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  • MEMS

MD-DRA371-H10

The MD-DRA371-H10 is a high SNR, high AOP and multi Mode bottom port digital MEMS microphone with 1-bit PDM output, consists of a MEMS sensor and a low noise level amplifier, and a ∑-△ modulator.

Features

  • 4.0x3.0x1.2mm Bottom Port

  • 1-bit PDM Output

  • Narrow Sensitivity +/-1dB

  • High SNR of 70dBA

  • High AOP of 128dBSPL

  • Flat Frequency Performance

  • Multi Mode(Sleep,Low power,Normal)

  • Compatible with Standard SMD Reflow Technology

  • RoHS Compliance & Halogen Free

Performance Parameters

Symbol
Dtion
Min
Nom.
MaxUnit
FCLKClock Frequency1.22.43.3MHz
IDDSupply Current1
10001100uA
SSensitivity3,94dBSPL@1KHz-38-37-36dBFS2
S/N20-8KHz Bandwidth, A-weighted
70
dB(A)
THD94dB SPL @1KHz
0.100.5%
113dBSPL@1KHz
1
%
AOP10%THD@1KHz
128
dBSPL
PSR

Measured with 217Hz

100mVpp squarewave


-97-90dBFS
Note：Frequency response, sensitivity and current consumption are tested by 100% on product line.


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