ADS8515 Datasheet, PDF (7/22 Pages) Texas Instruments – 16-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER

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ADS8515
SLAS460A – JUNE 2007 – REVISED NOVEMBER 2007
TYPICAL CHARACTERISTICS (continued)
SPURIOUS FREE DYNAMIC RANGE
vs
FREE-AIR TEMPERATURE
100
95
90
85
80
75
f_s = 250 KSPS
f_i = 20 kHz
70
-55 -40 -25 -10 5 20 35 50 65 80 95 110 125
T_A - Free-Air-Temperature - °C
Figure 7.
BIPOLAR ZERO ERROR
vs
FREE-AIR TEMPERATURE
5
4
3
2
1
0
-1
-2
-3
-4
-5
-40 -25 -10 5 20 35 50 65 80
T_A - Free-Air-Temperature - °C
Figure 10.
POSITIVE FULL-SCALE ERROR
vs
FREE-AIR TEMPERATURE
0.25
0.2 Internal Reference
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
-0.25
-40 -25 -10 5 20 35 50 65 80
T_A - Free-Air-Temperature - °C
Figure 13.
TOTAL HARMONIC DISTORTION
vs
FREE-AIR TEMPERATURE
-70
f_s = 250 KSPS
-75 ^{fi = 20 kHz}
-80
-85
-90
-95
-100
-55 -40 -25 -10 5 20 35 50 65 80 95 110 125
T_A - Free-Air-Temperature - °C
Figure 8.
NEGATIVE FULL-SCALE ERROR
vs
FREE-AIR TEMPERATURE
0.25
0.2 Internal Reference
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
-0.25
-40 -25 -10 5 20 35 50 65 80
T_A - Free-Air-Temperature - °C
Figure 11.
POSITIVE FULL-SCALE ERROR
vs
FREE-AIR TEMPERATURE
0.1
0.08 ^{External Reference}
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
-0.1
-40 -25 -10 5 20 35 50 65 80
T_A - Free-Air-Temperature - °C
Figure 14.
INTERNAL REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
4.1
4.099
4.098
4.097
4.096
4.095
4.094
4.093
4.092
4.091
4.09
-40 -25 -10 5 20 35 50 65 80
T_A - Free-Air-Temperature - °C
Figure 9.
NEGATIVE FULL-SCALE ERROR
vs
FREE-AIR TEMPERATURE
0.1
0.08 ^{External Reference}
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
-0.1
-40 -25 -10 5 20 35 50 65 80
T_A - Free-Air-Temperature - °C
Figure 12.
SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
0.025
0.023
0.021
0.019
0.017
0.015
-40 -25 -10 5 20 35 50 65 80
T_A - Free-Air-Temperature - °C
Figure 15.
Copyright © 2007, Texas Instruments Incorporated
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