ICS-41350 Product Brief Datasheet by TDK InvenSense

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InvenSense
ICS41350ProductBrief
BottomPortPDMLowPowerMultiMode
MicrophoneWithHighAOPMode
InvenSensereservestherighttochangethedetail
specificationsasmayberequiredtopermit
improvementsinthedesignofitsproducts.
InvenSenseInc.
1745TechnologyDrive,SanJose,CA95110U.S.A
+1(408)988–7339
www.invensense.com
DocumentNumber:PB000021
Revision:1.0
RevDate:02/17/2016
GENERALDESCRIPTION
TheICS41350isalowpower,lownoisedigitalMEMS
microphoneinasmallpackage.TheICS41350consistsofa
MEMSmicrophoneelementandanimpedanceconverter
amplifierfollowedbyafourthorderΣ‐Δmodulator.Thepulse
densitymodulated(PDM)interfaceallowstwomicrophones
tobetimemultiplexedonadatalineusingasingleclock.
TheICS41350hasmultiplemodesofoperation:High
Performance,LowPower(AlwaysOn),StandardandSleep.
TheICS41350haslowpowerandhighSNRinalloperational
modes.Ithas126dBSPLAOPinHighPerformancemode,and
120dBSPLAOPinStandardandLowPowermodes.
TheICS41350supportsultrasoundapplicationsinHigh
PerformanceMode.Ithasanextendedultrasonicresponseupto
40kHzwithhighSNR.
TheICS41350isavailableinasmall3.5×2.65×0.98mm
surfacemountpackage.Itisreflowsoldercompatiblewith
nosensitivitydegradation.
APPLICATIONS
Smartphones
MicrophoneArrays
Tablets
Cameras
BluetoothHeadsets
NotebookPCs
SecurityandSurveillance
FEATURES
SPEC LOWPOWER
MODE
STANDARD
MODE
HIGH
PERFORMANCE
MODE
Sensitivity 26 dBFS ±1dB−26dBFS ±1dB 32 dBFS ±1dB
SNR 63 dBA64dBA 64 dBA
Current 185 µA430µA 650 µA
AOP 120dBSPL120dBSPL 126 dBSPL
Clock 400
800kHz1.0
3.3MHz 4.1
4.8MHz
3.5×2.65×0.98mmsurfacemountpackage
Lowpower:185µAinLowPowerMode
Extendedfrequencyresponsefrom50Hzto>20kHz
Ultrasoundsupportupto40kHz
SleepMode:12µA
Highpowersupplyrejection(PSR):−97dBFS
FourthorderΣ‐Δmodulator
Digitalpulsedensitymodulation(PDM)output
CompatiblewithSn/PbandPbfreesolderprocesses
RoHS/WEEEcompliant
FUNCTIONALBLOCKDIAGRAM
ORDERINGINFORMATION
PART TEMPRANGEPACKAGING
ICS41350 40°Cto+85°C13”TapeandReel
EV_ICS41350FX
ICS41350
ADC
POWER
MANAGEMENT
CLK
DAT
A
VDD
GND
PDM
MODULATOR
CHANNEL
SELECT
SELECT

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