3.76 x 2.95 x 1.10 mm analog silicon microphone with N1 Sensor and C1 ASIC, reverse mounted, RoHS compliant.
SMO04C-38 – Silicon Microphone Component
Microphone Requirements
| Directivity | Omnidirectional |
| Sensitivity |
0dB = 1V/Pa, 1kHz -38 ± 3dB |
| Operating Voltage range | 1.5V to 3.6V |
| Current Consumption | <= 100uA |
| Frequency Range | 100Hz ~ 10KHz |
| Output Impedance | <=300Ω |
| S/N Ratio | 60dB (Min.) 63dB (Typ.) |
| 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 10% distortion 120dB |
| Total Harmonic Distortion | <= 1% (at 94dB) |
| Solder Reflow | <= 260°C |
| Power Supply Rejection |
100mVp-p square wave, 217Hz, A-weighted -80dB |
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