SX9310EVKA [SEMTECH]

Ultra-Low Power Smart Proximity Sensor for SAR;


型号：	SX9310EVKA
厂家：	SEMTECH CORPORATION
描述：	Ultra-Low Power Smart Proximity Sensor for SAR
文件：	总2页 (文件大小：210K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

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.

ꢀ 1.65Vꢀ–ꢀ2Vꢀhostꢀinterfaceꢀsupplyꢀ(SVDD)

ꢀ 1.65Vꢀ–ꢀ5.5Vꢀcompliantꢀhostꢀinterfaceꢀ(VPULL)

UpꢀtoꢀthreeꢀSARꢀcapacitiveꢀsensorꢀinputsꢀ

ꢀ Patentedꢀon-chipꢀsmartꢀengineꢀforꢀSARꢀ(Bodyꢀversusꢀꢀ

inanimateꢀobjectꢀdetection)

•ꢀ

ꢀ Capacitanceꢀresolutionꢀdownꢀtoꢀ0.08fF

ꢀ Capacitanceꢀoﬀsetꢀcompensationꢀupꢀtoꢀ100pF

ꢀ IntegratedꢀRFꢀshield

ꢀ Advancedꢀtemperatureꢀcompensation

Automaticꢀcalibration

Theꢀresultingꢀdetectionꢀisꢀusedꢀinꢀportableꢀelectronicꢀdevicesꢀtoꢀ

reduceꢀandꢀcontrolꢀradio-frequencyꢀ(RF)ꢀemissionꢀpowerꢀinꢀtheꢀ

presenceꢀofꢀaꢀhumanꢀbody,ꢀenablingꢀsigniﬁcantꢀperformanceꢀ

advantagesꢀforꢀmanufacturersꢀofꢀelectronicꢀdevicesꢀwithꢀelectro-

magneticꢀradiationꢀsourcesꢀtoꢀmeetꢀstringentꢀemissionꢀregulations’ꢀ

criteriaꢀandꢀSARꢀstandards.ꢀꢀ

•ꢀ

Built-inꢀstartupꢀproximityꢀdetection

Ultra-lowꢀpowerꢀconsumption

ꢀ Activeꢀmode:ꢀ70µA

ꢀ Dozeꢀmode:ꢀ8µA

ꢀ 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

•ꢀ

Mobileꢀhotspotsꢀ

Typical Application Circuit

RF Shield

POR

OSC

SV^DD

CS1

CS2

Capacitive

Sensing

and ADC

PULL

Smart

Engine

SCL

SENSORS

SDA

NIRQ

HOST

AUTO CAL &

CONTROL

GND

SX9310

Final Datasheet

June 22, 2017

1 of 2

Semtech

www.semtech.com

Rev 2.0

Important Notice

Information relating to this product and the application or design described herein is believed to be reliable, however such information is provided

as a guide only and Semtech assumes no liability for any errors in this document, or for the application or design described herein. Semtech reserves

the right to make changes to the product or this document at any time without notice. Buyers should obtain the latest relevant information before

placing orders and should verify that such information is current and complete. Semtech warrants performance of its products to the speciﬁcations

applicable at the time of sale, and all sales are made in accordance with Semtech’s standard terms and conditions of sale.

SEMTECH PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT APPLICATIONS,

DEVICES OR SYSTEMS, OR IN NUCLEAR APPLICATIONS IN WHICH THE FAILURE COULD BE REASONABLY EXPECTED TO RESULT IN PERSONAL INJURY,

LOSS OF LIFE OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. INCLUSION OF SEMTECH PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD

TO BE UNDERTAKEN SOLELY AT THE CUSTOMER’S OWN RISK. Should a customer purchase or use Semtech products for any such unauthorized

application, the customer shall indemnify and hold Semtech and its oﬃcers, employees, subsidiaries, aﬃliates, and distributors harmless against

all claims, costs damages and attorney fees which could arise.

The Semtech name and logo are registered trademarks of the Semtech Corporation. All other trademarks and trade names mentioned may be

marks and names of Semtech or their respective companies. Semtech reserves the right to make changes to, or discontinue any products described

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Contact Information

Semtech Corporation

Wireless & Sensing Products

200 Flynn Road, Camarillo, CA 93012

Phone: (805) 498-2111, Fax: (805) 498-3804

www.semtech.com

SX9310

Final Datasheet

June 22, 2017

2 of 2

Rev 2.0

Semtech

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