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The ATMXT228UD-MAU002 is a maXTouch UD Series touchscreen controller IC manufactured by Microchip Technology. It features 228 channels for touch detection and utilizes an I2C interface for communication. The device operates within a supply voltage range of 2.7 V to 3.47 V and offers a 12-bit resolution. It is designed for surface mount installation in an XQFN-56 package, supporting an operating temperature range from -40°C to +85°C.
Verify the specific ordering suffix MAU002 against the official Microchip datasheet to confirm package type and temperature grade. Confirm RoHS compliance status through the manufacturer's documentation before procurement. Check for any regional sales restrictions or shipping limitations associated with this specific part number.
Select this component when a 228-node touch solution with I2C connectivity is required. Ensure the application environment stays within the -40°C to +85°C operational limits. Verify that the system power supply can maintain the 2.7 V to 3.47 V range. Compare channel count requirements against other maXTouch UD variants if fewer nodes are sufficient.
This part belongs to the maXTouch UD Series, which provides multi-touch controllers for various display sizes. The ATMXT228UD variant specifically addresses applications requiring up to 228 touch nodes. It is distinct from automotive-grade versions like the ATMXT288UD-AMBSPIVAO, which may offer different interfaces or certifications.
Direct replacements include other ATMXT228UD variants with different suffixes if package or temperature specifications differ. Cross-reference with ATMXT224S series for similar node counts but verify interface compatibility.