MEMS (Micro-Electro-Mechanical Systems) microphones are advanced miniature devices essential in mobile, ear, IoT, and automotive applications. As industry leaders, we offer microphones that feature ultra-compact sizes, low profiles, and various mounting options to suit diverse design requirements. Our microphones deliver high-quality audio with increased output capacities and digital solutions that minimize analog noise.
| Product status | EOL |
|---|---|
| Brand | Syntiant |
| Diameter / length [mm] | 3.5 |
| Width [mm] | 2.65 |
| Thickness [mm] | 0.98 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Digital PCM (I2S) |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -26 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 65 |
| AOP [dB] | 120 |
| Impedance [Ohm] | NA |
The SPH0645LM4H-B is a Bottom port MEMS Microphone, Digital PCM (I2S) output, featuring a SNR of 65 dB, an AOP of 120 dB SPL and a LFRO of 55 Hz.
| Product status | EOL |
|---|---|
| Brand | Syntiant |
| Diameter / length [mm] | 3.5 |
| Width [mm] | 2.65 |
| Thickness [mm] | 0.98 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Digital PCM (I2S) |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -26 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 65 |
| AOP [dB] | 120 |
| Impedance [Ohm] | NA |
The SPH0645LM4H-B is a Bottom port MEMS Microphone, Digital PCM (I2S) output, featuring a SNR of 65 dB, an AOP of 120 dB SPL and a LFRO of 55 Hz.
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 | EOL |
|---|---|
| Brand | Syntiant |
| Diameter / length [mm] | 3.5 |
| Width [mm] | 2.65 |
| Thickness [mm] | 0.98 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Digital PCM (I2S) |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -26 |
| Sensitivity Tolerance [± dB] | 3 |
| SNR [dB] | 65 |
| AOP [dB] | 120 |
| Impedance [Ohm] | NA |
The SPH0645LM4H-B is a Bottom port MEMS Microphone, Digital PCM (I2S) output, featuring a SNR of 65 dB, an AOP of 120 dB SPL and a LFRO of 55 Hz.
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.
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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.
