SX8658中文资料Haptics Enabled 4/5-Wire Resistive Touchscreen Controller with Proximity Sensing数据手册Semtech规格书

描述 Description

The SX8657 and SX8658 belong to a family of high performance haptics enabled 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-ofsales 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 (SX8657)
• 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 (SX8657/58)
• Supports Immersion TouchSense® 3000 haptic control software
• 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

应用 Application

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