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SX9310 PDF预览

SX9310

更新时间: 2024-01-13 18:31:02
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商升特 - SEMTECH /
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描述
Ultra-Low Power Smart Proximity Sensor for SAR

SX9310 数据手册

 浏览型号SX9310的Datasheet PDF文件第2页 
SX9310  
Ultra-Low Power  
Smart Proximity Sensor for SAR  
WIRELESS & SENSING PRODUCTS  
Features  
Description  
•ꢀ  
2.7Vꢀ–ꢀ5.5Vꢀcoreꢀsupplyꢀ(VDD)  
TheꢀSX9310ꢀisꢀaꢀcapacitiveꢀSpecificꢀAbsorptionꢀRateꢀ(SAR)ꢀcontroller.ꢀꢀ  
TheꢀSX9310ꢀcanꢀuseꢀtwoꢀofꢀtheꢀthreeꢀsensorꢀinputsꢀcoupledꢀtoꢀ  
itsꢀsmartꢀengineꢀforꢀSARꢀtoꢀaccuratelyꢀdiscriminateꢀbetweenꢀanꢀ  
inanimateꢀobjectꢀandꢀhumanꢀbody.ꢀTheꢀthirdꢀsensorꢀinputꢀcanꢀbeꢀ  
usedꢀindependentlyꢀforꢀstandardꢀcapacitiveꢀsensing.  
Œꢀ 1.65Vꢀ–ꢀ2Vꢀhostꢀinterfaceꢀsupplyꢀ(SVDD)  
Œꢀ 1.65Vꢀ–ꢀ5.5Vꢀcompliantꢀhostꢀinterfaceꢀ(VPULL)  
UpꢀtoꢀthreeꢀSARꢀcapacitiveꢀsensorꢀinputsꢀ  
Œꢀ Patentedꢀon-chipꢀsmartꢀengineꢀforꢀSARꢀ(Bodyꢀversusꢀꢀ  
inanimateꢀobjectꢀdetection)  
•ꢀ  
Œꢀ Capacitanceꢀresolutionꢀdownꢀtoꢀ0.08fF  
Œꢀ Capacitanceꢀoffsetꢀcompensationꢀupꢀtoꢀ100pF  
Œꢀ IntegratedꢀRFꢀshield  
Œꢀ Advancedꢀtemperatureꢀcompensation  
Automaticꢀcalibration  
Theꢀresultingꢀdetectionꢀisꢀusedꢀinꢀportableꢀelectronicꢀdevicesꢀtoꢀ  
reduceꢀandꢀcontrolꢀradio-frequencyꢀ(RF)ꢀemissionꢀpowerꢀinꢀtheꢀ  
presenceꢀofꢀaꢀhumanꢀbody,ꢀenablingꢀsignificantꢀperformanceꢀ  
advantagesꢀforꢀmanufacturersꢀofꢀelectronicꢀdevicesꢀwithꢀelectro-  
magneticꢀradiationꢀsourcesꢀtoꢀmeetꢀstringentꢀemissionꢀregulations’ꢀ  
criteriaꢀandꢀSARꢀstandards.ꢀꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
Built-inꢀstartupꢀproximityꢀdetection  
Ultra-lowꢀpowerꢀconsumption  
Œꢀ Activeꢀmode:ꢀ70µA  
Œꢀ Dozeꢀmode:ꢀ8µA  
Œꢀ Sleepꢀmode:ꢀ2.5µA  
400kHzꢀI2Cꢀserialꢀinterface  
Programmableꢀinterruptꢀorꢀreal-timeꢀstatusꢀpin  
UserꢀNVMꢀforꢀcustomꢀdefaultꢀregistersꢀvaluesꢀ(Standaloneꢀmode)  
Twoꢀresetꢀsources:ꢀPORꢀandꢀsoftꢀreset  
-40°Cꢀtoꢀ+85°Cꢀoperation  
TheꢀSX9310ꢀoperatesꢀdirectlyꢀfromꢀanꢀinputꢀsupplyꢀvoltageꢀofꢀ2.7Vꢀtoꢀ  
5.5V,ꢀwhileꢀtheꢀI2Cꢀserialꢀcommunicationꢀbusꢀportꢀisꢀcompatibleꢀwithꢀ  
1.8Vꢀhostꢀcontrolꢀtoꢀreportꢀbodyꢀdetection/proximityꢀandꢀtoꢀfacilitateꢀ  
parameterꢀsettingsꢀadjustment.ꢀꢀUponꢀproximityꢀdetection,ꢀtheꢀNIRQꢀ  
outputꢀasserts,ꢀenablingꢀtheꢀuserꢀtoꢀeitherꢀdetermineꢀtheꢀrelativeꢀ  
proximityꢀdistance,ꢀorꢀsimplyꢀobtainꢀanꢀindicationꢀofꢀdetection.ꢀꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
TheꢀSX9310ꢀincludesꢀanꢀon-chipꢀauto-calibrationꢀcontrollerꢀthatꢀ  
regularlyꢀperformsꢀsensitivityꢀadjustmentsꢀtoꢀmaintainꢀpeakꢀ  
performanceꢀoverꢀaꢀwideꢀvariationꢀofꢀtemperature,ꢀhumidityꢀandꢀ  
noiseꢀenvironments,ꢀprovidingꢀsimplifiedꢀproductꢀdevelopmentꢀandꢀ  
CompactꢀSize:ꢀ1.362ꢀxꢀ1.332mmꢀWLCSPꢀpackage  
•ꢀ  
Pbꢀ&ꢀhalogenꢀfree,ꢀRoHS/WEEEꢀcompliant  
enhancedꢀperformance.  
Applications  
Ordering Information  
•ꢀ  
•ꢀ  
•ꢀ  
•ꢀ  
Mobileꢀphones  
Wearableꢀdevicesꢀ  
Tablets  
Part Number  
Package  
Marking  
Units/Reel  
SX9310ICSTRT  
SX9310EVKA  
WLCSP-9  
Eval.ꢀKit  
MO8B  
-
3000  
-
Notebooksꢀ  
•ꢀ  
Mobileꢀhotspots  
Typical Application Circuit  
V
DD  
RF Shield  
POR  
OSC  
SVDD  
CS1  
CS2  
Capacitive  
Sensing  
and ADC  
V
PULL  
Smart  
Engine  
SCL  
SENSORS  
SDA  
NIRQ  
HOST  
AUTO CAL &  
CONTROL  
GND  
SX9310  
SX9310  
Final Datasheet  
June 22, 2017  
1 of 2  
Semtech  
www.semtech.com  
Rev 2.0  

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