Touch Screen Controllers

Touch screen controllers are data converters which convert user actions on a screen to signals that can be read by a device. These controllers plug into sensors that communicate touch actions electronically, enabling the use of a touch screen device as an input mechanism in place of a mouse or keypad.


What are touch screen controllers used for?

Touch screen controllers are used in ATMs and point of sale equipment as well as in smart technology devices such as tablets, mobile phones, laptops and Kindles. Touch screen controllers are also standard in the manufacturing and engineering industries where display screens act as control panels for machinery and specialised equipment.


Types of touch screen controllers

Touch screen controllers come in two types: capacitive and resistive.


Capacitive touch screen controllers are compatible with screen panels coated with indium tin dioxide. The film coating conducts a constant electrical current across a sensor to pick up on any change in electrical charge when the screen is touched.


Resistive touch screen controllers produce an electrically resistive layer. The changes in resistance on this layer are identified as touch events, which are picked up by the controller for processing of data. 


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Description Price Conversion Rate Resolution Interface Type Sensing Technology Sensing Wire Type Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Length Width Height Maximum Operating Temperature
RS Stock No. 923-3741
Mfr. Part No.ADS7846E
SGD5.57
Each (In a Tube of 75)
units
125ksps 12 bit - - - Surface Mount SSOP 16 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C
RS Stock No. 660-7571
Mfr. Part No.ADS7846E
SGD6.56
Each
units
125ksps 12 bit - - - Surface Mount SSOP 16 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C
RS Stock No. 661-3545
Mfr. Part No.TSC2007IPW
SGD3.98
Each
units
- - - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm +85 °C
RS Stock No. 133-1747
Mfr. Part No.QT60240-ISG
SGD3.89
Each (In a Pack of 2)
units
- 10 bit I2C, Serial-SPI Spread-Spectrum Charge-Transfer Hard-Wire Surface Mount MLF 32 1.8 → 5.25 V 5 x 5 x 0.95mm 5mm 5mm 0.95mm +85 °C
RS Stock No. 127-6595
Mfr. Part No.AT42QT1010-TSHR
SGD0.886
Each (In a Pack of 10)
units
- 14 bit Digital Output Spread-Spectrum Charge-Transfer - Surface Mount SOT-23 6 1.8 → 5.5 V 2.05 x 2 x 0.55mm 2.05mm 2mm 0.55mm +85 °C
RS Stock No. 171-4086
Mfr. Part No.BU21023MUV-E2
BrandROHM
SGD3.978
Each (On a Reel of 2500)
units
- 10 bit - Resistive 4-Wire Surface Mount VQFN028V5050 28 3 V 5 x 5 x 0.98mm 5mm 5mm 0.98mm +85 °C
RS Stock No. 145-6685
Mfr. Part No.TSC2046EIPW
SGD2.15
Each (In a Tube of 90)
units
- - - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm +85 °C
RS Stock No. 923-6766
Mfr. Part No.ADS7845E
SGD10.811
Each (In a Tube of 75)
units
- - - - - Surface Mount SSOP 16 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C
RS Stock No. 171-4087
Mfr. Part No.BU21025GUL-E2
BrandROHM
SGD0.931
Each (On a Reel of 3000)
units
43.48ksps 12 bit Serial-I2C Resistive 4-Wire Surface Mount VCSP50L2 12 3 V 2 x 1.5 x 0.45mm 2mm 1.5mm 0.45mm +85 °C
RS Stock No. 177-2764
Mfr. Part No.AT42QT1010-MAHR
SGD0.74
Each (On a Reel of 3000)
units
- 14 bit Digital Output - - Surface Mount UDFN/USON 8 1.8 V 2.05 x 2 x 0.55mm 2.05mm 2mm 0.55mm +85 °C
RS Stock No. 165-2152
Mfr. Part No.MTCH6301-I/PT
BrandMicrochip
SGD3.421
Each (In a Tray of 160)
units
- 12 bit Serial-I2C Capacitive - Surface Mount TQFP 44 2.3 → 3.6 V 10 x 10 x 1.05mm 10mm 10mm 1.05mm +85 °C
RS Stock No. 185-1355
Mfr. Part No.BU21078FV-E2
BrandROHM
SGD2.796
Each (In a Pack of 5)
units
- 8 bit - Capacitive 2-Wire Surface Mount SSOP-B 28 3 → 5.5 V 10.35 x 5.6 x 1.15mm 10.35mm 5.6mm 1.15mm +85 °C
RS Stock No. 185-1341
Mfr. Part No.BU21021GUL-E2
BrandROHM
SGD5.84
Each (In a Pack of 2)
units
- 12 bit - Resistive - Surface Mount VCSP50L2 50 3 V 2.7 x 2.65 x 0.55mm 2.7mm 2.65mm 0.55mm +85 °C
RS Stock No. 715-3915
Mfr. Part No.AT42QT1012-TSHR
BrandMicrochip
SGD0.85
Each
units
- 9 bit Serial Capacitive 2-Wire Surface Mount SOT-23 6 1.8 → 5.5 V 3 x 1.75 x 1.3mm 3mm 1.75mm 1.3mm +85 °C
RS Stock No. 665-8737
Mfr. Part No.ADS7846N
SGD8.99
Each
units
125ksps 12 bit - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm +85 °C
RS Stock No. 893-8284
Mfr. Part No.MTCH6303-I/RG
BrandMicrochip
SGD5.595
Each (In a Pack of 2)
units
- 10 bit Serial-I2C Capacitive - Surface Mount QFN 64 2.3 → 3.6 V 9 x 9 x 0.9mm 9mm 9mm 0.9mm +85 °C
RS Stock No. 185-1263
Mfr. Part No.BU21029GUL-E2
BrandROHM
SGD1.844
Each (On a Reel of 3000)
units
- 12 bit - Resistive 2-Wire Surface Mount VCSP50L2 50 3 V 2 x 2 x 0.55mm 2mm 2mm 0.55mm +85 °C
RS Stock No. 459-516
Mfr. Part No.TSC2046EIPW
SGD2.66
Each
units
- - - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm +85 °C
RS Stock No. 127-6600
Mfr. Part No.AT42QT1070-SSUR
SGD1.45
Each (In a Pack of 5)
units
- - Serial-I2C Spread-Spectrum Charge-Transfer - Surface Mount SOIC 14 1.8 → 5.5 V 8.748 x 3.998 x 1.499mm 8.748mm 3.998mm 1.499mm +85 °C
RS Stock No. 709-2501
Mfr. Part No.ADS7845E
SGD14.56
Each
units
- - - - - Surface Mount SSOP 16 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C
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