ICS-43434 Brief Datasheet by TDK InvenSense

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InvenSense
ICS43434ProductBrief
MultiModeMicrophonewithI2SDigitalOutput
InvenSensereservestherighttochangethedetail
specificationsasmayberequiredtopermit
improvementsinthedesignofitsproducts.
InvenSenseInc.
1745TechnologyDrive,SanJose,CA95110U.S.A
+1(408)988–7339
www.invensense.com
DocumentNumber:PB000018
Revision:1.1
Rev.Date:05/16/2016
GENERALDESCRIPTION
TheICS43434isdigitalI2Soutputbottomportmicrophone.The
completeICS43434solutionconsistsofaMEMSsensor,signal
conditioning,ananalogtodigitalconverter,decimationand
antialiasingfilters,powermanagement,andanindustry
standard24bitI²Sinterface.TheI²Sinterfaceallowsthe
ICS43434toconnectdirectlytodigitalprocessors,suchasDSPs
andmicrocontrollers,withouttheneedforanaudiocodecinthe
system.
TheICS43434hasmultiplemodesofoperation:High
Performance,LowPower(AlwaysOn),andSleep.TheICS
43434hashighSNRand120dBSPLAOPinalloperational
modes.
TheICS43434hasahighSNRof64dBAandawideband
frequencyresponse.ThesensitivitytoleranceoftheICS43434
is±1dB,whichenableshighperformancemicrophonearrays
withouttheneedforsystemcalibration.
TheICS43434isavailableinasmall3.50mm×2.65mm×
0.98mmsurfacemountpackage.TheICS43434isfunction
compatiblewiththeICS43432whileprovidingequivalent
electroacousticperformanceatlowerpowerconsumption
andinasmallerpackage.
APPLICATIONS
Wearables
SmartTelevisions
RemoteControls
IoTDevices
TeleconferencingSystems
GamingConsoles
SecuritySystems
FEATURES
SPECHIGHPERFORMANCE
MODE
LOWPOWER
MODE
Sensitivity26dBFS±1dB−26dBFS±1dB
SNR64dBA64dBA
Current490µA230µA
AOP120dBSPL120dBSPL
SampleRate23
51.6kHz6.25
18.75kHz
DigitalI²Sinterfacewithhighprecision24bitdata
Widefrequencyresponsefrom60Hzto20kHz
Highpowersupplyrejection:−100dBFS
Small3.50mm×2.65mm×0.98mmsurfacemount
package
CompatiblewithSn/PbandPbfreesolderprocesses
RoHS/WEEEcompliant
FUNCTIONALBLOCKDIAGRAM

ORDERINGINFORMATION
PARTTEMPRANGEPACKAGING
ICS4343440°Cto+85°C13”Tape&Reel
EV_ICS43434FX
ICS43434
ADC FILTER
HARDWARE
CONTROL
I2S
SERIAL
PORT
POWER
MANAGEMENT
SCK
SD
WS
VDD
GND
LR

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