ADS8512_14 Datasheet, PDF (7/34 Pages) Texas Instruments – 12-Bit, 40-kSPS, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER with Internal Reference and Serial Interface

ADS8512
www.ti.com ...................................................................................................................................................................................................... SLAS485 – JUNE 2008
TYPICAL CHARACTERISTICS (continued)
BIPOLAR NEGATIVE FULL-SCALE
ERROR
vs
FREE-AIR TEMPERATURE
0.2
0.15 ^{-5 V to 5 V}
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 10.
UNIPOLAR OFFSET ERROR
vs
FREE-AIR TEMPERATURE
9
0 V to 10 V
6
3
0
-3
-6
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 13.
TOTAL HARMONIC DISTORTION
vs
FREE-AIR TEMPERATURE
-90
-91
-92
-93
-94
-95
-96
-97
-98
-99
-100
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 16.
UNIPOLAR OFFSET ERROR
vs
FREE-AIR TEMPERATURE
2
1.5 ^{0 V to 4 V}
1
0.5
0
-0.5
-1
-1.5
-2
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 11.
UNIPOLAR POSITIVE FULL-SCALE
ERROR
vs
FREE-AIR TEMPERATURE
0.5
0.4 ^{0 V to 10 V}
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 14.
SIGNAL-TO-NOISE RATIO
vs
FREE-AIR TEMPERATURE
75
74.5
74
73.5
73
72.5
72
71.5
71
70.5
70
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 17.
UNIPOLAR POSITIVE FULL-SCALE
ERROR
vs
FREE-AIR TEMPERATURE
0.4
0 V to 4 V
0.3
0.2
0.1
0
-0.1
-0.2
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 12.
SPURIOUS FREE DYNAMIC RANGE
vs
FREE-AIR TEMPERATURE
100
99
98
97
96
95
94
93
92
91
90
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 15.
SIGNAL-TO-NOISE + DISTORTION
vs
FREE-AIR TEMPERATURE
75
74.5
74
73.5
73
72.5
72
71.5
71
70.5
70
-45 -25 -5 15 35 55 75 95 115
T_A - Free Air Temperature - °C
Figure 18.
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