TYPICAL CHARACTERISTICS: AVDD = 3.3V
TMIN = –40°C, TMAX = +85°C, typical values are at TA = +25°C, sampling rate = 40MSPS, 50% clock duty cycle, AVDD = 3.3V, DVDD = 3.3V, VDRV = 2.5V, –1dBFS,
DCA off, internal reference voltage, and 2VPP differential input, unless otherwise noted.
SPECTRAL PERFORMANCE
(Differential, 2VPP
SPECTRAL PERFORMANCE
(Differential, 2VPP
)
)
0
−20
0
−20
fIN = 2.4MHz (−1dBFS)
SFDR = 88.2dBFS
SNR = 70.0dBFS
fIN = 9.7MHz (−1dBFS)
SFDR = 88.4dBFS
SNR = 69.8dBFS
SINAD = 69.9dBFS
SINAD = 69.7dBFS
−40
−40
−60
−60
−80
−80
−100
−120
−100
−120
0
0
0
2
2
2
4
4
4
6
8
10
12
14
16
18
20
20
20
0
0
0
2
2
2
4
4
4
6
8
10
Frequency (MHz)
12
14
16
18
20
20
20
Frequency (MHz)
SPECTRAL PERFORMANCE
EXTERNAL REFERENCE
SPECTRAL PERFORMANCE
PROGRAMMED REFERENCE
(Differential, 2VPP
)
(Differential, 1.5VPP)
0
−20
0
−20
fIN = 9.7MHz (−1dBFS)
SFDR = 88.7dBFS
SNR = 69.3dBFS
fIN = 2.4MHz (−1dBFS)
SFDR = 88.8dBFS
SNR = 70.0dBFS
SINAD = 69.1dBFS
SINAD = 70.0dBFS
−40
−40
−60
−60
−80
−80
−100
−120
−100
−120
6
8
10
12
14
16
18
6
8
10
12
14
16
18
Frequency (MHz)
Frequency (MHz)
SPECTRAL PERFORMANCE
(Differential, 1VPP
SPECTRAL PERFORMANCE
(Single-Ended, 1VPP
)
)
0
−20
0
−20
fIN = 9.7MHz (−1dBFS)
SFDR = 84.9dBFS
SNR = 67.4dBFS
fIN = 9.7MHz (−1dBFS)
SFDR = 84.0dBFS
SNR = 67.1dBFS
SINAD = 67.3dBFS
SINAD = 66.9dBFS
−40
−40
−60
−60
−80
−80
−100
−120
−100
−120
6
8
10
12
14
16
18
6
8
10
12
14
16
18
Frequency (MHz)
Frequency (MHz)
ADS5220
6
SBAS261A
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