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CAP1208

MCHPCAP1208

Microchip Technology
Same family from Microchip with more channels for expanded key counts.
Active1,111 in stock

Overview

The Microchip CAP1208 is an 8-channel capacitive touch sensor controller, designed to replace mechanical buttons with reliable and low-power touch interfaces. It features programmable sensitivity, automatic recalibration, and various noise reduction technologies, making it suitable for a wide range of human interface applications. The device communicates via I2C or SMBus interfaces, simplifying integration into embedded systems.

Why Choose This Part

This touch sensor offers high integration with 8 input channels, reducing external component count. Its robust design includes RF detection, digital EMI blocking, and an 8kV ESD rating, ensuring reliable operation in noisy environments. The low power consumption, with a sleep current of 5uA, makes it ideal for battery-powered devices.

Applications

Desktop and Notebook PCs
Enabling touch-sensitive controls for power buttons, media playback, and other user interface functions.
LCD Monitors
Implementing touch-based menu navigation and settings adjustments on monitor bezels.
Consumer Electronics
Providing intuitive touch interfaces for home appliances, remote controls, and other handheld devices.
Printers and Office Equipment
Integrating reliable touch buttons for control panels and user interaction.
Toys and Games
Creating interactive touch surfaces for enhanced user experience in electronic toys.

Key Specifications

Type Buttons
Interface I2C, SMBus
Resolution 8 b
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width)
Current - Supply 750uA
Number of Inputs 8
Voltage - Supply 3V ~ 5.5V
Proximity Detection No
Operating Temperature -40degC ~ 125degC
Supplier Device Package 14-SOIC

Getting Started

To get started with the CAP1208, use the provided evaluation kits from Microchip Technology. These kits typically include hardware for connecting to a microcontroller development board, along with example code and configuration tools to simplify setup and sensor tuning over the I2C or SMBus interface.

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