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PDF AR1100 Data sheet ( Hoja de datos )
| Número de pieza | AR1100 | |
| Descripción | Touch Screen Controller | |
| Fabricantes | Microchip Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AR1100 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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AR1100 Resistive USB and RS-232
Touch Screen Controller
Data Sheet
2011 Microchip Technology Inc.
DS41606B
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER
1.0 OVERVIEW
The Microchip mTouchTM AR1100 Analog Resistive
USB and RS-232 Touch Screen Controller represents
a feature-rich, fully-integrated universal touch screen
controller solution. The AR1100 automatically selects
between USB and RS-232 communication protocols,
as well as supports 4, 5 or 8-wire analog resistive touch
screens from any of a variety of touch screen
manufacturers. The AR1100 dynamically adapts to the
various touch screen electrical characteristics such as
sensitivity, contact resistance, and capacitance to
provide optimal performance with minimal design time.
Building on the AR1000 series, the new AR1100 offers
customers an easy-to-integrate solution for low-cost,
high-performing resistive touch with the advantages of
USB plug and play, support for USB mouse or digitizer,
advanced touch response and accuracy, field flash
updatability, and free drivers for most operating sys-
tems to enable low risk designs for a wide variety of
touch sensing requirements.
The AR1100 supports large displays like industrial con-
trols, self-service kiosks, and POS terminals, as well as
smaller tablet displays, handheld consumer devices,
and medical devices.
FIGURE 1-1:
BLOCK DIAGRAM
Resistive touch provides the advantages of easy
integration, low total system cost and acceptance of
finger, glove or stylus input, and USB communication is
the industry standard for attaching peripherals to a
computer. The AR1100 is an easy-to-integrate touch
screen controller that meets all of these needs in a
single-chip solution or production ready-board product.
The device comes with free drivers for most major
operating systems, making it easy for designers to
quickly create low-risk touch interface solutions.
1.1 Applications
The AR1100 is suitable for any application that requires
fast, accurate and reliable integration of touch –
including, but not limited to:
• Mobile communication devices
• Personal Digital Assistants (PDA)
• Global Positioning Systems (GPS)
• Touch Screen Monitors
• KIOSK
• Media Players
• Portable Instruments
• Point of Sale Terminals
2011 Microchip Technology Inc.
DS41606B-page 5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER
3.4 ESD Considerations
Suggested ESD protection is shown on the reference
schematic (See FIGURE B-1: “Schematic”).
Additional/alternate ESD countermeasures may be
employed to meet application-specific requirements.
Test to ensure the selected ESD protection does not
degrade touch performance.
Note:
ESD protection diodes are recommended
for all active sensor lines but care should
be taken to minimize capacitance. As an
example,
PESD5V0S1BA
is
recommended and used on reference
designs due to its nominally-low 35 pF.
3.5 Noise Considerations
Touch sensor filtering capacitors are included in the
reference design schematic (See FIGURE B-1:
“Schematic”).
Note:
Changing the value of the sensor filter
capacitors may adversely affect touch
performance.
2011 Microchip Technology Inc.
DS41606B-page 11
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AR1100.PDF ] | |
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