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ABSOLUTEMAXIMUMRATINGS
RECOMMENDEDOPERATINGCONDITIONS
ELECTRICALCHARACTERISTICS
PCM1680
SLES133–MARCH2005
thisintegratedcircuitcanbedamagedbyesd.texasinstrumentsrecommendsthatallintegratedcircuitsbehandledwith
appropriateprecautions.failuretoobserveproperhandlingandinstallationprocedurescancausedamage.esddamagecan
rangefromsubtleperformancedegradationtocompletedevicefailure.precisionintegratedcircuitsmaybemoresusceptibleto
damagebecauseverysmallparametricchangescouldcausethedevicenottomeetitspublishedspecifications.
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
(1)
PCM1680
supplyvoltage:v
CC
1,v
CC
2,v
DD
–0.3vto6.5v
supplyvoltagedifferences:v
CC
1,v
CC
2,v
DD
±
0.1v
groundvoltagedifferences:agnd1,agnd2,dgnd
±
0.1v
inputvoltagetodigitalpins–0.3vtov
DD
+0.3v,<6.5v
inputvoltagetoanalogpins–0.3vtov
CC
+0.3v,<6.5v
inputcurrent(anypinsexceptsupplies)
±
10mA
Operatingtemperature–40
°
Cto110
°
C
Storagetemperature–55
°
Cto150
°
C
Junctiontemperature150
°
C
leadtemperature(焊接)260
°
c,5s
packagetemperature(irreflow,顶峰)260
°
C
(1)stressesbeyondthoselistedunder"absolutemaximumratings"maycausepermanentdamagetothedevice.thesearestressratings
仅有的,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder"recommendedoperating
情况"isnotimplied.exposuretoabsolute-最大-ratedconditionsforextendedperiodsmayaffectdevicereliability.
overoperatingfree-airtemperaturerange
MINNOMMAXUNIT
analogsupplyvoltage,v
CC
1,v
CC
24.7555.25v
digitalsupplyvoltage,v
DD
4.7555.25v
DigitalinputlogicfamilyTTL
systemclock8.19236.864mhz
Digitalinputclockfrequency
Samplingclock32192kHz
Analogoutputloadresistance5k
Ω
Analogoutputloadcapacitance50pF
Digitaloutputloadcapacitance20pF
operatingfree-airtemperature,t
一个
–2570
°
C
allspecificationsatT
一个
=25
°
c,v
CC
=V
DD
=5v,f
S
=48khz,systemclock=512f
S
,and24-bitdata,unlessotherwisenoted
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
决议
24Bits
DATAFORMAT
audiodatainterfaceformatright-justified,i
2
s,left-justified
audiodatabitlength16,18,20,or24bits,可选择的
audiodataformatmsb-第一,2scomplement
f
S
Samplingfrequency5200kHz
systemclockfrequency128,192,256,384,
512,768,1152f
S
2
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