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AD9250 Datasheet PDF : 45 Pages
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AD9250
Data Sheet
ADC AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, DVDD = 1.8 V, maximum sample rate for speed grade, VIN = −1.0 dBFS differential input, 1.75 V p-p
full-scale input range, link parameters used were M = 2 and L = 2, unless otherwise noted.
Table 2.
Parameter1
SIGNAL-TO-NOISE-RATIO (SNR)
fIN = 30 MHz
fIN = 90 MHz
fIN = 140 MHz
fIN = 185 MHz
fIN = 220 MHz
SIGNAL-TO-NOISE AND DISTORTION (SINAD)
fIN = 30 MHz
fIN = 90 MHz
fIN = 140 MHz
fIN = 185 MHz
fIN = 220 MHz
EFFECTIVE NUMBER OF BITS (ENOB)
fIN = 30 MHz
fIN = 90 MHz
fIN = 140 MHz
fIN = 185 MHz
fIN = 220 MHz
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fIN = 30 MHz
fIN = 90 MHz
fIN = 140 MHz
fIN = 185 MHz
fIN = 220 MHz
WORST SECOND OR THIRD HARMONIC
fIN = 30 MHz
fIN = 90 MHz
fIN = 140 MHz
fIN = 185 MHz
fIN = 220 MHz
WORST OTHER (HARMONIC OR SPUR)
fIN = 30 MHz
fIN = 90 MHz
fIN = 140 MHz
fIN = 185 MHz
fIN = 220 MHz
Temperature
AD9250-170
AD9250-250
Min Typ Max Min Typ Max Unit
25°C
72.5
72.1
dBFS
25°C
72.0
71.7
dBFS
Full
70.7
dBFS
25°C
71.4
71.2
dBFS
25°C
70.7
70.6
dBFS
Full
69.3
dBFS
25°C
70.1
70.0
dBFS
25°C
71.3
70.7
dBFS
25°C
70.9
70.5
dBFS
Full
69.6
dBFS
25°C
70.3
70.0
dBFS
25°C
69.6
69.5
dBFS
Full
68.0
dBFS
25°C
68.9
68.8
dBFS
25°C
11.5
11.5
Bits
25°C
11.4
11.4
Bits
25°C
11.3
11.3
Bits
25°C
11.1
11.2
Bits
25°C
10.9
11.0
Bits
25°C
92
89
dBc
25°C
95
86
dBc
Full
78
dBc
25°C
91
86
dBc
25°C
86
88
dBc
Full
80
dBc
25°C
85
88
dBc
25°C
−92
−89
dBc
25°C
−95
−87
dBc
Full
−78
dBc
25°C
−91
−86
dBc
25°C
−86
−88
dBc
Full
−80 dBc
25°C
−85
−88
dBc
25°C
−95
−94
dBc
25°C
−94
−96
dBc
Full
−78
dBc
25°C
−97
−96
dBc
25°C
−96
−88
dBc
Full
−80 dBc
25°C
−93
−91
dBc
Rev. E | Page 6 of 45
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