参数资料
| 型号： | AT42QT5480-CU QS444 |
| 厂商： | Atmel |
| 文件页数： | 4/4页 |
| 文件大小： | 0K |
| 描述： | IC SENSOR DUAL TOUCH 49-BGA |
| 标准包装： | 1 |
| 系列： | QTwo™ |
| 类型： | 电容式触摸屏控制器 |
| 输入类型： | 逻辑 |
| 输出类型： | 逻辑 |
| 接口： | I²C |
| 电流 - 电源： | 4.9mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 49-BGA |
| 包装： | 标准包装 |
| 其它名称： | AT42QT5480-CU QS444DKR |
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2008 Atmel Corporation. All
rights reserved.
Atmel, Atmel logo and
combinations thereof,
QTouchTM, QFieldTM, QTwoTM,
QMatrixTM, QSlideTM, QWheelTM,
Two TouchTM, Adjacent Key
SuppressionTM, AKSTM and
others, are registered trademarks
or trademarks of Atmel
Corporation or its subsidiaries.
Other terms and product names
may be trademarks of others.
Rev.: 10610A-AT42-10/08/0M
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Atmel’s touch technology is backed up by comprehensive technical documentation and support based
on Atmel’s unparalleled experience in the touch sense industry.
We have strong relationships with both materials and service suppliers and we can help you locate all of
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To help you get the result you want Atmel provides:
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Call us to nd out more.
System Parameters
Technology
Patented spread spectrum charge transfer (transverse mode)
Sensor layers
One layer (Single Touch) or two layers (Two Touch)
Screen minimum edge
wiring
4.5 mm not including bonding area (depends on screen construction technology)
Panel Materials
Plastic, Glass, Composites, Painted Surfaces (low particle density metallic paints
possible)
Panel thickness
1.0 to 2 mm glass - 0.5 to 1.5 mm plastic
QT5320 touchscreen size
Up to 4.3 inches diagonal
QT5480 touchscreen size
Up to 8 inches diagonal
Resolution
10-bit (1024 x 1024)
Screen material
ITO (Indium Tin Oxide)
Host interface
I
2C-compatible slave mode (100 kHz or 400 kHz)
Touch response time
60 msec initially, 15 to 20 msec for updates
Signal processing
Self calibration, auto drift compensation, LCD noise filtering and Adjacent Key
SuppressionTM(AKSTM)
Recommended Operating Conditions
Power supply
+1.8V to +5.5V (2.5V to 5.5V in high speed
mode)
QT5320/5480 ICs – Electrical and Environmental Specications
Environmental Specifications
Operating temperature
-40o to +85oC
Storage temperature
-55o to +125oC
DC Specifications
Supply current (sleep mode)
<2 A @ 3.3V
Supply current (active/touched)
<4900 A @ 3.3V (high speed mode)
Supply current (idle/not touched) <2740 A @ 3.3V (high speed mode)
Package Options
QT5320 32 pins, 5 mm x 5 mm
QFN RoHS compliant
QT5480 49 balls, 5 mm x 5 mm
BGA RoHS compliant
QT5480 44 pins, 7 mm x 7 mm
QFN RoHS compliant
QT5480 44 pins, 10 mm x 10 mm TQFP RoHS compliant
The QT5320 and QT5480 are available in
small packages, required for the use in
handheld applications
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