TSC2005
www.ti.com
SBAS379–DECEMBER 2006
TYPICAL CHARACTERISTICS
At TA = –40°C to +85°C, SNSVDD = VREF = +1.6V to +3.6V, I/OVDD = +1.2V to +3.6V, fADC = fOSC/2, fSCLK = 10MHz, 12-bit
mode, and non-continuous AUX measurement, unless otherwise noted.
SUPPLY CURRENT
vs TEMPERATURE
SUPPLY CURRENT
vs TEMPERATURE
1100
1050
1000
950
40
35
30
25
20
15
I/OVDD = SNSVDD = 3V
VREF = 2.5V
I/OVDD = SNSVDD = 3V
VREF = 2.5V
900
850
800
750
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
Figure 2.
Figure 3.
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE
SUPPLY CURRENT
vs SUPPLY VOLTAGE
100
80
60
40
20
0
1.50
1.25
1.00
0.75
0.50
0.25
0
TA = +25°C
I/OVDD = SNSVDD = VREF
SNSVDD = 3.0V
SNSVDD = 3.6V
fADC = 1MHz
fADC = 2MHz
SNSVDD = 1.6V
I/OVDD = SNSVDD
VREF = 1.6V
-40
-20
0
20
40
60
80
100
1.6
2.0
2.4
2.8
3.2
3.6
SNSVDD (V)
Temperature (°C)
Figure 4.
Figure 5.
SUPPLY CURRENT
vs SUPPLY VOLTAGE
CHANGE IN GAIN
vs TEMPERATURE
50
45
40
35
30
25
20
15
10
5
0.6
0.4
I/OVDD = SNSVDD = 3V
VREF = 2.5V
TA = +25°C
SNSVDD = VREF
fADC = 2MHz
0.2
0
fADC = 1MHz
-0.2
-0.4
-0.6
0
1.6
2.0
2.4
2.8
3.2
3.6
-40
-20
0
20
40
60
80
100
I/OVDD (V)
Temperature (°C)
Figure 6.
Figure 7.
7
Submit Documentation Feedback
BB [ BURR-BROWN CORPORATION ]
