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ABSOLUTEMAXIMUMRATINGS
THERMALCHARACTERISTICS
(1)
DAC5687
SLWS164B–FEBRUARY2005–REVISEDJUNE2005
terminalfunctions(持续)
终端
i/odescription
nameno.
txenablehastwopurposes.inallmodes,txenablemustbehighforthedatatothedacto
beenabled.whentxenableislow,thedigitallogicsectionisforcedtoall0,andanyinputdata
presentedtoda[15:0]anddb[15:0]isignored.ininterleaveddatamode,whentheqflagregister
TXENABLE33I
bitiscleared,txenableisusedtosynchronizesthedatatochannelsaandb.thefirstdata
aftertherisingedgeoftxenableistreatedasadata,whilethenextdataistreatedasbdata,
andsoon.
TESTMODE97ITESTMODEisDGNDfortheuser
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
(1)
单位
AVDD
(2)
–0.5vto4v
DVDD
(3)
–0.5vto2.3v
SupplyvoltagerangeCLKVDD
(2)
–0.5vto4v
IOVDD
(2)
–0.5vto4v
PLLVDD
(2)
–0.5vto4v
voltagebetweenagnd,dgnd,clkgnd,pllgnd,andiognd–0.5vto0.5v
avddtodvdd–0.5vto2.6v
da[15..0]
(4)
–0.5vtoiovdd+0.5v
db[15..0]
(4)
–0.5vtoiovdd+0.5v
睡眠
(4)
–0.5vtoiovdd+0.5v
clk1/2,clk1/2c
(3)
–0.5vtoclkvdd+0.5v
Supplyvoltagerange
RESETB
(4)
–0.5vtoiovdd+0.5v
LPF
(4)
–0.5vtopllvdd+0.5v
iout1,iout2
(2)
–1.0vtoavdd+0.5v
extio,biasj
(2)
–0.5vtoavdd+0.5v
EXTLO
(2)
–0.5vtoiavdd+0.5v
peakinputcurrent(anyinput)20ma
peaktotalinputcurrent(allinputs)30ma
T
一个
operatingfree-airtemperaturerange(dac5687i)–40°cto85°c
T
stg
Storagetemperaturerange–65°Cto150°C
leadtemperature1,6mm(1/16inch)fromthecasefor10seconds260°c
(1)stressesbeyondthoselistedunder
absolutemaximumratings
maycausepermanentdamagetothedevice.thesearestressratings
仅有的,andfunctionaloperationoftheseoranyotherconditionsbeyondthoseindicatedunder
recommendedoperatingconditions
isnot
暗指.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)measuredwithrespecttoagnd.
(3)measuredwithrespecttodgnd.
(4)measuredwithrespecttoiognd.
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
ThermalConductivity100HTQFPUNIT
T
J
Junctiontemperature
(2)
105°C
thetajunction-至-包围的(stillair)19.88°c/w
θ
JA
thetajunction-至-包围的(150lfm)14.37°c/w
θ
JC
thetajunction-至-case0.12°c/w
(1)airfloworheatsinkingreduces
θ
JA
andishighlyrecommended.
(2)airfloworheatsinkingrequiredforsustainedoperationat85
°
candmaximumoperatingconditionstomaintainjunctiontemperature.
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