qt1081 Quantum Research Group, qt1081 Datasheet - Page 15

• Manufacturer Part Number: qt1081
• Description: 8-key Qtouch? Sensor Ic
• Manufacturer: Quantum Research Group

Low Power operation (non-optimized)
4.7 LP Mode Typical Response Times
lQ
130
125
120
115
110
105
100
430
410
390
370
350
330
310
290
95
90
800.0
600.0
400.0
200.0
200.0
150.0
100.0
2.5
2.5
50.0
0.0
0.0
QT1081 Response Time (100ms LP operation)
QT1081 Response Time (340ms LP operation)
0
0
QT1081, average Idd (100ms LP operation)
QT1081, average Idd (340ms LP operation)
3
3
1
1
burst length (ms)
burst length (ms)
2
2
3.5
3.5
3
3
Vdd
Vdd
4
4
4
4
5
5
4.5
4.5
6
6
5
5
Vdd=5V
Vdd=4V
Vdd=3.3V
Vdd=2.8V
Vdd=5V
Vdd=4V
Vdd=3.3V
Vdd=2.8V
5.5
5.5
15
240
230
220
210
200
190
180
170
160
400.0
300.0
200.0
100.0
2.5
0.0
QT1081 Response Time (180ms LP operation)
0
QT1081, average Idd (180ms LP operation)
3
1
burst length (ms)
2
3.5
3
Vdd
4
4
QT1081_1R0.04_0307
5
4.5
6
5
Vdd=5V
Vdd=4V
Vdd=3.3V
Vdd=2.8V
5.5