ADS5520IPAP Datasheet, PDF (17/38 Pages) Texas Instruments – 12-Bit, 125 MSPS Analog-To-Digital Converter

ADS5520
www.ti.com....................................................................................................................................................... SBAS310F – MAY 2004 – REVISED OCTOBER 2008
TYPICAL CHARACTERISTICS (continued)
Typical values given at T_A = 25°C, AV_DD = DRV_DD = 3.3 V, differential input amplitude = -1dBFS, sampling rate = 125 MSPS,
DLL On, and 3-V differential clock, unless otherwise noted
DIFFERENTIAL
NONLINEARITY
0.25
0.20
0.15
0.10
0.05
0
−0.05
−0.10
−0.15
−0.20
f_IN = 10.1 MHz, A_IN = −0.5 dBFS
−0.25
0
512 1024 1536 2048
Code
2560
Figure 17.
3072
3584
4096
SPURIOUS-FREE DYNAMIC RANGE
vs INPUT FREQUENCY
90
85
80
75
70
65
60
55
50
0
50
100
150
200
250
300
Input Frequency − MHz
Figure 19.
AC PERFORMANCE
vs ANALOG SUPPLY VOLTAGE
86
f_IN = 70 MHz
84
82
SFDR
80
78
76
74
72
SNR
70
68
3.00
3.15
3.30
3.45
3.60
AV_DD − Analog Supply Voltage − V
Figure 21.
INTEGRAL
NONLINEARITY
0.75
f_IN = 10.1 MHz
A_IN = −0.5 dBFS
0.50
0.25
0
−0.25
−0.50
0
72
512 1024 1536 2048 2560 3072 3584 4096
Code
Figure 18.
SIGNAL-TO-NOISE RATIO
vs INPUT FREQUENCY
71
70
69
68
67
66
0
78
77
76
75
74
73
72
71
70
69
3.00
50
100
150
200
250
300
Input Frequency − MHz
Figure 20.
AC PERFORMANCE
vs ANALOG SUPPLY VOLTAGE
f_IN = 150 MHz
SFDR
SNR
3.15
3.30
3.45
3.60
AV_DD − Analog Supply Voltage − V
Figure 22.
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