描述 Description

The SX8674, SX8675 and SX8676 belong to a family of high performance haptics enabled multitouch 4/5-wire resistive touch screen controller with proximity detection, optimized for hand held applications such as mobile phones, portable music players, game machines, point-of-sales terminal and other consumer and industrial applications. They feature a wide input supply range from 2.3V to 3.6V.

特性 Features

·Low Voltage Operation·2.3V to 3.6V Supply
·Integrated Low Drop Out (LDO) Regulator

·Low Power Consumption·30uA@2.3V 8ksps (ESR)
·0.4uA Shut-Down Current

·4/5-Wire Touchscreen Interface·Precision, Ratiometric 12-bit ADC
·Up to 5000 (X-Y) coordinates/second (c/s)
·Programmable Digital Filtering/Averaging
·Touch Pressure Measurement (4-Wire)
·Programmable Operating Mode (Manual,
·Pen Detect, Pen Trigger)

·Capacitive Proximity Sensing (SX8674/76)·No Additional Components Required
·Uses Resistive Touchscreen or a Simple
·Conductive Area as the Sensor
·>5 cm Detection Distance
·8uA @ 200ms Scan Period
·Fully Programmable (Sensitivity, etc)
·Haptics Driver for LRA and ERM (SX8674/75)
·Haptics Waveform Generation Control (I2C or PWM Input)
·Short Circuit Protection
·Early Warning and Over-Temperature
·Monitoring and Protection

·400kHz I2C Serial Interface
·Several Host Operating Modes Available·Maskable Interrupt Output (NIRQ)
·Real-time Events Monitoring (AUX1-3)
·Polling (I2C)

·Hardware, Software, and Power-On Reset
·-40°C to +85°C Operating Temperature Range
·15kV HBM & IEC ESD Protection
·Small Footprint Packages
·AEC-Q100 Qualified Part
·Pb & Halogen Free, RoHS/WEEE compliant

應(yīng)用 Application

·Game Machines, Portable Music Players
·Mobile Phones
·DSC, DVR, Phones
·POS/POI Terminals
·Touch-Screen Monitors

簡介

SX8675屬于集成電路（IC）的觸摸屏控制器。由制造生產(chǎn)的SX8675觸摸屏控制器觸摸屏控制器是一種集成電路，可在觸摸屏傳感器陣列與屏幕操作的設(shè)備之間提供接口。該控制器從傳感器陣列（通常是電阻式或電容式）接收位置信息。然后，位置信息又通過串行、并行、USB 或 UART 接口傳遞給微控制器。