AD9268 データシートの表示（PDF） - Analog Devices
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AD9268 Datasheet PDF : 44 Pages
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AD9268
ADC AC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, DCS enabled, unless
otherwise noted.
Table 2.
Parameter1
SIGNAL-TO-NOISE RATIO (SNR)
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 200 MHz
SIGNAL-TO-NOISE-AND-DISTORTION (SINAD)
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 200 MHz
EFFECTIVE NUMBER OF BITS (ENOB)
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 200 MHz
WORST SECOND OR THIRD HARMONIC
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 200 MHz
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 200 MHz
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
Without Dither (AIN@ −23 dBFS)
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 200 MHz
With On-Chip Dither (AIN @ −23 dBFS)
fIN = 2.4 MHz
fIN = 70 MHz
fIN = 140 MHz
fIN = 200 MHz
Temp
25°C
25°C
Full
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
Full
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
AD9268BCPZ-80
Min Typ Max
79.7
78.3 79.0
78.0
77.4
75.5
79.4
78.1 78.5
77.7
75.4
74.3
12.9
12.8
12.2
12.0
−92
−91 −88
−87
−80
−82
92
88 91
87
80
82
93
95
98
102
107
107
106
104
AD9268BCPZ-105 AD9268BCPZ-125
Min Typ Max Min Typ Max Unit
78.9
77.2 78.8
77.1
76.9
75.0
78.8
77.2 78.2
76.5
77.1
75.5
dBFS
dBFS
dBFS
dBFS
dBFS
78.3
77.1 78.6
76.8
75.9
72.2
78.3
76.8 77.7
76.2
75.8
74.0
dBFS
dBFS
dBFS
dBFS
dBFS
12.7
12.7
Bits
12.7
12.6
Bits
12.3
12.3
Bits
11.7
12.0
Bits
−87
−93 −87
−87
−84
−77
−90
dBc
−88 −85 dBc
−84 dBc
−83
dBc
−79
dBc
87
90
dBc
87 93
85 88
dBc
87
84
dBc
84
83
dBc
77
79
dBc
100
88
dBFS
96
89
dBFS
96
90
dBFS
100
89
dBFS
106
106
dBFS
109
106
dBFS
104
104
dBFS
108
105
dBFS
Rev. A | Page 6 of 44
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