qt1106 Quantum Research Group, qt1106 Datasheet - Page 19

• Manufacturer Part Number: qt1106
• Description: Qwheel?/qslide?/qtouch? Ic Touch Screen
• Manufacturer: Quantum Research Group

lQ
Cs (keys) = 4.7nF, Cs (wheel) = 15nF Ta = 20
4.0
3.0
2.0
1.0
0.0
750
600
450
300
150
250
200
150
100
50
0
0
2.5
2.5
2.5
QT1106 Idd (LP 280ms mode) uA
QT1106 Idd (LP 760ms mode) uA
QT1106 Idd (Free Run mode) uA
3
3
3
3.5
3.5
3.5
Table 7.2 Typical Average Idd Curves (Spread Spectrum)
Vdd (V)
Vdd (V)
Vdd (V)
4
4
4
4.5
4.5
4.5
5
5
5
Rb1 = 15k ohms, Rb2 = 27k ohms, Css = 100nF
Rb1 = 12k ohms, Rb2 = 22k ohms, Css = 100nF
Rb1 = 12k ohms, Rb2 = 27k ohms, Css = 100nF
5.5
5.5
5.5
0
, spread-spectrum circuit (see Figure 2.1).
19
18
16
14
12
10
1250
1000
500
400
300
200
100
8
6
4
2
0
750
500
250
2.5
0
0
2.5
QT1106 Idd (LP 440ms mode) uA
QT1106 Idd (LP 200ms mode) uA
2.5
QT1106 Idd (Sleep mode) uA
3
3
3
3.5
3.5
3.5
Vdd (V)
Vdd (V)
Vdd (V)
4
4
QT1106_8IR0.07_0907
4
4.5
4.5
4.5
5
5
5
5.5
5.5
5.5