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ABSOLUTEMAXIMUMRATINGS
ELECTRICALCHARACTERISTICS
DAC5652
SLAS452A–MARCH2005–REVISEDFEBRUARY2006
overT
一个
(unlessotherwisenoted)
(1)
单位
SupplyvoltagerangeAVDD
(2)
–0.5vto4v
DVDD
(3)
–0.5vto4v
voltagebetweenagndanddgnd–0.5vto0.5v
voltagebetweenavddanddvdd–0.5vto0.5v
supplyvoltagerangeda[9:0]anddb[9:0]
(3)
–0.5vtodvdd+0.5v
模式,clka,clkb,wrta,wrtb
(3)
–0.5vtodvdd+0.5v
iouta1,iouta2,ioutb1,ioutb2
(2)
–1.0vtoavdd+0.5v
extio,biasj_一个,biasj_b,睡眠
(2)
–0.5vtoavdd+0.5v
peakinputcurrent(anyinput)+20ma
peaktotalinputcurrent(allinputs)–30ma
operatingfree-airtemperaturerange–40°cto85°c
Storagetemperaturerange–65°Cto150°C
leadtemperature1,6mm(1/16inch)fromthecasefor10seconds260°c
(1)stressesbeyondthoselistedunder“absolutemaximumratings”maycausepermanentdamagetothedevice.thesearestressratings
onlyandfunctionaloperationoftheseoranyotherconditionsbeyondthoseindicatedunder“recommendedoperatingconditions”isnot
暗指.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)measuredwithrespecttoagnd.
(3)measuredwithrespecttodgnd.
overT
一个
,avdd=dvdd=3.3v,i
OUTFS
=20ma,independentgainsetmode(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
DCSpecifications
Resolution10Bits
DCAccuracy
(1)
INLIntegralnonlinearity1LSB=I
OUTFS
/2
10
,t
最小值
toT
最大值
–1±0.251lsb
dnldifferentialnonlinearity–0.5±0.160.5lsb
AnalogOutput
offseterrormidscalevalue(internalreference)±0.05%fsr
offsetmismatchmidscalevalue(internalreference)±0.03%fsr
gainerrorwithinternalreference±0.75%fsr
minimumfull-scaleoutputcurrent
(2)
2mA
maximumfull-scaleoutputcurrent
(2)
20mA
gainmismatchwithinternalreference–20.22%fsr
Outputvoltagecompliancerange
(3)
–11.25v
R
O
Outputresistance300k
Ω
C
O
Outputcapacitance5pF
ReferenceOutput
referencevoltage1.141.21.26v
Referenceoutputcurrent
(4)
100nA
(1)measureddifferentiallythrough50
Ω
toagnd.
(2)nominalfull-scalecurrent,i
OUTFS
,equals32xthei
偏差
电流.
(3)thelowerlimitoftheoutputcomplianceisdeterminedbythecmosprocess.exceedingthislimitmayresultintransistorbreakdown,
resultinginreducedreliabilityofthedac5652device.theupperlimitoftheoutputcomplianceisdeterminedbytheloadresistorsand
全部-scaleoutputcurrent.exceedingtheupperlimitadverselyaffectsdistortionperformanceandintegralnonlinearity.
(4)useanexternalbufferamplifierwithhigh-impedanceinputtodriveanyexternalload.
4
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