Microchip Capacitive Touch Controller IC I2C, 20-Pin SOIC

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Subtotal (1 tube of 37 units)*

HK$456.987

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Units
Per unit
Per Tube*
37 - 74HK$12.351HK$456.99
111 - 518HK$12.103HK$447.81
555 +HK$11.859HK$438.78

*price indicative

RS Stock No.:
236-8827
Mfr. Part No.:
AT42QT2120-SU
Manufacturer:
Microchip
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Brand

Microchip

Product Type

Touch Controller IC

Interface Type

I2C

Sensing Technology

Capacitive

Mount Type

Surface

Package Type

SOIC

Pin Count

20

Minimum Supply Voltage

-0.5V

Maximum Supply Voltage

6V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Standards/Approvals

RoHS

Series

AT42QT2120

Height

10.65mm

Width

2.65 mm

Length

13mm

Automotive Standard

No

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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