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QT1080 Datasheet(PDF) 11 Page - Quantum Research Group

Part # QT1080
Description  8 KEY QTOUCH SENSOR IC
Download  16 Pages
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Manufacturer  QUANTUM [Quantum Research Group]
Direct Link  http://www.qprox.com
Logo QUANTUM - Quantum Research Group

QT1080 Datasheet(HTML) 11 Page - Quantum Research Group

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4.6 Idd Curves (Average)
Cx = 5pF, Cs = 4.7nF, Ta = 20oC, Spread spectrum circuit of Fig. 1.1.
QT1080 Idd (360m s respons e) µA
0
50
100
150
200
250
300
2.533.5
44.555.5
Vdd(V)
Rb1=15K
Rb2=27K
Rb1=12K
Rb2=22K
QT1080 Idd (200m s respons e) µA
0
100
200
300
400
2.533.5
44.555.5
Vdd(V)
Rb1=15K
Rb2=27K
Rb1=12K
Rb2=22K
QT1080 Idd (110m s respons e) µA
0
100
200
300
400
500
2.533.5
44.555.5
Vdd(V)
Rb1=15K
Rb2=27K
Rb1=12K
Rb2=22K
QT1080 Idd (norm al m ode) m A
0.0
1.0
2.0
3.0
4.0
5.0
2.5
3
3.5
4
4.5
5
5.5
Vdd(V)
Rb1=15K
Rb2=27K
Rb1=12K
Rb2=22K
Cx = 5pF, Cs = 4.7nF, Ta = 20oC, Rosc = 18K
Ω; no spread spectrum circuit
QT1080 Idd (360m s re sponse) µA
0
25
50
75
100
125
2.5
3
3.544.5
55.5
Vdd(V)
QT1080 Idd (200m s re sponse) µA
0
50
100
150
200
250
2.5
3
3.5
4
4.5
5
5.5
Vdd(V)
QT1080 Idd (110m s re sponse) µA
0
100
200
300
400
2.5
3
3.5
4
4.5
5
5.5
Vdd(V)
QT1080 Idd (norm al m ode ) m A
0.0
1.0
2.0
3.0
4.0
5.0
2.5
3
3.5
4
4.5
5
5.5
Vdd(V)
lQ
11
QT1080 R11.06/0806


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