What are the key specifications of the AT42QT1011?

It operates from 1.8V to 5.5V, features 14-bit resolution, supports a single key or proximity sensor, and comes in a 6-pin SOT23-6 package.

What should engineers review before using this sensor?

Engineers should review the PCB layout requirements, specifically minimizing trace lengths to the SNSK pin to reduce stray capacitance (Cx) and ensure optimal gain.

How is sensitivity adjusted?

Sensitivity is primarily adjusted by selecting the appropriate value for the external sample capacitor (Cs) and optimizing the electrode size.

What is the pinout of AT42QT1011-TSHR?

Use the AT42QT1011-TSHR datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about AT42QT1011-TSHR pinout to locate pins, power rails, and interface signals before layout.

AT42QT1011-TSHR Datasheet, Specs, Alternatives & ECAD | Atmel Corporation

AI summary

The AT42QT1011-TSHR is a versatile, low-power single-key capacitive touch sensor IC suitable for various consumer and industrial interface applications.

Best for

Consumer appliances
Control panels
Proximity sensing

Avoid if

High-noise environments without proper PCB shielding
Applications requiring multi-touch or complex gesture recognition

Check before use

Capacitor (Cs) selection
PCB trace length

Key specifications

Supply Voltage: 1.8V - 5.5V
Package: SOT23-6
Inputs: 1
Operating Temp: -40°C to +85°C

Compliance & Environment

RoHS: RoHS Compliant
REACH: -
MSL: MSL1
ECCN: EAR99
HTSUS: 8542.39.0001

Application

Consumer ElectronicsIndustrial ControlsProximity Sensing

Datasheet

11e6702d0ce55388fab86dd2d3b47653_1809192035_Microchip-Tech-AT42QT1011-TSHR_C112956.pdf

800 KB

Datasheet AI

CAD Models

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a digital burst mode charge-transfer touch sensor IC capable of detecting touch or proximity through various dielectric materials.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the AT42QT1011-TSHR?+×

What are the key specifications of the AT42QT1011?+×

What should engineers review before using this sensor?+×

How is sensitivity adjusted?+×

What is the pinout of AT42QT1011-TSHR?+×