QT113-DG

Description：IC SENSOR TOUCH/PROX 1CHAN 8DIP
Series：QProx™

SKU:e21bb12215cb Category: Sensor, Capacitive Touch Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：IC SENSOR TOUCH/PROX 1CHAN 8DIP
Series：QProx™
Mfr：Microchip Technology
Package：Tube
Type：Buttons
Proximity Detection：Yes
Number of Inputs：1
LED Driver Channels：-
Interface：-
Resolution：14 b
Voltage - Supply：2.5V ~ 5.5V
Current - Supply：600µA
Operating Temperature：0°C ~ 70°C
Mounting Type：Through Hole
Package / Case：8-DIP (0.300", 7.62mm)
Supplier Device Package：8-PDIP
Grade：-
Qualification：-

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QT113-DG

Overview

The QT113-DG is a digital charge-transfer touch sensor IC from the QProx series, designed for proximity and touch detection. It operates on a single supply voltage ranging from 2.5V to 5.5V with a typical current consumption of 600µA. The device features a 14-bit resolution ADC and includes internal signal processing for drift compensation and noise immunity. It supports DC and toggle output modes, along with a HeartBeat health indicator. The operating temperature range for the -DG suffix is 0°C to +70°C. It requires only one external capacitor for operation.

Feature Summary

Projects a proximity sense field through air or insulators
Includes consensus filter for noise immunity
Features 100% autocalibration for life without adjustments
Provides option-selectable toggle mode for on/off control

Applications

Elevator buttons
Consumer devices
Access systems
Pointing devices
Appliance control

Procurement Notes

Verify the specific -DG suffix indicates the commercial temperature range (0°C to +70°C) rather than the industrial range (-40°C to +85°C). Confirm package type matches requirements as the datasheet lists DIP/SOIC options. Check for end-of-life status as older Microchip components may be discontinued. Ensure ordering documentation specifies the correct lead-free package variant.

Selection Notes

Select the QT113-DG when a commercial temperature range is sufficient for the application environment. Consider the toggle mode capability if on/off switching functionality is required without microcontroller intervention. Evaluate the need for the HeartBeat feature for system health monitoring. Compare against the -IS variant if an extended industrial temperature range is necessary for harsher operating conditions.

Part Context

The QT113 belongs to Microchip's QProx family of charge-transfer touch sensors. This technology utilizes burst-mode charge transfer to detect changes in capacitance caused by human touch or proximity. The family includes variants like the QT111 and QT112, offering different pin counts and feature sets while maintaining similar core sensing algorithms and low power consumption characteristics.