Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
| Product status | Active |
|---|---|
| Diameter / length [mm] | 3.5 |
| Width [mm] | 2.65 |
| Thickness[mm] | 1.26 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog_x000D_ Differential |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -44 (SE) / -38 (Diff.) |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 66 (SE) / 64.5 (Diff.) |
| AOP [dB] | 131.5 |
| Impedance [Ohm] | 380 |
The SPH8878LR5H-1 is a high-performance, bottom port analog silicon microphone, supporting both single-ended and differential modes. Using Knowles' proven high performance SiSonicTM MEMS technology, the SPH8878LR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. The microphone has a flat frequency response with low LFRO and phase distortion enabling superior noise cancelling algorithm performance. Its high, 67dB(A) SNR and 134 dB SPL AOP provides a large, distortion-free dynamic range for high- quality voice pickup.
| Product status | Active |
|---|---|
| Diameter / length [mm] | 3.5 |
| Width [mm] | 2.65 |
| Thickness[mm] | 1.26 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog_x000D_ Differential |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -44 (SE) / -38 (Diff.) |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 66 (SE) / 64.5 (Diff.) |
| AOP [dB] | 131.5 |
| Impedance [Ohm] | 380 |
The SPH8878LR5H-1 is a high-performance, bottom port analog silicon microphone, supporting both single-ended and differential modes. Using Knowles' proven high performance SiSonicTM MEMS technology, the SPH8878LR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. The microphone has a flat frequency response with low LFRO and phase distortion enabling superior noise cancelling algorithm performance. Its high, 67dB(A) SNR and 134 dB SPL AOP provides a large, distortion-free dynamic range for high- quality voice pickup.
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
| Product status | Active |
|---|---|
| Diameter / length [mm] | 3.5 |
| Width [mm] | 2.65 |
| Thickness[mm] | 1.26 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog_x000D_ Differential |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -44 (SE) / -38 (Diff.) |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 66 (SE) / 64.5 (Diff.) |
| AOP [dB] | 131.5 |
| Impedance [Ohm] | 380 |
The SPH8878LR5H-1 is a high-performance, bottom port analog silicon microphone, supporting both single-ended and differential modes. Using Knowles' proven high performance SiSonicTM MEMS technology, the SPH8878LR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. The microphone has a flat frequency response with low LFRO and phase distortion enabling superior noise cancelling algorithm performance. Its high, 67dB(A) SNR and 134 dB SPL AOP provides a large, distortion-free dynamic range for high- quality voice pickup.
Knowles is the originator of balanced armature technology which they apply to their receiver, specialty transducers and hearing aid products. Knowles is also a market-leading manufacturer of MEMS microphones, electret microphones, voice processors and acoustical component accessories.
Headquarters
SAS SELTECH
2, Allée des Cerisiers
F – 94042 Créteil FRANCE
Tel EU : +33 1 48 92 90 02
Tel NA : +1 (919) 481 6896
SELTECH is an international solution provider with deep expertise in acoustics and sensors. We offer innovative solutions to our customers’ challenges, from design to production.
