3.76 x 2.95 x 1.1 mm analog silicon microphone, top mounted, with RF filter, sensitivity tolerance ± 1dB, RoHS compliant.
SMO04A-42/1316 – Silicon Microphone Component
Microphone Requirements
| Directivity | Omnidirectional |
| Sensitivity |
0dB = 1V/Pa, 1kHz -42 ± 1dB |
| Operating Voltage range | 1.6V to 3.6V |
| Current Consumption | <= 0.2mA |
| Frequency Range | 100Hz ~ 10KHz |
| Output Impedance | <=300Ω |
| S/N Ratio | 59dB (Typical) |
| Sensitivity Variation | <= 0.5dB |
| Operating Temperature Range | -40°C to +100°C |
| Storage Temperature Range | -40°C to +70°C |
| Maximum Operating Voltage | 3.6V |
| Maximum Input Sound Level |
for less than 10% distortion 128dB |
| Total Harmonic Distortion | <= 0.5% (at 94dB) |
| Solder Reflow | <= 260°C |
| Power Supply Rejection |
100mVp-p square wave, 217Hz, A-weighted -98dB |
