CYAT81659-64AA48T

Overview

The CYAT81659-64AA48T is a capacitive slider controller from Infineon Technologies, part of the TrueTouch family. It operates within a supply voltage range of 1.71 V to 5.5 V and supports I2C and SPI interfaces. The device features a 32-bit resolution and functions in temperatures from -40°C to +85°C. Packaged in a TQFP-64 surface-mount format, it is designed for precise touch sensing applications requiring high resolution and flexible communication protocols.

Feature Summary

• Capacitive slider controller with 32-bit resolution
• Dual interface support: I2C and SPI
• Wide operating voltage range: 1.71 V to 5.5 V
• Industrial temperature range: -40°C to +85°C

Applications

• Capacitive touch slider interfaces
• Consumer electronics control panels
• Industrial user interface inputs

Procurement Notes

Verify component authenticity through authorized Infineon distributors or certified partners. Confirm RoHS compliance status via official documentation before integration. Check moisture sensitivity levels and storage conditions to ensure proper handling during assembly processes.

Selection Notes

Select this model when a dedicated capacitive slider solution with high resolution is required. Ensure system power supplies align with the 1.71 V to 5.5 V input range. Verify that the host microcontroller supports either I2C or SPI protocols for data exchange.

Part Context

This component belongs to the CYAT8165x series of TrueTouch controllers. It shares interface and voltage specifications with other members like the CYAT61652-64AS48 but differs in specific feature sets and automotive qualification status. The TQFP-64 package is common across several variants in this product line.

Replacement Considerations

Direct substitutes within the same series include CYAT81659 variants with different suffixes indicating packaging or temperature grades. Cross-series replacements require verification of pin compatibility and software driver support.