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 | Preferred |
|---|---|
| Diameter / length [mm] | 4 |
| Width [mm] | 3 |
| Thickness[mm] | 1 |
| Port location | Top |
| Directivity | Omnidirectional |
| Output format | Digital |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -26 |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 64.5 |
| AOP [dB] | 120 |
| Impedance [Ohm] | NA |
The SPK0641HT4H-1 is a miniature, high-performance, low power, top port silicon digital microphone with a single-bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPK0641HT4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. The high Signal-to-Noise Ratio (SNR) of the SPK0641HT4H-1 enhances the performance of far-field applications and many complex, multi-microphone algorithms. In addition, the SPK0641HT4H-1 offers multiple performance modes.
| Product status | Preferred |
|---|---|
| Diameter / length [mm] | 4 |
| Width [mm] | 3 |
| Thickness[mm] | 1 |
| Port location | Top |
| Directivity | Omnidirectional |
| Output format | Digital |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -26 |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 64.5 |
| AOP [dB] | 120 |
| Impedance [Ohm] | NA |
The SPK0641HT4H-1 is a miniature, high-performance, low power, top port silicon digital microphone with a single-bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPK0641HT4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. The high Signal-to-Noise Ratio (SNR) of the SPK0641HT4H-1 enhances the performance of far-field applications and many complex, multi-microphone algorithms. In addition, the SPK0641HT4H-1 offers multiple performance modes.
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 | Preferred |
|---|---|
| Diameter / length [mm] | 4 |
| Width [mm] | 3 |
| Thickness[mm] | 1 |
| Port location | Top |
| Directivity | Omnidirectional |
| Output format | Digital |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -26 |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 64.5 |
| AOP [dB] | 120 |
| Impedance [Ohm] | NA |
The SPK0641HT4H-1 is a miniature, high-performance, low power, top port silicon digital microphone with a single-bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPK0641HT4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. The high Signal-to-Noise Ratio (SNR) of the SPK0641HT4H-1 enhances the performance of far-field applications and many complex, multi-microphone algorithms. In addition, the SPK0641HT4H-1 offers multiple performance modes.
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.
