CYAT81682-100AS61

Touch Screen Controllers Overview

The CYAT81682-100AS61 is a capacitive touchscreen controller from Infineon Technologies, part of the TrueTouch family. It integrates an Arm Cortex CPU and supports I2C and SPI interfaces. The device operates within a supply voltage range of 1.71 V to 5.5 V, with a maximum operating current of 20 mA. It features a 32-bit resolution and includes four ADC inputs. Designed for surface-mount installation, it is housed in a TQFP-100 package and functions reliably across a temperature range of -40°C to +105°C.

Touch Screen Controllers Feature Summary

• Integrates an Arm Cortex CPU for processing touch data
• Supports both I2C and SPI communication interfaces
• Operates on a wide voltage range from 1.71 V to 5.5 V
• Includes four dedicated ADC input channels

Touch Screen Controllers Applications

• Capacitive touchscreen controller applications
• Human-machine interface systems requiring CMOS input compatibility

Touch Screen Controllers Procurement Notes

Verify RoHS compliance status through official documentation before procurement. Confirm humidity sensitivity handling requirements during storage and assembly. Ensure the TQFP-100 package dimensions match the target PCB layout. Check for specific ordering suffixes that may affect availability or specifications.

Touch Screen Controllers Selection Notes

Select this component when a dedicated touchscreen controller with integrated processing capabilities is required. The 100-pin TQFP package suits designs needing multiple sensor connections. Verify that the 20 mA operating current fits the system power budget. Ensure the -40°C to +105°C operating range meets environmental constraints.

Touch Screen Controllers Part Context

This part belongs to the CYAT81682 series of TrueTouch controllers. It is manufactured by Infineon Technologies and utilizes a CMOS input structure. The device is categorized under touch screen controllers and data converter ICs, specifically designed for capacitive sensing applications.

Touch Screen Controllers Replacement Considerations

Consult official Infineon documentation for verified substitute part numbers. Do not assume cross-compatibility with other TrueTouch models without checking pinout and electrical parameter alignment.