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TYPICAL CHARACTERISTICS
0
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60
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80
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120
Magnitude
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dB
f
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Frequency
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MHz
0 5 15 25 3510 20 30 40
SFDR = 92.1dBc
SNR = 74.0dBFS
THD = 88.4dBc
SINAD = 73.9dBFS
0
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20
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40
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60
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80
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100
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120
0 5 15 25 3510 20 30 40
SFDR = 92.0dBc
SNR = 73.6dBFS
THD = 88.2dBc
SINAD = 73.5dBFS
Magnitude
−
dB
f
−
Frequency
−
MHz
0
−
20
−
40
−
60
−
80
−
100
−
120
0 5 15 25 3510 20 30 40
SFDR = 87.5dBc
SNR = 73.6dBFS
THD = 83.4dBc
SINAD = 73.2dBFS
Magnitude
−
dB
f
−
Frequency
−
MHz
0
−
20
−
40
−
60
−
80
−
100
−
120
Magnitude
−
dB
f
−
Frequency
−
MHz
0 5 15 25 3510 20 30 40
SFDR = 89.3dBc
SNR = 73.4dBFS
THD = 86.8dBc
SINAD = 73.2dBFS
0
−
20
−
40
−
60
−
80
−
100
−
120
0 5 15 25 3510 20 30 40
SFDR = 87.2dBc
SNR = 72.8dBFS
THD = 83.4dBc
SINAD = 72.5dBFS
Magnitude
−
dB
f
−
Frequency
−
MHz
0
−
20
−
40
−
60
−
80
−
100
−
120
0 5 15 25 3510 20 30 40
SFDR = 83.9dBc
SNR = 72.7dBFS
THD = 81.5dBc
SINAD = 72.2dBFS
Magnitude
−
dB
f
−
Frequency
−
MHz
ADS5542
SBAS308D – MAY 2004 – REVISED FEBRUARY 2007
Typical values given at T
A
= 25 ° C, AV
DD
= DRV
DD
= 3.3 V, differential input amplitude = –1dBFS, sampling rate = 80 MSPS
and 3-V differential clock, unless otherwise noted
SPECTRAL PERFORMANCE SPECTRAL PERFORMANCE
(FFT for 4 MHz Input Signal) (FFT for 16 MHz Input Signal)
Figure 5. Figure 6.
SPECTRAL PERFORMANCE SPECTRAL PERFORMANCE
(FFT for 55 MHz Input Signal) (FFT for 70 MHz Input Signal)
Figure 7. Figure 8.
SPECTRAL PERFORMANCE SPECTRAL PERFORMANCE
(FFT for 100 MHz Input Signal) (FFT for 125 MHz Input Signal)
Figure 9. Figure 10.
13
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