SMO03A-42 – Silicon Microphone Component

4.72 x 3.76 x 1.25 mm analog silicon microphone with N1 Sensor and C1 ASIC, top mounted, RoHS compliant.

Microphone Requirements
Directivity Omnidirectional
Sensitivity 0dB = 1V/Pa, 1kHz
-42dB ± 3dB
Operating Voltage range 1.5V to 3.6V
Current Consumption <= 200uA
Frequency Range 100Hz ~ 7KHz
Output Impedance <=300Ω
S/N Ratio >= 58dB (Typical) >= 55dB (Minimum)
Sensitivity Variation <= 0.5dB
Operating Temperature Range -40°C to +100°C
Storage Temperature Range -40°C to +125°C
Maximum Operating Voltage 3.6V
Maximum Input Sound Level for less than 5% distortion
Total Harmonic Distortion 0.5% (at 94dB)
Solder Reflow <= 260°C
Power Supply Rejection 100mVp-p square wave, 217Hz, A-weighted
-70dB (Typical)

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SKU: SMO03A-42 Categories: , ,