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Product Detailed Parameters
- Description：MAXTOUCH TD CTLR IC
- Series：maXTouch®
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Touchscreen：-
- Resolution (Bits)：-
- Interface：I2C, SPI
- Voltage Reference：Internal
- Voltage - Supply：3.3V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：114-UFBGA
- Supplier Device Package：114-UFBGA (7x5)
- Current - Supply：-
- Grade：-
- Qualification：-
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Overview
The ATMXT1066TD-C2UR001 is a maXTouch touchscreen controller IC from Microchip Technology, designed for high-performance capacitive sensing. It supports up to 1066 nodes across 41 X and 26 Y lines, enabling tracking of up to 16 concurrent touches with a typical report rate of ≥85 Hz. The device operates within an industrial temperature range of -40°C to +85°C and utilizes a 114-ball UFBGA package (7 × 5 × 0.65 mm). Key electrical specifications include a nominal digital/analog supply voltage of 3.3V and a digital I/O range of 1.8V to 3.3V.
Feature Summary
- Supports mutual and self capacitance measurements with moisture/water compensation for reliable touch detection.
- Features advanced noise suppression technology capable of handling up to 240 V PP ambient noise.
- Includes lens bending algorithms and palm recovery features to enhance user experience.
- Offers flexible interface options including I2C (up to 3.4 MHz) and HID-I2C.
Applications
- On-cell and touch-on-display implementations for TFT, LCD, and OLED panels.
- Systems requiring support for passive stylus input with 1.5 mm contact diameter.
- Applications necessitating operation through thick glass or multi-finger glove interfaces.
Procurement Notes
Verify the specific ordering suffix 'R' confirms tape and reel packaging rather than standard tray distribution. Confirm that the C2U package designation corresponds to the 114-ball UFBGA variant. Ensure compatibility with the required firmware revision 1.0.AA for intended functionality.
Selection Notes
Select this component when a maximum of 1066 sensor nodes is sufficient for the target display size. Consider the 114-ball UFBGA footprint constraints during PCB layout. Evaluate power requirements against the 3.3V analog and 1.8V-3.3V digital supply specifications.
Part Context
This part belongs to the mXT1066TD series, which includes both tray (C2U/NHU) and tape & reel (C2U/NHU-R) variants. The C2U suffix specifically denotes the 114-ball UFBGA package, distinguishing it from the 117-ball NHU package option available in the same product family.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult Microchip directly for cross-reference information or alternative components within the maXTouch portfolio.
