at42qt1011 ATMEL Corporation, at42qt1011 Datasheet - Page 14

• Manufacturer Part Number: at42qt1011
• Description: One-channel Touch Sensor Ic
• Manufacturer: ATMEL Corporation

5.4
Vdd = 3.0V, Cs = 4.7 nF, Cx = 5 pF, Ta = recommended range, unless otherwise noted
5.5
Vdd = 3.0V, Cs = 4.7 nF, Cx = 5 pF, Ta = recommended range, unless otherwise noted
14
Description
Threshold differential
Hysteresis
Consensus filter length
Max on-duration
Parameter
V
V
V
I
V
V
I
V
C
A
DD
DDS
I
DD
OH
DD
OL
IL
HL
IL
X
R
Signal Processing
DC Specifications
I
AT42QT1011
Supply voltage
Supply current, Fast mode
Supply current, LP mode
Supply turn-on slope
Low input logic level
High input logic level
Low output voltage
High output voltage
Input leakage current
Load capacitance range
Acquisition resolution
Description
0.7 Vdd
0.6 Vdd
Min
Min
1.8
2.3
10
2
Infinite
203.0
246.0
378.5
542.5
729.0
<0.05
16.5
19.5
34.0
51.5
73.5
Typ
Typ
10
2
4
9
0.2 Vdd
0.3 Vdd
Max
Max
5.5
0.5
14
50
1
samples
seconds
counts
counts
Units
Units
bits
V/s
µA
µA
µA
pF
V
V
V
V
V
Notes
Notes
1.8V
2.0V
3.0V
4.0V
5.0V
1.8V
2.0V
3.0V
4.0V
5.0V
Required for proper start-up
Vdd = 1.8V – 2.4V
Vdd = 2.4V – 5.5V
Vdd = 1.8V – 2.4V
Vdd = 2.4V – 5.5V
OUT, 4 mA sink
OUT, 1 mA source
9542G–AT42–03/10