Datasheet

f (kHz)
IN
1
10 100
95
90
85
80
75
70
65
250
SINAD(dB)
VA=VBD=5.0V
V =4.096V
REF
VA=VBD=2.7V
V =2.500V
REF
f (kHz)
IN
1
10 100
-65
70
75
80
85
90
95
100
105
-
-
-
-
-
-
-
-
250
VA=VBD=2.7V
V =2.500V
REF
VA=VBD=5.0V
V =4.096V
REF
THD(dB)
f (kHz)
IN
1
10 100
105
100
95
90
85
80
75
70
65
250
VA=VBD=2.7V
V =2.500V
REF
VA=VBD=5.0V
V =4.096V
REF
SFDR(dB)
Temperature(°C)
-50 -25 0 25 50 75 100
93
92
91
90
89
88
87
f =1.03760kHz, 0.2dB-
IN
VA=VBD=5.0V
V =4.096V
REF
SINAD(dB)
VA=VBD=2.7V
V =2.500V
REF
f (kHz)
IN
1
10 100
95
90
85
80
250
SNR(dB)
VA=VBD=5.0V
V =4.096V
REF
VA=VBD=2.7V
V =2.500V
REF
ADS8331
ADS8332
SBAS363C –DECEMBER 2009–REVISED MAY 2012 www.ti.com
TYPICAL CHARACTERISTICS: AC Performance (continued)
At T
A
= +25°C, V
REF
(REF+ – REF–) = 4.096V when VA = VBD = 5V or V
REF
(REF+ – REF–) = 2.5V when VA = VBD = 2.7V,
f
SCLK
= 21MHz, f
SAMPLE
= 500kSPS, and f
IN
= 10kHz, unless otherwise noted.
SIGNAL-TO-NOISE + DISTORTION SIGNAL-TO-NOISE RATIO
vs TEMPERATURE vs INPUT FREQUENCY
Figure 26. Figure 27.
TOTAL HARMONIC DISTORTION SPURIOUS-FREE DYNAMIC RANGE
vs INPUT FREQUENCY vs INPUT FREQUENCY
Figure 28. Figure 29.
SIGNAL-TO-NOISE + DISTORTION
vs INPUT FREQUENCY
Figure 30.
16 Copyright © 2009–2012, Texas Instruments Incorporated