Datasheet

TYPICAL CHARACTERISTICS
-40 -20 0 20 40 60 80 100
Temperature( C)°
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
Deltafrom+25 C(LSB)°
SNSVDD=I/OVDD=V
REF
SNSVDD=1.6V
SNSVDD=1.2V
SNSVDD=3.0V
-40 -20 0 20 40 60 80 100
Temperature( C)°
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
Deltafrom+25 C(LSB)°
SNSVDD=I/OVDD=V
REF
SNSVDD=1.6V
SNSVDD=3.0V
SNSVDD=1.2V
-40 -20 0 20 40 60 80 100
Temperature( C)°
1100
1000
900
800
700
600
500
400
300
200
SNSVDDSupplyCurrent(
A)m
SNSVDD=3.0V,f =10MHz
SCLK
I/OVDD=SNSVDD=V
REF
SNSVDD=1.6V,f =10MHz
SCLK
SNSVDD=1.2V,f =5.5MHz
SCLK
1.2 1.6 2.0 2.4 2.8 3.2 3.6
SNSVDD(V)
1.50
1.25
1.00
0.75
0.50
0.25
0
SNSVDDSupplyCurrent(mA)
I/OVDD=SNSVDD=V
REF
T =+25 C°
A
f =1MHz,f =10MHz
ADC SCLK
f =2MHz,f =10MHz
ADC SCLK
f =1MHz,f =5.5MHz
ADC SCLK
f =2MHz,f =5.5MHz
ADC SCLK
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
(1)
M=15,W=7
(1)
2k forX-Plane
TSC-InitiatedModeScanX,Y,Zat50SSPS
TouchSensormodeledby: W
2k forY-PlaneW
1k forZ(TouchResistance)W
(2)
T =+25 C
I/OVDD=SNSVDD
V =1.6V
°
A
REF
t ,t ,t =DefaultValues
PVS PRE SNS
TSC2006
www.ti.com ......................................................................................................................................................... SBAS415C – JUNE 2007 – REVISED MARCH 2009
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, f
SCLK
= 10MHz,
12-bit mode, and non-continuous AUX measurement, unless otherwise noted.
CHANGE IN OFFSET CHANGE IN GAIN
vs TEMPERATURE vs TEMPERATURE
Figure 2. Figure 3.
SNSVDD SUPPLY CURRENT SNSVDD SUPPLY CURRENT
vs TEMPERATURE vs SNSVDD SUPPLY VOLTAGE
Figure 4. Figure 5.
SNSVDD SUPPLY CURRENT
vs SNSVDD SUPPLY VOLTAGE
(1) See Table 1
(2) See Figure 25
Figure 6.
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