ATMXT1664S1-CU

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ATMXT1664S1-CU

IC SENSOR MAXTOUCH

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規格

Supplier Microchip Technology
Package Tray
Series maXTouch™
ProductStatus Active

概述

Description

ATMXT1664S1-CU is an Atmel/Microchip MXT family capacitive touch sensor controller. It offloads multi-channel capacitive sensing (buttons, sliders, wheels) from your main MCU and reports touch events over I2C. The device features self-calibration, noise rejection, configurable sensitivity and thresholds, and often proximity sensing and low‑power modes. The S1-CU suffix denotes a specific package/temperature option for the part. Typical applications include keypads, touch panels, and control surfaces in consumer electronics and appliances. For exact channel count, voltage ranges, timing, and the register map, consult the official MXT1664S1-CU datasheet and application notes on Microchip/Atmel’s website.

Features

Here are the typical features of ATMXT1664S1-CU (MXT touch controller) in brief:
- 16-channel capacitive touch sensing (mutual-capacitance) for buttons/keys
- I2C serial interface (host MCU communicates over I2C)
- Programmable per-channel thresholds, debounce, and sensitivity
- Auto-calibration with baseline drift compensation
- Noise filtering and EMI robustness; shield drive option
- Non-volatile memory to store calibration and configuration
- Low-power operation with wake-on-touch/standby modes
- Wide supply range and temperature tolerance (typical: 1.8–3.6 V, -40°C to 85°C)
- Compact CU package (surface-mount DFN/QFN-style footprint)
Notes: Exact package pinout and electrical limits may vary; refer to the official datasheet for precise specifications.

Package

QFN package. The -CU suffix indicates a QFN package; check the MXT1664S1-CU datasheet for exact dimensions (ball count and package size).

Pinout

- Pin count: 64 pins
- Function: Atmel/Microchip MXT MaXTouch capacitive touch controller for multi‑touch sensing; scans touch electrodes and reports results over a serial interface (I2C).

Manufacturer

- Manufacturer: Microchip Technology Inc. (the Atmel brand, acquired in 2016).
- What kind of company: An American multinational semiconductor company that designs and manufactures microcontrollers, memory, analog, and touch-sensing devices (embedded control solutions).

Application

Applications of ATMXT1664S1-CU:
- Capacitive touch buttons/keypads, sliders and wheels
- Proximity sensing and gesture control
- Human–machine interfaces in consumer electronics (remotes, TVs, set-top boxes, appliances)
- Automotive touch panels and dashboards
- Industrial control panels
- Wearables and medical devices
- Kiosks, vending machines, and interactive displays

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