AD9258 查看數據表（PDF） - Analog Devices
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AD9258 Datasheet PDF : 44 Pages
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AD9258
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
AD9258BCPZ-80
Min Typ Max
79.0
77.7 78.3
77.4
77.0
75.3
78.7
77.5 78.0
77.2
75.1
74.2
12.8
12.7
12.2
12.0
−92
−91 −87
−87
−80
−82
92
87 91
87
80
82
93
95
98
102
107
106
106
105
AD9258BCPZ-105
Min Typ Max
78.4
77.3 78.2
76.9
76.6
74.9
77.8
77.1 78.0
76.7
75.6
72.1
12.6
12.6
12.3
11.7
−87
−92 −87
−87
−84
−76
87
87 92
87
84
76
100
96
96
100
106
107
105
106
AD9258BCPZ-125
Min Typ Max
77.7
76.8 77.6
76.0
76.6
75.1
77.3
76.5 77.0
75.7
75.3
73.6
12.5
12.5
12.2
11.9
−90
−88 −83
−83
−83
−79
90
83 88
83
83
79
88
89
90
89
107
106
103
105
Unit
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Bits
Bits
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
Rev. A | Page 6 of 44
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