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Microchip Capacitive Touch Controller IC I2C Interface 20-Pin SOIC AT42QT2120-SU
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 10.65mm |
| Length | 13mm |
| Model | AT42QT2120-SU |
| Width | 2.65mm |
| Mount Type | Surface |
| Series | AT42QT2120 |
| Maximum Operating Temperature | 85°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Interface Type | I2C |
| Standards/Approvals | RoHS |
| Pin Count | 20 |
| Maximum Supply Voltage | 6V |
| Minimum Supply Voltage | -0.5V |
| Sensing Technology | Capacitive |
Key Features
- Supports 12 configurable Microchip QTouchADC buttons, sliders, and wheels.
- Uses QTouchADC self capacitance sensing algorithm for long-range proximity detection.
- Ideal for user interfaces like thermostats, TVs, wireless mice, and wake-up functions.
- Includes signal guard and driven shield features for stable performance.
- Certified to EN61000-4-6 Level 2B for frequency and conducted immunity.
- Operates within a temperature range of 0°C to 70°C.
- Features an I2C digital interface for communication.
- Compact 20-pin SOIC surface mount package with precise dimensions.
Product Description
Microchip AT42QT2120-SU is a capacitive touch controller IC featuring a 12-channel configurable QTouchADC sensor interface. Designed for industrial, commercial, and consumer electronics applications, this device enables intuitive and differentiated user controls with minimal power consumption. The self capacitance sensing technology supports sliders, wheels, and buttons ideal for products such as thermostats, TVs, and wireless peripherals.
The IC operates with an I2C interface for seamless system integration and is housed in a compact 20-pin SOIC surface mount package with dimensions 13mm x 10.65mm x 2.65mm. Its robust design supports operating temperatures from 0°C to 70°C, and supply voltage range from -0.5V to 6V, making it suitable for diverse environments.
The device is certified to EN61000-4-6 Level 2B for immunity to conducted disturbances, enhancing reliability in noisy industrial settings. Signal guard and driven shield techniques provide additional noise immunity and sensor stability. These features combine to deliver precise proximity detection and user interface versatility.
Supports multiple sensor types including buttons, sliders, and wheels. Employs advanced QTouchADC sensing algorithm for superior proximity sensing. Low power consumption suitable for battery operated devices. Compact SOIC package for space-efficient PCB design.
Wide voltage and temperature support ensures application flexibility. Robust immunity to electromagnetic interference. I2C interface enables easy connectivity with microcontrollers. Ideal for industrial, laboratory, consumer electronics, and HVAC user interfaces.
Ready for integration into commercial products requiring capacitive touch input.
This product falls under the 'Touch Screen Sensor' category in electronics and electrical components at EnvMart, providing a reliable solution for capacitive touch control applications.
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Frequently Asked Questions
The AT42QT2120-SU utilizes capacitive sensing technology, specifically the QTouchADC self-capacitance sensing algorithm, which supports buttons, sliders, and wheels for user interfaces.
This model operates within a temperature range of -40°C to 85°C, making it suitable for various environments.
The dimensions of this model are 13mm in length, 10.65mm in width, and 2.65mm in height.
The AT42QT2120-SU has a supply voltage range from -0.5V to 6V, allowing for flexible integration into different systems.
It features an I2C digital interface, enabling easy connectivity with microcontrollers and other devices.
This capacitive touch controller supports 12 configurable channels, allowing for multiple touch inputs.
The AT42QT2120-SU is certified to EN61000-4-6 Level 2B for immunity to conducted disturbances, enhancing its reliability in industrial settings.
This model is designed for surface mounting, making it suitable for compact PCB designs.
It is ideal for user interfaces in products such as thermostats, TVs, wireless mice, and other consumer electronics requiring touch input.
The device includes signal guard and driven shield features for stable performance and enhanced noise immunity.
This model has a pin count of 20, which is standard for its compact design.
The country of origin for this capacitive touch controller is India.
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