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  • underlay image _0037_MD-HRA371-H10-3W.igs.jpg

  • MEMS

NA-FFA381-A10-1

The NA-FFA381-A10-1 is a high SNR, small package, single-ended output top port analog MEMS microphone, consists of a MEMS sensor and a low noise level ASIC

Features

  • 2.75x1.85x1.0mm Top Port

  • Small Package

  • High SNR

  • Narrow Sensitivity +/-1dB

  • RF Shielded

  • Compatible with Standard SMD Reflow Technology

  • RoHS Compliance & Halogen Free

Performance Parameters

ParameterSymbol
ConditionMin
Nom.
MaxUnit
SensitivitySf=1KHz, Pin=1Pa, 0dB=1V/Pa-39-38-37dB
Operating VoltageVDD
1.623.6V
Directivity

Omni-directional
Polarity
Sound pressure increaseOutput voltage increase
Sensitivity vs. VoltageΔSVs= 3.6V to 1.6V0.5dB
Output ImpedanceZOUTf=1kHz

400Ω
Current Consumption1I1.6 V to 3.6V
120200µA
S/N RatioS/NA-Weighted6264
dBA
Total Harmonic DistortionTHD94dB SPL @1KHz
0.110.5%
Total Harmonic DistortionTHD123dBSPL@1KHz
1
%
Acoustic Overload PoinAOPTHD 10%@1KHz
127
dBSPL
Power Supply RejectionPSR100mVpp Squarewave @217Hz, A-weighted
-105-95dB
Power Supply Rejection RatioPSRR200mVpp Sinewave @1KHz6072
dB
DC outputVDC

0.85
V
Output load
Cload


100pF
Output loadRload
8

KΩ

Note：Frequency response, sensitivity and current consumption are tested by 100% on product line.


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