ADS8513_14 Datasheet, PDF (7/34 Pages) Texas Instruments – 16-Bit, 40kSPS, Low-Power Sampling ANALOG-TO-DIGITAL CONVERTER with Internal Reference and Parallel/Serial Interface

ADS8513
www.ti.com ...................................................................................................................................................... SLAS486C – JUNE 2007 – REVISED JANUARY 2009
TYPICAL CHARACTERISTICS (continued)
UNIPOLAR OFFSET ERROR
vs
FREE-AIR TEMPERATURE
2
4 V Unipolar Range,
Drift = 2.8 ppm/°C
1
UNIPOLAR POSITIVE FULL-SCALE
ERROR
vs
FREE-AIR TEMPERATURE
0.2
4 V Unipolar Range,
Drift = 0.1 ppm/°C
UNIPOLAR OFFSET ERROR
vs
FREE-AIR TEMPERATURE
2
10 V Unipolar Range,
Drift = 2.8 ppm/°C
1
0
0
-1
-2
-45 -30 -15 0 15 30 45 60 75 90 105 120
T_A - Free-Air Temperature - °C
Figure 10.
UNIPOLAR POSITIVE FULL-SCALE
ERROR
vs
FREE-AIR TEMPERATURE
0.2
10 V Unipolar Range,
Drift = 0.4 ppm/°C
0.15
-45 -30 -15 0 15 30 45 60 75 90 105 120
T_A - Free-Air Temperature - °C
Figure 13.
SIGNAL-TO-NOISE RATIO
vs
FREE-AIR TEMPERATURE
110
f_i = 10 kHz, 0 dB
105
100
95
90
85
80
-50
-25 0 25 50 75 100 125
T_A - Free-Air Temperature - ºC
Figure 16.
-1
0.15
-45 -30 -15 0 15 30 45 60 75 90 105 120
T_A - Free-Air Temperature - °C
Figure 11.
SPURIOUS FREE DYNAMIC RANGE
vs
FREE-AIR TEMPERATURE
110
f_i = 10 kHz, 0 dB
105
100
95
90
85
80
-50
-25 0 25 50 75 100 125
T_A - Free-Air Temperature - ºC
Figure 14.
SIGNAL-TO-NOISE + DISTORTION
vs
FREE-AIR TEMPERATURE
110
f_i = 10 kHz, 0 dB
105
100
95
90
85
80
-50
-25 0 25 50 75 100 125
T_A - Free-Air Temperature - ºC
Figure 17.
-2
-45 -30 -15 0 15 30 45 60 75 90 105 120
T_A - Free-Air Temperature - °C
Figure 12.
TOTAL HARMONIC DISTORTION
vs
FREE-AIR TEMPERATURE
-80
f_i = 10 kHz, 0 dB
-85
-90
-95
-100
-105
-110
-50
-25 0 25 50 75 100 125
T_A - Free-Air Temperature - ºC
Figure 15.
SIGNAL-TO-NOISE + DISTORTION
vs
FREQUENCY
100
0 dB
90
80
-20 dB
70
60
50
40
-60 dB
30
20
10
0 2 4 6 8 10 12 14 16 18 20
f - Frequency - kHz
Figure 18.
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