IntelliTouch 2500U USB Controller

Electrical

Supply Voltage and Current

Interface

Operating Modes

Touch Resolution

Conversion Time

Reliability

Environmental

Temperature

Humidity

Operating Altitude Shock and Vibration

ESD

Flammability

Physical Characteristics

Construction

Dimension

Connectors and Pin Definitions

USB Output

Connector

+5 Vdc, nominal (+4.75 to +5.25 Vdc).

50 mA, typical at +5 Vdc. Average power dissipation is 0.25 W, typical.

Supply must be capable of sourcing 100 mA, minimum.

Total noise and ripple requirement must be less than 100mV (p-p) for frequencies below 1MHz, and less than 50mV (p-p) for frequencies above 1MHz.

USB High Speed

Plug and play compatible

IntelliTouch SmartSet protocol.

Initial/Stream/ Untouch/ Z-axis Enable Modes.

Approximately 4096x4096, size independent, 255 levels of Z (pressure).

Approximately 10.4 ms per coordinate set.

MTBF greater than 345,000 hours per MIL-HDBK-217-F2 using the parts stress calculation method for the ground benign environment with an ambient temperature of 25° C

Operating: 0° C to 65° C

Storage: -25°C το 85° C

Operating: 10% to 90% RH, non-condensing.

Storage: Same.

10,000 feet.

Three axis sine wave, 50Hz to 2kHz, 1G, 2 minutes/Octave with dwell on resonance.

Per EN 6100-4-2 1995: Level 4. Contact discharge 8kV, air discharge 15kV

The printed circuit board substrate is rated 94V0. All plastic components, such as headers and connector, are also rated 94V0.

Four-layer surface-mount design with internal ground plane for EMI suppression.

Total Width: 2.36 inches (59.94 mm), including connectors

Total Length: 3.51 inches (89.03 mm), including connector

Total height: 0.61 inches (15.44 mm)

All mounting holes are plated through-holes for chassis ground connection. Refer to the drawings at the end of this document.

The connector configuration permits the controller to be placed in-line between the touchscreen and a USB hub or host attachment.

The USB connector, P2, is a USB Series “B” receptacle as specified in section 6.5 of the USB specification, version 1.1. The pins are numbered as shown on page Table B.1 on page 66.

B-64I n t e l l i T o u c h / S e c u r e T o u c h G u i d e

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Elo TouchSystems IntelliTouch SecureTouch manual IntelliTouch 2500U USB Controller, Electrical, Physical Characteristics