV
REF
Hinputofthe
DAC8555.
V
REF
ListiedtoAGND.
JMP9
Routestheuser-suppliednegativereferencefromTP3orJ4-18totheV
REF
Linputofthe
DAC8555.Thisvoltageshouldbewithintherangeof0VtoV
REF
H.
NegativesupplyrailoftheopampU2ispoweredbyV
SS
forbipolaroperation.
JMP10
NegativesupplyrailoftheopampU2istiedtoAGNDforunipolaroperation.
RoutesV
OUT
AtoJ4-2.
JMP11
RoutesV
OUT
AtoJ4-10.
20DAC8555EVMUser'sGuideSLAU204–December2006
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