Datasheet

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TYPICAL CHARACTERISTICS
-40 -20 0 20 40 60 80 100
Temperature( C)°
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
Deltafrom+25 C(LSB)°
SNSVDD=IOVDD=V
REF
SNSVDD=1.2V
SNSVDD=1.6V
SNSVDD=3.0V
-40 -20 0 20 40 60 80 100
Temperature( C)°
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
Deltafrom+25 C(LSB)°
SNSVDD=I/OVDD=V
REF
SNSVDD=1.2V
SNSVDD=1.6V
SNSVDD=3.0V
-40 -20 0 20 40 60 80 100
Temperature( C)°
650
550
450
350
250
150
50
SNSVDDSupplyCurrent( A)m
SNSVDD=3.0V
I/OVDD=SNSVDD=V
REF
SNSVDD=1.6V
SNSVDD=1.2V
1.2 1.6 2.0 2.4 2.8 3.2 3.6
SNSVDD(V)
1.00
0.75
0.50
0.25
0
SNSVDDSupplyCurrent(mA)
I/OVDD=SNSVDD=V
REF
T =+25 C°
A
f =2MHz
ADC
f =1MHz
ADC
1.2 1.6 2.0 2.4 2.8 3.2 3.6
SNSVDD(V)
1.2
1.0
0.8
0.6
0.4
0.2
0
SNSVDDSupplyCurrent(mA)
TouchSensorModeledBy:
2k forY-PlaneW
2k forY-PlaneW
1kW forZ(TouchResistance)
(2)
M=15,W=7
(1)
M=1,W=1
(1)
I/OVDD=SNSVDD=V
REF
T
A
=+25°C
t ,t ,t
PVS PRE SNS
=defaultvalues
TSC-InitiatedModeScanX,Y,Zat50SSPS
TSC2004
SBAS408E – JUNE 2007 – REVISED MARCH 2008
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.
CHANGE IN OFFSET CHANGE IN GAIN
vs TEMPERATURE vs TEMPERATURE
Figure 3. Figure 4.
SNSVDD SUPPLY CURRENT SNSVDD SUPPLY CURRENT
vs TEMPERATURE vs SNSVDD SUPPLY VOLTAGE
Figure 5. Figure 6.
SNSVDD SUPPLY CURRENT
vs SNSVDD SUPPLY VOLTAGE
(1) See Table 1
(2) See Figure 26
Figure 7.
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