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AD9680 Datasheet(PDF) 9 Page - Analog Devices

Part # AD9680
Description  Dual Analog-to-Digital Converter
PDF  99 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9680 Datasheet(HTML) 9 Page - Analog Devices

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Data Sheet
AD9680
Rev. C | Page 7 of 97
AD9680-500
AD9680-820
AD9680-1000
AD9680-1250
Parameter1
Temp
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
SPURIOUS-FREE DYNAMIC
RANGE (SFDR)3
fIN = 10 MHz
25°C
83
91
88
84
dBFS
fIN = 170 MHz
Full
80
88
75
83
75
85
74
77
dBFS
fIN = 340 MHz
25°C
83
81
85
78
dBFS
fIN = 450 MHz
25°C
81
78
82
76
dBFS
fIN = 765 MHz
25°C
80
78
82
77
dBFS
fIN = 985 MHz
25°C
75
74
80
71
dBFS
fIN = 1950 MHz
25°C
70
70
68
61
dBFS
WORST HARMONIC,
SECOND OR THIRD3
fIN = 10 MHz
25°C
−83
−91
−88
−84
dBFS
fIN = 170 MHz
Full
−88
−80
−83
−75
−85
−75
−77
−74
dBFS
fIN = 340 MHz
25°C
−83
−81
−85
−78
dBFS
fIN = 450 MHz
25°C
−81
−78
−82
−76
dBFS
fIN = 765 MHz
25°C
−80
−78
−82
−77
dBFS
fIN = 985 MHz
25°C
−75
−74
−80
−71
dBFS
fIN = 1950 MHz
25°C
−70
−70
−68
−61
dBFS
WORST OTHER, EXCLUDING
SECOND OR THIRD
HARMONIC3
fIN = 10 MHz
25°C
−95
−97
−95
−87
dBFS
fIN = 170 MHz
Full
−95
−82
−93
−80
−94
−81
−79
−74
dBFS
fIN = 340 MHz
25°C
−93
−91
−88
−81
dBFS
fIN = 450 MHz
25°C
−93
−90
−86
−79
dBFS
fIN = 765 MHz
25°C
−88
−83
−81
−79
dBFS
fIN = 985 MHz
25°C
−89
−84
−82
−77
dBFS
fIN = 1950 MHz
25°C
−84
−74
−75
−69
dBFS
TWO-TONE
INTERMODULATION
DISTORTION (IMD),
AIN1 AND AIN2 = −7 dBFS
fIN1 = 185 MHz,
fIN2 = 188 MHz
25°C
−88
−90
−87
−82
dBFS
fIN1 = 338 MHz,
fIN2 = 341 MHz
25°C
−88
−87
−88
−784
dBFS
CROSSTALK5
25°C
95
95
95
95
dB
FULL POWER BANDWIDTH6
25°C
2
2
2
2
GHz
1
See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for definitions and for details on how these tests were completed.
2
Noise density is measured at a low analog input frequency (30 MHz).
3
See Table 10 for the recommended settings for full-scale voltage and buffer current settings.
4
Measurement taken with 449 MHz and 452 MHz inputs for two-tone.
5
Crosstalk is measured at 170 MHz with a −1.0 dBFS analog input on one channel and no input on the adjacent channel.
6
Measured with the circuit shown in Figure 115.



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