ADS5296 Datasheet, PDF (28/104 Pages) Texas Instruments – 10-Bit, 200-MSPS, 4-Channel and 12-Bit, 80-MSPS, 8-Channel Analog-to-Digital Converter

ADS5296
SBAS606A – MAY 2013 – REVISED MAY 2013
www.ti.com
TYPICAL CHARACTERISTICS: General (4-Channel, 10-Bit, Interleaving Mode)
Typical values are at T_A = +25°C, AVDD = 1.8 V, LVDD = 1.8 V, input clock frequency = 200 MSPS, 50% clock duty cycle,
and –1-dBFS differential analog input, unless otherwise noted.
0
SNR = 61.5 dBFS
−10
SINAD = 61.5 dBFS
−20
SFDR = 86.6 dBc
THD = 85.4 dBc
−30
−40
−50
−60
−70
−80
−90
−100
−110
−120
−130
−140
0
10 20 30 40 50 60 70 80 90
Frequency (MHz)
Figure 41. FFT FOR 5-MHz INPUT SIGNAL
100
G037
0
SNR = 61.4 dBFS
−10
SINAD = 61.3 dBFS
−20
SFDR = 75.6 dBc
THD = 84.9 dBc
−30
−40
−50
−60
−70
−80
−90
−100
−110
−120
−130
−140
0
10 20 30 40 50 60 70 80 90
Frequency (MHz)
Figure 42. FFT FOR 15-MHz INPUT SIGNAL
100
G038
0
SNR = 61.1 dBFS
−10 _{SINAD = 61.03 dBFS}
−20 ^{SFDR = 74.1 dBc}
THD = 77.2 dBc
−30
−40
−50
−60
−70
−80
−90
−100
−110
−120
−130
−140
0
10 20 30 40 50 60 70 80 90
Frequency (MHz)
Figure 43. FFT FOR 70-MHz INPUT SIGNAL
100
G039
62
61.75
61.5
61.25
61
60.75
60.5
60.25
60
0 10 20 30 40 50 60 70 80 90 100
Input Signal Frequency (MHz)
G040
Figure 44. SIGNAL-TO-NOISE RATIO vs
INPUT SIGNAL FREQUENCY
28
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