AR1010-ISLASHML datasheet(64/70 Pages) MICROCHIP

64 / 70 page

AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER

DS41393B-page 64

Preliminary

 2009-2012 Microchip Technology Inc.

APPENDIX B:

Modifying, removing or adding components may

adversely affect touch performance.

Specific manufacturers and part numbers are provided

only as a guide. Equivalents can be used.

TABLE B-1:

BILL OF MATERIALS

Label

Quantity

Value

Description

Manufacturer

Part Number

10 uF

Capacitor – Ceramic, 10 uF, 20%, 6.3V,

X7R, 0603

AVX

06036D106MAT2A

0.1 uF Capacitor – Ceramic, 0.1 uF, 10%, 16V,

X7R, 0603

AVX

0603YC104KAT2A

C3, C4, C5(1)

2-3

0.01 uF Capacitor – Ceramic, 0.01 uF, 10%,

50V, X7R, 0603

AVX

06035C103KAT2A

D1-D8(2)

4-8

130W

Diode – Bidirectional, 130W, ESD

Protection, SOD323

NXP

PESD5V0S1BA

20 K

 Resistor – 20 K, 1/10W, 5%, 0603

Yageo America RC0603JR-0720KL

N/A

Touch controller IC

Microchip

AR1011 or AR1021

Note 1:

C5 is only needed for 5-wire applications.

D1-D8 are for ESD protection.

- 4-wire touch screen, use D1-D4

- 5-wire touch screen, use D1-D5

- 8-wire touch screen, use D1-D8

See Section 3.8 “ESD Considerations” and Section 3.9 “Noise Considerations” for important information

regarding the capacitance of the controller schematic hardware.

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