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AD9655 Datasheet(PDF) 7 Page - Analog Devices

Part # AD9655
Description  Dual, 16-Bit, 125 MSPS Serial LVDS, 1.8 V Analog-to-Digital Converter
PDF  38 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9655 Datasheet(HTML) 7 Page - Analog Devices

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AD9655
Data Sheet
AVDD = 1.8 V, DRVDD = 1.8 V, 2.8 V p-p full-scale differential input mode, VREF = 1.4 V, AIN = −1.0 dBFS, 125 MSPS, unless otherwise noted.
Table 4.
Parameter1
Temperature
Min
Typ
Max
Unit
SIGNAL-TO-NOISE RATIO (SNR)
fIN = 9.7 MHz
25°C
79.6
dBFS
fIN = 19.7 MHz
25°C
79.4
dBFS
fIN = 69.5 MHz
Full
78.0
79.3
dBFS
fIN = 100.5 MHz
25°C
78.0
dBFS
fIN = 139.5 MHz
25°C
76.5
dBFS
fIN = 301 MHz
25°C
55.0
dBFS
SIGNAL-TO-NOISE-AND-DISTORTION RATIO (SINAD)
fIN = 9.7 MHz
25°C
79.1
dBFS
fIN = 19.7 MHz
25°C
78.3
dBFS
fIN = 69.5 MHz
Full
77.2
77.8
dBFS
fIN = 100.5 MHz
25°C
77.0
dBFS
fIN = 139.5 MHz
25°C
75.8
dBFS
fIN = 301 MHz
25°C
54.8
dBFS
EFFECTIVE NUMBER OF BITS (ENOB)
fIN = 9.7 MHz
25°C
12.8
Bits
fIN = 19.7 MHz
25°C
12.7
Bits
fIN = 69.5 MHz
Full
12.5
12.6
Bits
fIN = 100.5 MHz
25°C
12.5
Bits
fIN = 139.5 MHz
25°C
12.3
Bits
fIN = 301 MHz
25°C
8.8
Bits
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
fIN = 9.7 MHz
25°C
88
dBc
fIN = 19.7 MHz
25°C
85
dBc
fIN = 69.5 MHz
Full
80
84
dBc
fIN = 100.5 MHz
25°C
83
dBc
fIN = 139.5 MHz
25°C
82
dBc
fIN = 301 MHz
25°C
68
dBc
WORST HARMONIC (SECOND OR THIRD)
fIN = 9.7 MHz
25°C
−88
dBc
fIN = 19.7 MHz
25°C
−85
dBc
fIN = 69.5 MHz
Full
−84
−80
dBc
fIN = 100.5 MHz
25°C
−83
dBc
fIN = 139.5 MHz
25°C
−82
dBc
fIN = 301 MHz
25°C
−68
dBc
WORST OTHER (EXCLUDING SECOND OR THIRD HARMONIC)
fIN = 9.7 MHz
25°C
−97
dBc
fIN = 19.7 MHz
25°C
−98
dBc
fIN = 69.5 MHz
Full
−93
−85
dBc
fIN = 100.5 MHz
25°C
−91
dBc
fIN = 139.5 MHz
25°C
−89
dBc
fIN = 301 MHz
25°C
−72
dBc
TWO-TONE INTERMODULATION DISTORTION (IMD)—AIN1 AND AIN2 = −7.0 dBFS
fIN1 = 100.1 MHz, fIN2 = 102.1 MHz
25°C
85
dBc
CROSSTALK2
25°C
−104
dB
CROSSTALK (OVERRANGE CONDITION)3
25°C
−103
dB
ANALOG INPUT BANDWIDTH, FULL POWER
25°C
500
MHz
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
Crosstalk is measured at 69.5 MHz with −1.0 dBFS analog input on one channel and no input on the adjacent channel. Measurements are taken using a less dense
board to demonstrate AD9655 crosstalk performance, not board limitations.
3
Overrange condition is specified as being 3 dB above the full-scale input range.
Rev. 0 | Page 6 of 37



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