AT42QT2120-SU, Touch Controller IC I2C, 20-Pin SOIC

View all Touch Screen Sensor ICs
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Subtotal (1 pack of 5 units)*

£6.45

(exc. VAT)

£7.75

(inc. VAT)

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Per unit
Per Pack*
5 - 5£1.29£6.45
10 - 20£1.262£6.31
25 - 105£1.186£5.93
110 +£1.164£5.82

*price indicative

Packaging Options:
RS Stock No.:
236-8828
Mfr. Part No.:
AT42QT2120-SU
Brand:
Microchip
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Brand

Microchip

Interface Type

I2C

Package Type

SOIC

Pin Count

20

The Microchip's capacitive touch controller is with 12 configurable Microchip QTouchADC buttons, sliders and wheels. The QTouchADC sensing algorithm self capacitance enables the user to achieve longer-range proximity sensing. This capability makes the device ideal for any typical of proximity-sensing application, including wake-up, thermostat, TV controls, wireless mouse, etc. This reduces the total power consumption of your device and results in a more intuitive and differentiated user interface. The button sensors can be constructed in a variety of shapes and sizes. The device includes all the necessary signal processing functions required to provide stable sensing under a wide variety of changing conditions and frequencies conducted immunity certified to EN61000-4-6 Level 2B.

Input channels 12
Interface I2C
maximum number of keys 12
Measurement principle E-field
Other features signal guard/driven shield
Proximity detection
Slider yes
Temperature range 0°C to 70°C

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