SX9328ICSTRT传感器变送器的专用传感器规格书PDF中文资料

SX9328ICSTRT属于传感器变送器的专用传感器。由Semtech Corporation制造生产的SX9328ICSTRT专用传感器专用传感器是为特定要求或小众应用而设计的器件。传感器类型包括加速计、陀螺仪、磁力仪、压力、温度、湿度、光线、空气质量监测器、模数转换器、风速计、电池传感器、生物识别、气泡检测器、按钮按压、凸轮轴、电容性、接触传感器、深度计、干式接触传感器、指纹、力感应、气体、盖氏计数管、红外线、操纵杆和激光功率等。

Features

• ~1.8V Input Supply Voltage

• Up to 3 Capacitive Sensor Inputs

⬧ Capacitance Resolution down to 0.008fF

⬧ Capacitance Offset Compensation up to 180pF

⬧ Advanced Temperature Compensation

• Automatic Calibration

• Ultra Low Power Consumption

⬧ Active Mode: 22 uA

⬧ Doze Mode: 6 uA

⬧ Sleep Mode: 1.75 uA

• 400kHz I2C Serial Interface

⬧ 2 Sub-Addresses Selectable by Pin

• Programmable Interrupt or Real-Time Status Pin

• Two Reset Sources: POR, Soft Reset

• -40°C to +85°C Operation

• Compact Size: 0.92 x 1.69 mm WLCSP

package

• Pb & Halogen Free, RoHS/WEEE compliant

Applications

• Mobile Phones

• Tablets

• Notebooks

Description

The SX9328 is a capacitive Specific Absorption Rate

(SAR) controller.

The SX9328 can use any of its three sensor inputs to

detect an object. The resulting detection is then used in

portable electronic devices to reduce and control radiofrequency

(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 1.7 to

2V, the SX9328 outputs its data via I2C serial bus. The

I2C serial communication bus port is compatible with 1.8V

host control to report body detection/proximity and to

facilitate parameter settings adjustment. Upon proximity

detection, the NIRQ output asserts, enabling the user to

either determine the relative proximity distance, or simply

obtain an indication of detection.

The SX9328 includes an on-chip auto-calibration

controller that regularly performs sensitivity adjustments

to maintain peak performance over a wide variation of

temperature, humidity and noise environments, providing

simplified product development and enhanced

performance.