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Microchip Capacitive Touch Controller IC SOIC, 20-Pin, I2C Interface, 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
- Capacitive touch controller IC suitable for proximity sensing applications.
- Features I2C interface for easy integration with microcontrollers.
- Supports up to 12 QTouchADC channel inputs for buttons, sliders, and wheels.
- Wide operating voltage range from -0.5V to 6V for flexible designs.
- Compact 20-Pin SOIC surface mount package for space-efficient PCB assembly.
- Operating temperature ranges from -40°C to 85°C, suitable for demanding environments.
- RoHS compliant, meeting environmental standards.
- Ideal for industrial, consumer electronics, HVAC, and commercial applications.
Product Description
Microchip AT42QT2120-SU Capacitive Touch Controller IC offers advanced capacitive sensing technology for applications requiring reliable touch and proximity detection. Featuring a 20-Pin SOIC package and an I2C interface, this controller can be integrated easily into a wide range of embedded systems.
With 12 configurable QTouchADC channels, it is designed for flexible user interface solutions including buttons, sliders, and wheels, supporting self-capacitance proximity sensing. The device's robust sensing algorithm enables stable operation across changing conditions and frequencies, making it suitable for industrial and commercial devices.
Capacitive sensing technology ensures precise touch detection and proximity measurement. I2C interface allows seamless connectivity and communication with various microcontroller platforms. Surface mount SOIC package with 20 pins optimizes PCB space usage.
Wide voltage operating range and temperature tolerance support diverse applications. RoHS compliance assures safe environmental handling. Supports signal guard/driven shield for enhanced electrical immunity. Ideal for smart appliances, thermostats, TV controls, wireless mouse, and many other embedded system interfaces.
Low power consumption provides efficient operation in battery-powered designs.
The AT42QT2120-SU is commonly deployed in industrial, commercial, and consumer electronics for intuitive touch-based interfaces. The robust build and electrical immunity compliance (EN61000-4-6 Level 2B certified) make it reliable in harsh environments, suited for manufacturing, automation, and HVAC systems.
Set up your industrial or commercial projects with Microchip's trusted capacitive touch controller, and browse more Sensor ICs and touch controller solutions in the EnvMart catalogue for extensive product selection.
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Frequently Asked Questions
The operating voltage range of this model is from -0.5V to 6V, allowing for flexible design options in various applications.
It supports up to 12 QTouchADC channel inputs, which can be configured for buttons, sliders, and wheels.
The AT42QT2120-SU comes in a 20-Pin SOIC surface mount package, optimizing space for PCB assembly.
It operates within a temperature range of -40°C to 85°C, making it suitable for demanding environments.
This model uses an I2C interface for easy integration with microcontrollers and other devices.
Yes, it is RoHS compliant, meeting environmental standards for safe handling.
It utilizes capacitive sensing technology, which provides reliable touch and proximity detection.
The dimensions of this model are 10.65mm in height, 13mm in length, and 2.65mm in width.
This model is ideal for applications in industrial, consumer electronics, HVAC, and commercial systems requiring intuitive touch-based interfaces.
The maximum supply voltage for this capacitive touch controller is 6V.
The minimum operating temperature for the AT42QT2120-SU is -40°C, allowing it to function in low-temperature environments.
This model supports surface mounting, which is suitable for compact PCB designs.
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