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PRESET
CTRL0
CTRL1
TLV5608
TLV5610
TLV5629
SLAS268E–MAY2000–REVISEDMARCH2004
TheoutputsofallDACchannelscanbedriventoapredefinedvaluestoredinthePresetregisterbydrivingthe
preinputlow.thepreinputisasynchronoustotheclock.
D11D10D9D8D7D6D5D4D3D2D1D0
XXXXXXXPDDOXXIM
pd:fulldevicepowerdown0=normal1=powerdown
做:digitaloutputenable0=disable1=使能
im:inputmode0=straightbinary1=twoscomplement
x:保留
ifdoutisenabled,thedatainputondinisoutputondoutwitha16-cycledelay.thatmakesitpossibleto
daisy-chainmultipledacsononeserialbus.
D11D10D9D8D7D6D5D4D3D2D1D0
XXXXP
GH
P
EF
P
CD
P
AB
S
GH
S
EF
S
CD
S
AB
P
XY
:powerdowndac
XY
0=normal1=powerdown
S
XY
:speeddac
XY
0=slow1=fast
xy:dacpairab,cd,ef,orgh
inpower-downmode,theamplifiersoftheselecteddacpairwithinthedevicearedisabledandthetotalpower
consumptionofthedeviceissignificantlyreduced.电源-downmodeofaspecificdacpaircanbeselectedby
settingthepxybitwithinthedatawordto1.
therearetwosettlingtimemodes:fastandslow.fastmodeofadacpairisselectedbysettings
XY
to1and
slowmodeisselectedbysettingS
XY
to0.
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