Smart Module Series
SC606T Series Hardware Design
SC606T_Series_Hardware_Design 68 / 116
3.20.1. Reference Design for Microphone Interfaces
MIC1_P
ECM-MIC
R2
R1
Module
D1
MIC1_N
33 pF
C1
0R
0R
R3
0R
Figure 24: Reference Design for Analog ECM-type Microphone
MIC3_P
33 pF
MEMS-MIC
R2
R1
C2
Module
MIC_ GND
0R
C1
MIC_ BIAS
1
2
3
4
F1
D1
OUT
GND
GND
VDD
100 pF
C4
0R
33 pF
Figure 25: Reference Design for MEMS-type Microphone