Datasheet

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Temperature( C)°
TEMPDiodeVoltage(mV)
-40 -20
850
800
750
700
650
600
550
500
450
400
0 20 40 60 80 100
95.2mV
138.1mV
TEMP2
TEMP1
I/OVDD=SNSVDD=3V
V =2.5V
REF
MeasurementIncludes
A/DConverterOffset
andGainErrors
SNSVDD(V)
1.6 2.0 2.4 2.8 3.2
588
586
584
582
580
578
576
574
3.6
TEMP1DiodeVoltage(mV)
T =+25 C
I/OVDD=SNSVDD
°
A
V =1.6V
REF
MeasurementIncludes
A/DConverterOffset
andGainErrors
SNSVDD(V)
1.6 2.0 2.4 2.8 3.2
704
702
700
698
696
694
692
690
3.6
TEMP2DiodeVoltage(mV)
MeasurementIncludes
A/DConverterOffset
andGainErrors
T =+25 C
I/OVDD=SNSVDD
°
A
V =1.6V
REF
SNSVDD(V)
1.6 2.0 2.4 2.8 3.2
1.2
1.0
0.8
0.6
0.4
0.2
0
3.6
SNSVDDSupplyCurrent(mA)
M=1,W=1
M=15,W=7
2k forX-Plane
TSC-InitiatedModeScanX,Y,Zat50SSPS
TouchSensormodeledby: W
2k forY-Plane
1k forZ(TouchResistance)
W
W
T =+25 C
I/OVDD=SNSVDD
V =1.6V
°
A
REF
t ,t ,t =DefaultValues
PVS PRE SNS
Temperature( C)°
InternalOscillatorClockFrequency(MHz)
-40 -20
3.70
3.65
3.60
3.55
3.50
0 20 40 60 80 100
SNSVDD=1.6V
Temperature( C)°
InternalOscillatorClockFrequency(MHz)
-40 -20
3.95
3.90
3.85
3.80
3.75
0 20 40 60 80 100
SNSVDD=3.0V
TSC2005
SBAS379C – DECEMBER 2006 – REVISED MARCH 2008
TYPICAL CHARACTERISTICS (continued)
At T
A
= – 40 ° C to +85 ° C, SNSVDD = V
REF
= +1.6V to +3.6V, I/OVDD = +1.2V to +3.6V, f
ADC
= f
OSC
/2, f
SCLK
= 10MHz,
12-bit mode, and non-continuous AUX measurement, unless otherwise noted.
TEMP DIODE VOLTAGE TEMP1 DIODE VOLTAGE
vs TEMPERATURE vs SUPPLY VOLTAGE
Figure 14. Figure 15.
TEMP2 DIODE VOLTAGE SUPPLY CURRENT
vs SUPPLY VOLTAGE vs SUPPLY VOLTAGE
Figure 16. Figure 17.
INTERNAL OSCILLATOR CLOCK FREQUENCY INTERNAL OSCILLATOR CLOCK FREQUENCY
vs TEMPERATURE vs TEMPERATURE
Figure 18. Figure 19.
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