3.76 x 2.24 x 1.10 mm analog silicon microphone with N1 Sensor and C1 ASIC, top mounted, RoHS compliant.
SMO05A-42 – Silicon Microphone Component
Microphone Requirements
| Directivity | Omnidirectional |
| Sensitivity |
0dB = 1V/Pa, 1kHz -42dB ± 3dB |
| Operating Voltage range | 1.5V to 3.6V |
| Current Consumption | <=0.2mA |
| Frequency Range | 100Hz ~ 10KHz |
| 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 120dB |
| 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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