TYPICAL CHARACTERISTICS
TA = 25°C, +VSA = +VSD = +5V, differential input range = 1.5V to 3.5V each input (4Vp-p), sampling rate = 40MSPS, internal reference, and VDRV = 3V, unless otherwise
noted.
SPECTRAL PERFORMANCE
IN = 1MHz, –1dBFS
SPECTRAL PERFORMANCE
IN = 10MHz, –1dBFS
0
–20
0
–20
F
F
SFDR = 88.4dBFS
SNR = 76.2dBFS
SFDR = 85dBFS
SNR = 74.5dBFS
–40
–40
–60
–60
–80
–80
–100
–120
–100
–120
0
4
8
12
16
20
0
4
8
12
16
20
Frequency (MHz)
Frequency (MHz)
SPECTRAL PERFORMANCE
SPECTRAL PERFORMANCE
0
–20
0
–20
FIN = 15MHz, –1dBFS
SFDR = 84.9dBFS
SNR = 72.7dBFS
FIN = 15MHz, –3dBFS
SFDR = 87.9dBFS
SNR = 73.6dBFS
–40
–40
–60
–60
–80
–80
–100
–120
–100
–120
0
4
8
12
16
20
0
4
8
12
16
20
Frequency (MHz)
Frequency (MHz)
SPECTRAL PERFORMANCE
2-TONE INTERMODULATION
0
–20
0
–20
FIN = 15MHz, –6dBFS
F1 (–7dBc) = 14.5MHz
SFDR = 85.3dBFS
SNR = 74.6dBFS
F2 (–7dBc) = 15.5MHz
SFDR = –90dB
–40
–40
–60
–60
–80
–80
–100
–120
–100
–120
0
4
8
12
16
20
0
4
8
12
16
20
Frequency (MHz)
Frequency (MHz)
ADS5421
6
SBAS237D
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