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] | 2.75 |
| Width [mm] | 1.85 |
| Thickness[mm] | 0.9 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog_x000D_ Unity Gain |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -42 |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 64.5 |
| AOP [dB] | 134 |
| Impedance [Ohm] | <400 |
knowles.com | DATASHEET SPV21A0LR5H-1 Rev A
© 2021, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
The SPV21A0LR5H-1 is a miniature, high-performance, low power, matched sensitivity bottom port silicon microphone. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPV21A0LR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. 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.
| Product status | Preferred |
|---|---|
| Diameter / length [mm] | 2.75 |
| Width [mm] | 1.85 |
| Thickness[mm] | 0.9 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog_x000D_ Unity Gain |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -42 |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 64.5 |
| AOP [dB] | 134 |
| Impedance [Ohm] | <400 |
knowles.com | DATASHEET SPV21A0LR5H-1 Rev A
© 2021, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
The SPV21A0LR5H-1 is a miniature, high-performance, low power, matched sensitivity bottom port silicon microphone. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPV21A0LR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. 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.
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] | 2.75 |
| Width [mm] | 1.85 |
| Thickness[mm] | 0.9 |
| Port location | Bottom |
| Directivity | Omnidirectional |
| Output format | Analog_x000D_ Unity Gain |
| Sensitivity @ 1kHz [dBV re. 1V/Pa] or dBFs | -42 |
| Sensitivity Tolerance[± dB] | 1 |
| SNR [dB] | 64.5 |
| AOP [dB] | 134 |
| Impedance [Ohm] | <400 |
knowles.com | DATASHEET SPV21A0LR5H-1 Rev A
© 2021, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
The SPV21A0LR5H-1 is a miniature, high-performance, low power, matched sensitivity bottom port silicon microphone. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPV21A0LR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. 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.
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.
