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XPT2046 (ADS7843) - Touch Screen Decoder IC

4-wire resistive touch screen decoder

XPT2046 (ADS7843) - Touch Screen Decoder IC

Sunrom Part# 4109

Available We dispatch same day if ordered by 4PM (excluding holidays), then courier usually takes 2-5 days.
Real Time Availability
Ready Stock: 6 nos.
Factory Leadtime for more quantity: 15 days
Quantity Pricing
Quantity :
Price (Discount%)
1-4 :
Rs.35.00/- (0%)
5-9 :
Rs.33.95/- (3%)
10-24 :
Rs.32.55/- (7%)
25-49 :
Rs.31.50/- (10%)
50-74 :
Rs.30.80/- (12%)
75-99 :
Rs.29.75/- (15%)
100-249 :
Rs.28.70/- (18%)
250-499 :
Rs.28.00/- (20%)
500-999 :
Rs.27.30/- (22%)
1000+ :
Rs.26.25/- (25%)

The ADS7843 / XPT2046 (100% Equivalent ICs) is the most popular decoder IC for resistive type touch screen. You will find such IC in almost any commercial unit. It is 4-wire resistive touch screen controller that incorporates a 12-bit 125 kHz sampling SAR type A/D converter. The XPT2046 can detect the pressed screen location by performing two A/D conversions.

You can use your microcontroller's SPI to read/write the device.

There is a IRQ/PEN signal output, that only when we press the touch panel, the IRQ signal will become low. When released, it will become back to high. 

IC Package SOP16 / SSOP16

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