Datasheet

www.ti.com
Temperature( C)°
R
( )W
ON
-40 -20
7
6
5
4
3
2
1
0 20 40 60 80 100
X+
X-
Y+
Y-
X+,Y+:SNSVDD=3VtoPin
X ,Y :PintoGND- -
Temperature( C)°
R
( )W
ON
-40 -20
9
8
7
6
5
4
3
2
0 20 40 60 80 100
X+
X-
Y+
Y-
X+,Y+:SNSVDD=1.8VtoPin
X ,Y :PintoGND- -
Temperature( C)°
TEMPDiodeVoltage(mV)
-40 -20
850
800
750
700
650
600
550
500
450
400
0 20 40 60 80 100
95.3mV
138.2mV
TEMP2
TEMP1
I/OVDD=SNSVDD=3V
V =2.5V
REF
MeasurementIncludes
A/DConverterOffset
andGainErrors
1.2 1.6 2.0 2.4 2.8 3.2 3.6
SNSVDD(V)
11
10
9
8
7
6
5
4
3
R ( )W
ON
X+,Y+:SNSVDDtoPin
X ,Y :PintoGND- -
T =+25 C°
A
X+
Y+
Y-
X-
1.2 1.6 2.0 2.4 2.8 3.2 3.6
SNSVDD(V)
590
588
586
584
582
580
578
TEMP1DiodeVoltage(mV)
SNSVDD=IOVDD=V
REF
T
A
=+25°C
MeasurementIncludes
A/DConverterOffset
andGainErrors
1.2 1.6 2.0 2.4 2.8 3.2 3.6
SNSVDD(V)
706
704
702
700
698
696
694
TEMP2DiodeVoltage(mV)
SNSVDD=IOVDD=V
REF
T
A
=+25°C
MeasurementIncludes
A/DConverterOffset
andGainErrors
TSC2004
SBAS408E – JUNE 2007 – REVISED MARCH 2008
TYPICAL CHARACTERISTICS (continued)
At T
A
= – 40 ° C to +85 ° C, SNSVDD = V
REF
= +1.2V to +3.6V, I/OVDD = +1.2V to +3.6V, f
ADC
= f
OSC
/2,
High-Speed mode (f
SCL
= 3.4MHz), 12-bit mode, and non-continuous AUX measurement, unless otherwise noted.
SWITCH ON-RESISTANCE SWITCH ON-RESISTANCE
vs TEMPERATURE vs TEMPERATURE
Figure 14. Figure 15.
SWITCH ON-RESISTANCE TEMP DIODE VOLTAGE
vs SNSVDD SUPPLY VOLTAGE vs TEMPERATURE
Figure 16. Figure 17.
TEMP1 DIODE VOLTAGE TEMP2 DIODE VOLTAGE
vs SNSVDD SUPPLY VOLTAGE vs SNSVDD SUPPLY VOLTAGE
Figure 18. Figure 19.
Copyright © 2007 – 2008, Texas Instruments Incorporated Submit Documentation Feedback 11
Product Folder Link(s): TSC2004