ADS8284
SLAS628–MARCH 2009................................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS
INTERNAL REFERENCE VOLTAGE
DC HISTOGRAM
(CH0 without mux switching)
DC HISTOGRAM
(CH0 with mux switching, CH 0-1-0)
vs
FREE-AIR TEMPERATURE
3000
2500
2000
1500
1000
20000
18000
16000
14000
12000
10000
8000
4.098
2850
18230
+VA = 5 V,
+VBD = 5 V
T
= 25°C,
T
V
= 25°C,
A
A
17372
V
= 4.096 V,
= 4.096 V,
ref
ref
4.0975
2325 VCC = 6 V,
VEE = -6 V,
+VA = 5 V
VCC = 6 V,
VEE = -6 V,
+VA = 5 V
2028
4.097
4.0965
4.096
10533
10293
1194
978
6000
3999
3368
748
4000
4.0955
4.095
500
0
280
234
2000
0
777
56
7
44
2
2
118
86
4
8
-40 -25 -10
5
20 35
50 65 80
T
- Free-Air Temperature - °C
A
Figure 9.
Figure 10.
Figure 11.
ANALOG VOLTAGE (+VA) SUPPLY
CURRENT (IA)
INTERNAL REFERENCE VOLTAGE
SUPPLY CURRENT (IA)
vs
ANALOG VOLTAGE (+VA)
vs
vs
SUPPLY VOLTAGE
FREE-AIR TEMPERATURE
44
43.75
43.5
44
4.0972
+VA = 5 V,
Throughput = 1 MSPS
T
= 25°C
T
= 25°C,
A
A
Throughput = 1 MSPS
4.09719
4.09718
43.75
43.5
43.25
43
43.25
43
4.09717
4.09716
42.75
42.5
4.09715
42.75
4.09714
4.09713
42.5
42.25
42
42.25
4.75
4.85
4.95
5.05
5.15
5.25
-40
-20
0
20
40
60
80
4.70 4.80 4.90
5
5.10 5.20 5.30 5.40
Supply Voltage - V
T
- Free-Air Temperature - °C
+VA - Analog Voltage - V
A
Figure 12.
Figure 13.
Figure 14.
OPA POSITIVE SUPPLY CURRENT
OPA POSITIVE SUPPLY CURRENT
(ICC
)
ANALOG SUPPLY CURRENT
(ICC
)
vs
vs
vs
OPA POSITIVE SUPPLY VOLTAGE
(+VCC)
SAMPLE RATE
FREE-AIR TEMPERATURE
14
13.5
13
12
11.9
11.8
11.7
11.6
11.5
11.4
11.3
11.2
46
45
44
43
42
41
40
+VA = 5 V,
+VBD = 5 V,
T
= 25°C,
VCC = 6 V,
VEE = -6 V
A
VEE = -6 V
T
= 25°C,
A
V
= 4.096 V
ref
12.5
12
11.5
11
10.5
10
11.1
11
9.5
9
39
750
500
Sample Rate - KSPS
1000
250
8
5
6
- Supply Voltage - V
-40
-20
0
20
40
60
80
7
4
V
T
A
- Free-Air Temperature - °C
CC+
Figure 15.
Figure 16.
Figure 17.
18
Submit Documentation Feedback
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s) :ADS8284
TI [ TEXAS INSTRUMENTS ]
