QT1081 Datasheet, PDF (15/20 Pages) Quantum Research Group – 8-KEY QTOUCH SENSOR IC

Low Power operation (non-optimized)
800.0
QT1081, average Idd (100ms LP operation)
600.0
400.0
200.0
Vdd=5V
Vdd=4V
Vdd=3.3V
Vdd=2.8V
0.0
0123456
burst length (ms)
200.0
QT1081, average Idd (340ms LP operation)
150.0
100.0
50.0
Vdd=5V
Vdd=4V
Vdd=3.3V
Vdd=2.8V
0.0
0123456
burst length (ms)
4.7 LP Mode Typical Response Times
QT1081 Response Time (100ms LP operation)
130
125
120
115
110
105
100
95
90
2.5
3
3.5
4
4.5
5
5.5
Vdd
QT1081 Response Time (340ms LP operation)
430
410
390
370
350
330
310
290
2.5
3
3.5
4
4.5
5
5.5
Vdd
400.0
QT1081, average Idd (180ms LP operation)
300.0
200.0
100.0
Vdd=5V
Vdd=4V
Vdd=3.3V
Vdd=2.8V
0.0
0123456
burst length (ms)
QT1081 Response Time (180ms LP operation)
240
230
220
210
200
190
180
170
160
2.5
3
3.5
4
4.5
5
5.5
Vdd
lQ
15
QT1081_1R0.04_0307