ADS7863A Datasheet, PDF (11/42 Pages) Texas Instruments – Dual, 2-MSPS, 12-Bit, 2 + 2 or 3 + 3 Channel, Simultaneous-Sampling, Analog-to-Digital Converter

ADS7863A
www.ti.com
SBAS610 – DECEMBER 2013
TYPICAL CHARACTERISTICS (continued)
Over the entire supply voltage range, V_REF = 2.5 V (internal), f_CLK = 32 MHz, and t_DATA = 2 MSPS, unless otherwise noted.
-76
-78
-78
AV_DD = 5 V
-80
-80
AV_DD = 2.7 V
-82
AV_DD = 2.7 V
-82
-84
-84
-86
AV_DD = 5 V
-86
-88
-90
-88
-92
20 40 60 80 100 120 140 160 180 200
f_IN (kHz)
Figure 22. TOTAL HARMONIC DISTORTION
vs INPUT SIGNAL FREQUENCY
-90
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 23. TOTAL HARMONIC DISTORTION
vs TEMPERATURE
92
90
AV_DD = 2.7 V
88
86
AV_DD = 5 V
84
82
80
78
76
20 40 60 80 100 120 140 160 180 200
f_IN (kHz)
Figure 24. SPURIOUS-FREE DYNAMIC RANGE
vs INPUT SIGNAL FREQUENCY
90
88
AV_DD = 5 V
86
84
AV_DD = 2.7 V
82
80
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 25. SPURIOUS-FREE DYNAMIC RANGE
vs TEMPERATURE
8
7
AV_DD = 5 V
6
5 _{AVDD = 2.7 V}
4
3
2
1
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
Figure 26. ANALOG SUPPLY CURRENT vs TEMPERATURE
1
0.9
0.8
BV_DD = 3.3 V
0.7
0.6
0.5
0.4
0.3
BV_DD = 2.7 V
0.2
0.1
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
Figure 27. DIGITAL SUPPLY CURRENT vs TEMPERATURE
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