Microphone Sensitivity Converter

mV/Pa

dB re. 1 V/Pa

dB re. 1 V/Pa = 20 * log10 ( mV/Pa / 1000 )

mV/Pa = 10^( dB re. 1 V/Pa / 20 ) * 0.00002

Sound Pressure Converter

Pa

dB SPL

dB SPL = 20 * log10( Pa / 0.00002 )

Pa = 10 ^ ( dB SPL / 20 ) * 0.00002

R1:
R2:
Quiescent Current (A):

Click image to fill in equation for above voltage divider