AT42QT2120-MMHR
AT42QT2120-MMHR
Microchip Technology
IC TOUCH SENSOR 12CH 20VQFN
18528 Pcs New Original In Stock
Capacitive Touch Buttons, Slider, Wheel 20-VQFN (3x3)
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AT42QT2120-MMHR Microchip Technology
5.0 / 5.0 - (466 Ratings)

AT42QT2120-MMHR

Product Overview

1302470

DiGi Electronics Part Number

AT42QT2120-MMHR-DG
AT42QT2120-MMHR

Description

IC TOUCH SENSOR 12CH 20VQFN

Inventory

18528 Pcs New Original In Stock
Capacitive Touch Buttons, Slider, Wheel 20-VQFN (3x3)
Quantity
Minimum 1

Purchase and inquiry

Quality Assurance & Returns

365 - Day Quality Guarantee - Every part fully backed.

90 - Day Refund or Exchange - Defective parts? No hassle.

Limited Stock, Order Now - Get reliable parts without worry.

Global Shipping & Secure Packaging

Worldwide Delivery in 3-5 Business Days

100% ESD Anti-Static Packaging

Real-Time Tracking for Every Order

Secure & Flexible Payment

Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more

All payments encrypted for security

In Stock (All prices are in USD)
  • QTY Target Price Total Price
  • 1 2.0573 2.0573
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Quantity
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AT42QT2120-MMHR Technical Specifications

Category Interface, Sensor, Capacitive Touch

Manufacturer Microchip Technology

Packaging Cut Tape (CT) & Digi-Reel®

Series QTouch™

Product Status Active

DiGi-Electronics Programmable Not Verified

Type Buttons, Slider, Wheel

Proximity Detection Yes

Number of Inputs Up to 12

LED Driver Channels Up to 10

Interface I2C

Resolution -

Voltage - Supply 1.8V ~ 5.5V

Current - Supply -

Operating Temperature -40°C ~ 85°C

Mounting Type Surface Mount

Package / Case 20-VFQFN Exposed Pad

Supplier Device Package 20-VQFN (3x3)

Base Product Number AT42QT2120

Datasheet & Documents

HTML Datasheet

AT42QT2120-MMHR-DG

Environmental & Export Classification

RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Additional Information

Other Names
1611-AT42QT2120-MMHRTR-DG
1611-AT42QT2120-MMHRDKR-DG
AT42QT2120-MMHRTR
1611-AT42QT2120-MMHRCT
1611-AT42QT2120-MMHRCT-DG
AT42QT2120-MMHRDKR
1611-AT42QT2120-MMHRTR
1611-AT42QT2120-MMHRTRINACTIVE
AT42QT2120-MMHRCT
AT42QT2120MMHR
1611-AT42QT2120-MMHRCTINACTIVE
1611-AT42QT2120-MMHRDKR
1611-AT42QT2120-MMHRDKRINACTIVE
Standard Package
6,000

Reviews

5.0/5.0-(Show up to 5 Ratings)
夢***者
Dec 02, 2025
5.0
他們的售後反應速度快,問題解決能力強,讓我感受到真正的專業服務。
親***友
Dec 02, 2025
5.0
DiGi Electronics的物流速度令人驚喜,訂貨後第二天就收到貨品,大大提升了我的購物體驗。
Shim***Shade
Dec 02, 2025
5.0
Every time I contact their support, I receive attentive and detailed guidance.
Li***low
Dec 02, 2025
5.0
DiGi’s packaging is environmentally considerate and wallet-friendly.
Bol***acon
Dec 02, 2025
5.0
Fast delivery and quick follow-up support—they handle their customers professionally.
Mysti***rizon
Dec 02, 2025
5.0
Prompt shipment and solid build quality—Di Digi Electronics consistently impresses me.
Sta***zer
Dec 02, 2025
5.0
I can always rely on their attentive and professional customer care.
NeonL***thouse
Dec 02, 2025
5.0
A wide array of options and reliable packaging make Di Digi Electronics a preferred choice.
Brig***pirit
Dec 02, 2025
5.0
The product was carefully manufactured, and the delivery was very quick.
Aut***Leaf
Dec 02, 2025
5.0
We commend their attentive and prompt after-sales support team.
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Frequently Asked Questions (FAQ)

What are the main features of the AT42QT2120 capacitive touch sensor interface?
The AT42QT2120 offers 12 channels for capacitive touch buttons, sliders, and wheels, with proximity detection capabilities, all via an I2C interface. It supports up to 10 LED driver channels and operates within a voltage range of 1.8V to 5.5V, making it versatile for various applications.
Is the AT42QT2120 compatible with different microcontrollers and systems?
Yes, the AT42QT2120 uses an I2C interface, ensuring broad compatibility with most microcontrollers and embedded systems. Its surface-mount design makes it suitable for integration into compact or space-constrained devices.
What are the advantages of using the AT42QT2120 capacitive touch sensor in my project?
The AT42QT2120 provides high-resolution touch detection, multiple inputs for complex interfaces, and proximity sensing, enhancing user interaction. Its RoHS3 compliance and operational temperature range make it suitable for various industrial and consumer electronics applications.
Can the AT42QT2120 handle multiple touch inputs simultaneously?
Yes, it supports multiple touch inputs with up to 12 channels, allowing for complex touch interfaces such as multi-button controls, sliders, and wheels in a single device.
What is the availability and warranty of the AT42QT2120 capacitive touch sensor?
The AT42QT2120 is available in stock with over 19,000 units ready for shipment, ensuring quick delivery. As an active and original product from microchip-technology, it comes with standard manufacturer support and warranty.
QC (Quality Assurance)

DiGi provide top-quality products and perfect service for customer worldwide through standardization, technological innovation andcontinuous improvement .Buyers need more than just electronic parts. They need security.
All the electronics components will pass QC, make sure all the parts are working perfect. Save your time and your money is our poiver.

Quality Assurance
QC Step 1
Substandard and counterfeit detection
QC Step 2
Failure analysis
QC Step 3
Lifecycle and reliability testing
QC Step 4
Electrical testing
DiGi Certification
Blogs & Posts

AT42QT2120-MMHR CAD Models

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