IQS269A数据手册集成电路（IC）的传感器检测器接口规格书PDF

描述 Description

The IQS269A ProxFusion® IC is an 8-channel self/mutual-capacitive proximity and touch controller with best in class sensitivity, signal to noise ratio and power consumption. In addition, the device offers mixed sensing abilities such as Hall-effect and inductive sensing.  Other features include automatic tuning and differential offset compensation for sense electrodes.

特性 Features

• Highly flexible 8-channel ProxFusion® controller\r
• Each channel can be configured with connections to up to 8 external connections OR one internal option\r
• 8 external sensor pad connections:\r
• Self/Mutual-Capacitive sensors\r
• Self/Mutual-Inductive sensors\r
• Dedicated reference sensor mode for environmental / mechanically sensitive designs\r
• Internal sensor option:\r
• Hall sensor\r
• Serial scanning (Single ProxFusion® engine) – up to 8 time-slots\r
• Built-in basic functions:\r
• Automatic tuning\r
• Noise filtering\r
• Differential measurements (reference channels)\r
• Debounce & hysteresis\r
• Dual direction trigger indication\r
• Built-in user-interface options\r
• Slider (up to 8 elements each) with co-ordinate output, flick/swipe/tap detection\r
• Up to two sliders may be defined\r
• Integrated measurement set for capacitance calculation\r
• Wide Range of Capacitance Detection, Wide Electrode Range of 0 to 200 pF\r
• Multiple custom signal level event triggers (e.g. proximity, deep proximity, touch, deep touch)\r
• Capacitive resolution: down to 0.02fF\r
• Automatic reference channel UIs for temperature and mechanical effects. Assign a reference channel to any single or group of sensing channels\r
• Options for reduced RF emissions for integration in RF sensitive environments (wide range of charge transfer frequency options)\r
• I2C Interface with IRQ (RDY) line\r
• Event mode (including reduced interrupt options: blocking & hysteresis)\r
• Assign a touch flag state of any channel to a dedicated GPIO (default: active low, open drain)\r
• Dedicated address selection pin\r
• Special pre-programmed options:\r
• Standalone operation on power-up (low-power single button touch)\r
• Active high output (push-pull)\r
• Timed long-press output (pulse after 5 second touch)\r
• Supply voltage: 1.8V (-2%) to 3.6V\r
• Package options: DFN16 (3 x 3 x 0.8mm), WLCSP-16 (1.65 x 1.65 x 0.5mm)

应用 Application

• True Wireless Stereo\r
• SAR compliance in mobile devices\r
• Wear detection\r
• Multi-slider & button designs\r
• Low power wake-up buttons / proximity\r
• HALL dock detection

简介

IQS269A属于集成电路（IC）的传感器检测器接口。由制造生产的IQS269A传感器和检测器接口该系列产品可执行信号调节、数据转换、激励生成和/或各种将传感器或变送器机构连接到主机设备所需的其他功能。示例包括用于 CCD 图像传感器的控制器、用于 4-20 mA 接口和类似应用的电流变送器、超声变送器前端、惠斯通电桥接口等。