ADS8472 Datasheet, PDF (12/30 Pages) Burr-Brown (TI) – 16-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE

ADS8472
SLAS514 – DECEMBER 2006
TYPICAL CHARACTERISTICS (continued)
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TOTAL HARMONIC DISTORTION
vs
FREE-AIR TEMPERATURE
-115
+VA = 5 V,
-116 ^{+VBD = 5 V,}
fs = 1 MSPS,
-117 ^{Vref = 4.096 V,}
fi = 2 kHz
-118
-119
-120
-121
-122
-40 -25 -10 5 20 35 50 65 80
TA - Free-Air Temperature - °C
Figure 25.
SPURIOUS FREE DYNAMIC RANGE
vs
FREE-AIR TEMPERATURE
121
120.8
120.6
+VA = 5 V,
+VBD = 5 V,
fs = 1 MSPS,
TA = 25°C,
fi = 2 kHz
120.4
120.2
120
119.8
119.6
-40 -25 -10 5 20 35 50 65 80
TA - Free-Air Temperature - °C
Figure 26.
SIGNAL-TO-NOISE + DISTORTION
vs
FREE-AIR TEMPERATURE
95.30
95.25
95.20
+VA = 5 V,
+VBD = 5 V,
fs = 1 MSPS,
Vref = 4.096 V,
fi = 2 kHz
95.15
95.10
95.05
95
-40 -25 -10 5 20 35 50 65 80
TA - Free-Air Temperature - °C
Figure 28.
SIGNAL-TO-NOISE RATIO
vs
FREE-AIR TEMPERATURE
95.30
95.25
95.20
+VA = 5 V,
+VBD = 5 V,
fs = 1 MSPS,
Vref = 4.096 V,
fi = 2 kHz
95.15
95.10
95.05
95
-40 -25 -10 5 20 35 50 65 80
TA - Free-Air Temperature - °C
Figure 27.
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-32768
DNL
+VA = 5 V, +VBD = 5 V, T_A = 25°C, f_s = 1 MSPS, V_ref = 4.096 V
-16384
0
Output Code
Figure 29.
16384
32768
12
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