NSC6360:MEMSMicrophonePreamp
NOVOSENSE
Datasheet(EN)1.4
ProductOverview
TheNSC6360isadigitalpre-amplifierwithPDMoutputforMEMSMicrophone.TheNSC6360has
integratedlownoisebiascircuitforMEMSmicrophone,highperformanceanalogpre-amplifierdeliver
thegenuinesoundqualityandan∑-?modulatorbasedA/Dconverter.Bothofthebiasvoltageandthegain
canbeadjustedbytheinternalOTP,sotheNSC6360cansupportdifferentMEMStransducerswith
differentparameters,whichalsoimprovestheyieldandprovidebetterconsistencyofsensitivity.The
NSC6360isa7-pinchipincludesaSELpinforselectingdataassertingclockedge.Theprogrammingof
theNSC6360canbedoneusingtheone-wire-interfacesharedbytheSELFpin.TheNSC6360supports
dynamiccurrentbiasingbasedontheinputclockfrequencythusitcanbeusedindifferentpowermodes.
KeyFeatures
1.6V~3.6V
?OperatingVoltage
?WorkModeSleepMode,LowpowermodeandNormalMode
300uA@768kHz,800uA@2.4MHz.
?CurrentConsumption
4.5μVrms(-107dBV,a-weight)
?Inputequivalentnoise
9~17dBFS/dBVrmswith0.6dB/Step
?Gain(OTPtrimming)
7.6V~15.9Vwith1.18V/Step
?BiasVoltage
?DataselectionRisingedgeandfallingedge
-40oC~85oC
?Operatingtemperature
Chip(Wafer)
?Package
Applications
?PDMoutputMEMSMicrophone
Block
Diagram
Index
Page1
NSC6360
1.0ABSOLUTEMAXIMUMRATINGS3
2.0ELECTRICALCHARACTERISTICS3
3.0FUNCTIONDESCRIPTION5
3.1.I/OTIMING5
3.2.TYPICALAPPLICATIONCI