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Microphone
The Microphone reference design connects to an EZ-B ADC port, then ARC converts the voltage levels into sound data. We want to share these files with you so you can create your own!
Features
3.3V voltage regulator on-board
Full human audible range 20Hz-20kHz
Audio input to 2-stage amplified analog voltage output
Single supply amplifier
Green Power LED
Voltage requirements: 3.2-16V (3.3V typical)
Current draw: 1.2mA
Dimensions: 16.2(W) x 39.5(L) x 7.8(H) (mm)
Weight: 4g
Major Components
CMA-4544PF-W Analog condenser microphone (-44dB)
OPA2344UA/2K5 Opamp 1MHz
SPX3819M5-L-3-3/TR 3.3V Regulator
Manufacturing Notes
Manufacturer: Single side placement and soldering of SMT components
Manufacturer: Single Side soldering of THT component