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Product Detailed Parameters
- Description：MAXTOUCH 1664 CHANNEL TOUCH SENS
- Series：maXTouch™
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Touchscreen：2 Wire Capacitive
- Resolution (Bits)：-
- Interface：I2C, USB
- Voltage Reference：Internal
- Voltage - Supply：3.135V ~ 3.465V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：162-UFBGA
- Supplier Device Package：162-UFBGA (10x5)
- Current - Supply：-
- Grade：-
- Qualification：-
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Overview
The ATMXT1664TD-C2UREN1 is a maXTouch 1664-node touchscreen controller from Microchip Technology, designed for high-performance capacitive sensing. It supports up to 41 X and 71 Y lines, enabling tracking of 16 concurrent touches with a typical report rate of ≥110 Hz. The device operates on a 3.3V digital supply and 1.8V to 3.3V I/O voltage, featuring I2C and USB HID interfaces. It includes advanced algorithms for noise suppression, water compensation, and stylus support, housed in a 162-ball UFBGA package.
Feature Summary
- Supports up to 1664 nodes with 41 transmit and 71 receive lines for large touchscreens.
- Features I2C (up to 3.4 MHz) and USB HID interfaces for host communication.
- Includes moisture/water compensation and palm recovery algorithms for reliable operation.
- Provides encrypted configuration parameters and firmware authentication for security.
Applications
- On-cell and touch-on-display solutions for OLED and LCD panels.
- Discrete out-cell sensors using glass or PET film materials.
- Industrial and commercial displays requiring multi-touch and stylus input.
- Applications needing secure data storage and encrypted touch reports.
Procurement Notes
Verify the ordering suffix 'R' indicates tape and reel packaging, distinct from tray-supplied variants. Confirm interface requirements match the specific I2C or USB mode needed for the target system design.
Selection Notes
Select this model for designs requiring up to 1664 sensor nodes and 16-point multitouch. Ensure the PCB layout accommodates the 162-ball UFBGA package dimensions and pitch. Validate power supply constraints against the 3.3V analog and digital requirements.
Part Context
This component belongs to the maXTouch family, utilizing charge-transfer acquisition technology. It is part of the C2UEN series, indicating industrial temperature range and specific package type. The 'R' suffix denotes tape and reel availability for automated assembly.
Replacement Considerations
ATMXT1664TD-C2UEN1 is the tray-packaged equivalent. Verify pin compatibility and software configuration differences when substituting between tape and reel variants within the same device family.
