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XPT7603 Fiches technique(PDF) 24 Page - List of Unclassifed Manufacturers |
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XPT7603 Fiches technique(HTML) 24 Page - List of Unclassifed Manufacturers |
24 / 25 page X XP PT T7 76 60 03 3 D Da atta aS Sh he ee ett C Co op py yrriig gh htt© ©2 20 00 09 9,, S SH HE EN NZ ZH HE EN N X XP PT TE EK K T TE EC CH HN NO OL LO OG GY Y C CO O..,,L LT TD D http://www.xptek.com.cn P Pa ag ge e 24/25 In particular, in the use of resistive touch screen to touch screen and pay attention to the connection between XPT7603. Resistive touch screen because the resistance is relatively small, so XPT7603 between the screen and try to connect to a short connection to the resistance as small as possible. Long connection will bring more of the error, which, as the on-resistance switch. In addition, the welding point of relaxation, as well as a solid point of contact will not bring the error to the application. In addition to talking in front of the other applications in the touch screen (for example, applications using the LCD panel backlight) cause of noise is also an important reason for the error. EMI noise coupled through the LCD panel to the touch screen panel, causing instability in output, there are "glitches", and so can not be calibrated. Minimize these errors, there are several possible ways: increase in touch screen at the bottom of a metal shield, shield to ground; in the YP, YN, XP and XN-pin, respectively, to take on the filter capacitor; ... ... but it must be noted These settings will be touch screen response time impact, especially in single-ended mode at the same time data transmission and relatively high speed applications. 12 Physical Size of Chip Package 12.1 MSOP-10 Package |
Numéro de pièce similaire - XPT7603 |
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Description similaire - XPT7603 |
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