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产品 预告(展)
TYPICALCHARACTERISTICS
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40 50 60 70 80 90 100 110 120
f − 频率 − mhz
振幅 − db
sfdr = 83.5 dbc
snr = 69.2 dbc
thd = 81.9 dbc
sinad = 69 dbc
f − 频率 − mhz
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40 50 60 70 80 90 100 110 120
sfdr = 70.8 dbc
snr = 68.8 dbc
thd = 69.5 dbc
sinad = 66.2 dbc
振幅 − db
f − 频率 − mhz
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40 50 60 70 80 90 100 110 120
振幅 − db
sfdr = 78.4 dbc
snr = 67.5 dbc
thd = 77.6 dbc
sinad = 67.1 dbc
f − 频率 − mhz
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40 50 60 70 80 90 100 110 120
sfdr = 69.9 dbc
snr = 66.8 dbc
thd = 69.4 dbc
sinad = 64.9 dbc
振幅 − db
ADS5444
SLWS162–AUGUST2005
T
一个
=25
°
c,av
DD
=5v,drv
DD
=3.3v,differentialinputamplitude=-1dbfs,samplingrate=250msps,3v
PP
sinusoidal
时钟,50%dutycycle,unlessotherwisenoted
SpectralPerformanceSpectralPerformance
(fftfor10-mhzinputsignal)(fftfor100-mhzinputsignal)
figure2.figure3.
SpectralPerformanceSpectralPerformance
(fftfor230-mhzinputsignal)(fftfor300-mhzinputsignal)
figure4.figure5.
9

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www.德州仪器.com 产品预告(展) TYPICALCHARACTERISTICS −120 −100 −80 −60 −40 −20 0 0 10 20 30 40 50 60 70 80 90 100 110 120 f − 频率 − mhz 振幅 − db sfdr = 83.5 dbc snr = 69.2 dbc thd = 81.9 dbc sinad = 69 dbc f − 频率 − mhz −120 −100 −80 −60 −40 −20 0 0 10 20 30 40 50 60 70 80 90 100 110 120 sfdr = 70.8 dbc snr = 68.8 dbc thd = 69.5 dbc sinad = 66.2 dbc 振幅 − db f − 频率 − mhz −120 −100 −80 −60 −40 −20 0 0 10 20 30 40 50 60 70 80 90 100 110 120 振幅 − db sfdr = 78.4 dbc snr = 67.5 dbc thd = 77.6 dbc sinad = 67.1 dbc f − 频率 − mhz −120 −100 −80 −60 −40 −20 0 0 10 20 30 40 50 60 70 80 90 100 110 120 sfdr = 69.9 dbc snr = 66.8 dbc thd = 69.4 dbc sinad = 64.9 dbc 振幅 − db ADS5444 SLWS162–AUGUST2005 T 一个 =25 ° c,av DD =5v,drv DD =3.3v,differentialinputamplitude=-1dbfs,samplingrate=250msps,3v PP sinusoidal 时钟,50%dutycycle,unlessotherwisenoted SpectralPerformanceSpectralPerformance (fftfor10-mhzinputsignal)(fftfor100-mhzinputsignal) figure2.figure3. SpectralPerformanceSpectralPerformance (fftfor230-mhzinputsignal)(fftfor300-mhzinputsignal) figure4.figure5. 9

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