3 x 4 x 1.2 mm analog silicon microphone, reverse mount, with differential mode output, sensitivity tolerance ±1dB, typical S/N 70dB, AOP 137dB, RoHS compliant.
SMO07C-38/1348 – Silicon Microphone Component
Microphone Requirements
| Directivity | Omnidirectional |
| Sensitivity |
0dB = 1V/Pa, 1kHz -38 ± 1dB |
| Operating Voltage range | 1.9V to 3.0V |
| Current Consumption | <= 250uA |
| Frequency Range | 100Hz ~ 10KHz |
| Output Impedance | <= 400Ω |
| S/N Ratio | 70dB (Typical) |
| Sensitivity Variation | 0.5dB |
| Operating Temperature Range | -40°C to +100°C |
| Storage Temperature Range | -40°C to +70°C |
| Maximum Operating Voltage | 3.0V |
| Maximum Input Sound Level |
for less than 10% distortion 137dB |
| Total Harmonic Distortion | <= 0.5% (at 94dB) |
| Solder Reflow | <= 260°C |
| Power Supply Rejection |
100mVp-p square wave, 217Hz, A-weighted -110dB 200mVp-p square wave, 1KHz 100dB |
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