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DACCHANNELCHARACTERISTICS
OUTPUTAMPLIFIERCHARACTERISTICS
BIASAMPLIFIERCHARACTERISTICS
电源-supplyrejection
(1)
tlv320aic20,tlv320aic21
tlv320aic24,tlv320aic25
tlv320aic20k,tlv320aic24k
SLAS363D–MARCH2002–REVISEDAPRIL2005
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
DynamicrangeV
I
=0dBat1020Hz92dB
Interchannelisolation90dB
E
G
gainerror,0dbv
O
=0dbat1020hz-0.7db
MuteattenuationPGA=Mute90dB
一般-modevoltage1.35v
idlechannelnarrowbandnoise0-4khz
(1)
40Vrms
outputoffsetvoltageatoutp1_150
V
OO
DIN=Allzeros±8V
(差别的)
V
O
analogoutputvoltage,(3.3v)hdso+0.352.35v
iir5/f
s
s
Channeldelay
fir18/f
s
s
(1)theconversionrateis8khz.
aic20/21/24/25/20k/24k
PARAMETERTESTCONDITIONS
MINTYPMAXUNIT
SPEAKERINTERFACE
(1)
Speakeroutputpower250mW
V
CC
=3.3v,全部地
差别的,8-
Ω
加载
Maximumoutputcurrent250mA
HANDSETANDHEADSETINTERFACE
Speakeroutputpower13mW
V
CC
=3.3v,全部地
差别的,150-
Ω
加载
Maximumoutputcurrent13mA
LINEINTERFACE
speakeroutputpower3.5mw
V
CC
=3.3v,全部地
差别的,600-
Ω
加载
maximumoutputcurrent3.5ma
(1)thespeakerdriverisvalidonlyfortheaic20/21/20k.
aic20/21/24/25/20k/24k
PARAMETERTESTCONDITIONS
MINTYPMAXUNIT
V
O
outputvoltage1.35/2.35v
Integratednoise300Hz–13KHz20µV
V
S
Offsetvoltage10mV
Currentdrive5mA
Unitygainbandwith1MHz
DCgain90dB
PSRR70dB
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
供应-voltagerejectionratio,analogsupply
AV
DD
Differential75
(fj=0tof
s
/2)
(1)powersupplyrejectionmeasurementsaremadewithboththeadcandthedacchannelsidleanda200mvpeak-至-peaksignal
appliedtotheappropriatesupply.
9
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