at42qt1070 ATMEL Corporation, at42qt1070 Datasheet - Page 25

• Manufacturer Part Number: at42qt1070
• Description: Qtouch 7-channel Sensor Ic
• Manufacturer: ATMEL Corporation

6.4
Cx = 5 pF, Rs = 4.7 k
6.5
9596A–AT42–10/10
Parameter
F
F
Fm
T
T
I2C
QT
R
D
Power Consumption Measurements
Timing Specifications
1 (16 ms)
2 (24 ms)
4 (32 ms)
5 (40 ms)
6 (48 ms)
LP Mode
0 (8 ms)
Response time
Sample frequency
Power-up delay to
operate/calibration time
I
Burst modulation,
percentage
RESET pulse width
2
C-compatible clock rate
Description
Minimum
DI setting
x 8 ms
1744
1375
1263
1168
1119
1089
162
5V
–
–
5
Typical
<230
180
±8
–
–
–
LP mode + (DI setting x
Idd (µA) at Vdd =
Maximum
8 ms)
198
400
3.3V
–
–
906
615
525
486
445
434
Units
kHz
kHz
ms
ms
µs
%
AT42QT1070
Under host control
Modulated
spread-spectrum (chirp)
Can be longer if burst is
very long.
1.8V
442
305
261
234
221
211
Notes
–
–
–
25