Analog 4-Wire Resistive Touch Screen
The four sides of the touch screen are identified as X1, X2, Y1 & Y2 axis. There are conductive layers which are applied with voltage and when touched/resistance applied, drop In voltage is sensed by the controller.
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General Specifications |
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Type |
Analog 4 Wire Resistive |
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Input Method |
Stylus or Finger |
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Glass Thickness |
1.1 ~ 5.0 mm |
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Environmental Specifications |
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Operating Temperature |
-30o to +70o C |
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Storage Temperature |
-40o to +80o C |
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Operating Humidity |
20% to 85% RH (Non Condensing) |
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Storage Humidity |
10% to 90% RH (Non Condensing) |
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Optical Specifications |
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Transparency |
≥ 80% (± 3%) |
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Haze |
< 3% |
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Electrical Specifications |
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Max. Voltage |
5V DC |
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Max. Current |
35mA |
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Look Resistance |
X:20~500Ω, Y:20~500Ω |
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Linearity |
X ≤ 1.5%, Y ≤ 1.5% |
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Chattering |
≤ 15ms |
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Insulation |
≥ 20MΩ/25V(DC) |
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Mechanical Specifications |
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Operating Force |
10-80 g |
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Durability |
3,000,000 touch at a single point |
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Hardness |
3H ~ 7H |
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Capacitance |
< 5 nF |