TSC2005
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SBAS379–DECEMBER 2006
TYPICAL CHARACTERISTICS (continued)
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.
CHANGE IN OFFSET
vs TEMPERATURE
REFERENCE INPUT CURRENT
vs TEMPERATURE
6
4
8
7
6
5
4
I/OVDD = SNSVDD = 3V
VREF = 2.5V
I/OVDD = SNSVDD = 3V
VREF = 2.5V
2
0
-2
-4
-6
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
Figure 8.
Figure 9.
SWITCH ON-RESISTANCE
vs SUPPLY VOLTAGE
SWITCH ON-RESISTANCE
vs TEMPERATURE
8
7
6
5
4
3
7
Y+
X+
Y+
6
5
4
3
2
1
X+
X-
Y-
X-
Y-
X+, Y+: SNSVDD to Pin
X+, Y+: SNSVDD = 3V to Pin
X-, Y-: Pin to GND
X-, Y-: Pin to GND
1.6
2.0
2.4
2.8
3.2
3.6
-40
-20
0
20
40
60
80
100
SNSVDD (V)
Temperature (°C)
Figure 10.
Figure 11.
SWITCH ON-RESISTANCE
vs TEMPERATURE
TEMP DIODE VOLTAGE
vs TEMPERATURE
9
8
7
6
5
4
3
2
850
800
750
700
650
600
550
500
450
400
Measurement Includes
A/D Converter Offset
and Gain Errors
Y+
95.2mV
X+
TEMP2
X-
Y-
TEMP1
138.1mV
I/OVDD = SNSVDD = 3V
VREF = 2.5V
X+, Y+: SNSVDD = 1.8V to Pin
X-, Y-: Pin to GND
-40
-20
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
Figure 12.
Figure 13.
8
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