SX9306中文资料容性触摸屏控制器数据手册Semtech规格书

描述 Description

The SX9306 is an ultra-low power capacitive Specific Absorption Rate (SAR) controller that accurately discriminates between an inanimate object and human body proximity. The resulting detection is used in portable electronic devices to reduce and control radio-frequency (RF) emission power in the presence of a human body, enabling significant performance advantages for manufacturers of electronic devices with electro-magnetic radiation sources to meet stringent emission regulations'criteria and Specific Absorption Rate (SAR) standards. Operating directly from an input supply voltage of 2.7 to 5.5V, the SX9306 outputs its data via a 1.65 – 5.5V host compatible I2C serial bus.

特性 Features

·2.7 – 5.5V Input Supply Voltage
·Up to 4 Capacitive Sensor Inputs·Patented On-Chip Smart Engine for Human Detection and Advanced SAR Control
·High Resolution Capacitive Sensing down to 0.08fF
·Capacitance Offset Compensation up to 30pF
·Configurable Proximity Detection (single/combined)
·Integrated High Performance RF Shield for Enhanced Noise Immunity
·Extremely Low Temperature Drift for Stable Measurement
·Reduced VDD Ripple Susceptibility

·Active Sensor Guarding
·Automatic Calibration
·Ultra Low Power Consumption:·Active Mode:\t170 uA
·Doze Mode:\t\t18 uA
·Sleep Mode:\t2.5 uA

·400kHz I2C Serial Interface·Four programmable I2C Sub-Addresses
·Input Levels Compatible with 1.8V Host Processors

·Open Drain NIRQ Interrupt pin
·Up to Three Reset Sources: POR, Soft Reset, NRST
·-40°C to +85°C Operation
·1.63x1.23 mm WLCSP or 3x3mm Thin QFN package
·QFN version pin-to-pin compatible with SX9300/SX9500
·Pb & Halogen Free, RoHS/WEEE compliant

应用 Application

·SAR Compliant Systems
·Tablets/Phablets
·Mobile Phones
·Wearable Devices