Datasheet

INL (LSB)
Code
0.60
0.45
0.30
0.15
0
−
0.15
−
0.30
−
0.45
−
0.60
0 1536 2048 2560 3072 3584512 1024 4096
f
IN
= 5MHz
DNL (LSB)
Code
0.45
0.30
0.15
0
−
0.15
−
0.30
−
0.45
0
3072 358425601024512 20481536 4096
f
IN
= 5MHz
Signal−to−Noise Ratio (dBFS)
Input Frequency (MHz)
80
75
70
65
60
55
0 8010 20 30 40 50 60 70
External Reference
REF
T
= 1.95V
REF
B
= 0.95V
Signal−to−Noise Ratio+Distortion (dBFS)
Input Frequency (MHz)
80
75
70
65
60
55
50
0 8010 20 30 40 50 60 70
External Reference
REF
T
= 1.95V
REF
B
= 0.95V
Spurious−Free Dynamic Range (dBFS)
Input Frequency (MHz)
100
95
90
85
80
75
70
0 8010 20 30 40 50 60 70
External Reference
REF
T
= 1.95V
REF
B
= 0.95V
Signal−to−Noise Ratio (dBFS)
Input Frequency (MHz)
80
75
70
65
60
55
0 8010 20 30 40 50 60 70
Internal Reference
ADS5272
www.ti.com ...................................................................................................................................................... SBAS324C – JUNE 2004 – REVISED JANUARY 2009
TYPICAL CHARACTERISTICS (continued)
T
MIN
= – 40 ° C and T
MAX
= +85 ° C. Typical values are at T
A
= +25 ° C, clock frequency = maximum specified, 50% clock duty
cycle, AVDD = 3.3V, LVDD = 3.3V, – 1dBFS, I
SET
= 56.2k Ω , internal voltage reference, LVDS buffer current at 3.5mA per
channel, 16kFFT, and 8 averages, unless otherwise noted.
DIFFERENTIAL NONLINEARITY INTEGRAL NONLINEARITY
Figure 7. Figure 8.
SNR vs INPUT FREQUENCY SINAD vs INPUT FREQUENCY
Figure 9. Figure 10.
SFDR vs INPUT FREQUENCY SNR vs INPUT FREQUENCY
Figure 11. Figure 12.
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