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PDF AT42QT4120 Data sheet ( Hoja de datos )
| Número de pieza | AT42QT4120 | |
| Descripción | 10-bit Touchscreen Sensor IC | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• QField™ Touchscreen:
– Up to 3.4 inches diagonal screen size supported
• Technology:
– Patented spread-spectrum charge-transfer (transverse mode)
• Panel Materials:
– Plastic, glass, composites, painted surfaces (low particle density metallic paints
possible)
• Adjacent Metal:
– Compatible with grounded metal immediately next to sensing channels
• Panel Thickness:
– 1 to 2 mm glass, 0.5 to 1.5 mm plastic
• Interface:
– I2C-compatible slave mode, 100 kHz or 400 kHz
• Moisture Tolerance:
– Best in class
• Power:
– 1.8V to 5.5V (2.5V to 5.5V in high speed mode)
• Packages:
– 32-pin 5 x 5 mm MLF RoHS compliant
• Signal Processing:
– Self-calibration, auto drift compensation, noise filtering
• Applications:
– Mobile electronics, terminals, appliances
• Patents:
– QMatrix™ (patented Charge-transfer method)
– QField (patented Charge-transfer method, patent-pending QField optimized for
one-layer sensor element designs)
1. Pin-out and Pin Listing Descriptions
1.1 Device Pin-out
QField™ 10-bit
Touchscreen
Sensor IC
AT42QT4120
Summary
N/C
CHANGE
Vss
Vdd
Vss
Vdd
N/C
N/C
32 31 30 29 28 27 26 25
1 24
2 23
3 22
4
5
AT42QT4120
21
20
6 19
7 18
8 17
9 10 11 12 13 14 15 16
Y1B
Y0B
A0
Vss
Vdd
Vdd
Vdd
N/C
Note: This is a summary document. A
complete document is available under
NDA. For more information contact
www.atmel.com/touchscreen.
9506AS–AT42–10/08
1 page  
3. Revision History
Revision No.
Revision AS – October 2008
History
Initial release for chip revision 7.0
AT42QT4120
9506AS–AT42–10/08
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet AT42QT4120.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AT42QT4120 | 10-bit Touchscreen Sensor IC | ATMEL Corporation |
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