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All Products > Sensors > Audio Sensors > MEMS Microphones

MEMS Microphones

Home » Applications & Technologies » Audio » Microphone Preamplifiers

Microphone Preamplifiers for Audio Applications

A microphone pre-amplifier boosts signals, typically to line-level (the level needed to transmit analog signals point-to-point, between devices.) Further amplification may be necessary. The noise performance of a pre-amp is critical since the final signal-to-noise ratio of downstream amplifiers can be magnified. For an audio input application, such as microphones, the pre-amp is physically mounted near the sensor that feeds it, to reduce noise and interference.  Learn More

Category   Sensors >  Audio Sensors >  MEMS Microphones

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STMicroelectronics MP34DT01TR
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511-MP34DT01TR


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STMicroelectronics MEMS Microphones MEMS Audio 120 dBSPL 63dB -26 dBFS Sensor
Data Sheet 38,552
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- 26 dB 3 dB 63 dB 100 Hz to 10 kHz 0.6 mA Top 4 mm 3 mm 1 mm 1.8 V
Knowles SPU0414HR5H-SB
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721-SPU0414HR5H-SB


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Knowles MEMS Microphones MIC MEMS ANALOG OMNI -22DB
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- 22 dB 59 dB 400 Ohms 100 Hz to 10 kHz 220 uA Analog 3.76 mm 2.95 mm 1.2 mm 1.5 V to 3.6 V
STMicroelectronics MP23AB02BTR
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511-MP23AB02BTR


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STMicroelectronics MEMS Microphones AUDIO MEMS
Page 445

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- 38 dB 64 dBA 3.35 mm 2.5 mm 0.98 mm 1.6 V to 3.6 V
Knowles SPH0641LU4H-1
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SPH0641LU4H-1

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Knowles MEMS Microphones DIG MEMs Mic, BP, Multimode,Ultrasonic
Data Sheet 5,797
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- 26 dB 1 dB 64.3 dB - 10 Hz to 80 kHz 620 uA Digital, PDM Bottom 3.5 mm 2.65 mm 0.98 mm 1.62 V to 3.6 V
Cirrus Logic WM7132PIMSE/RV
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238-WM7132PIMSERV


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Cirrus Logic MEMS Microphones Analogue MEMS Mic - Bottom Port
Data Sheet 4,993
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- 38 dB 1 dB 65 dB 100 Ohms 62 Hz to 12.5 kHz 200 uA Analog Bottom 3.76 mm 3 mm 1.1 mm 1.5 V to 3.7 V
Knowles SPH0645LM4H-B
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SPH0645LM4H-B

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Knowles MEMS Microphones DIG MEMs Mic, BP w/ I2S output
Data Sheet 5,884
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- 26 dB 1 dB 65 dB - 10 Hz to 10 kHz 600 uA Digital, I2S Bottom 3.5 mm 2.65 mm 0.98 mm 1.62 V to 3.6 V
STMicroelectronics MP33AB01HTR
511-MP33AB01HTR


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STMicroelectronics MEMS Microphones MEMS Audio SM 125dBSPL 63dB
Page 445

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3,024
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- 38 dB 100 Hz to 10 kHz 0.25 mA 3.76 mm 2.95 mm 1 mm 2.2 V
STMicroelectronics MP45DT02TR
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511-MP45DT02TR


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STMicroelectronics MEMS Microphones MEMS Audio Sensor Omni MIC 120dBSPL
Page 445

Data Sheet
3,533
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- 23 dB 4.77 mm 3.81 mm 1.375 mm 1.64 V to 3.6 V
STMicroelectronics MP34DB01TR
511-MP34DB01TR


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STMicroelectronics MEMS Microphones MEMS audio sen omni direction dig mphone
Data Sheet 3,456
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- 26 dB 0.65 mA 4 mm 3 mm 1 mm 1.8 V
Knowles SPV1840LR5H-B
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721-SPV1840LR5HB


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SPV1840LR5H-B

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Knowles MEMS Microphones Analog High Perf Low Power
Data Sheet 5,456
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- 38 dB 62.5 dB 290 Ohms 60 uA Analog 2.75 mm 1.85 mm 0.9 mm 1.5 V to 3.6 V
Knowles SPU0410LR5H-QB
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721-SPU0410LR5H-QB


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Knowles MEMS Microphones MIC MEMS ANALOG OMNI -38DB
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- 38 dB 63 dB 400 Ohms 100 Hz to 10 kHz 160 uA Analog 3.76 mm 3 mm 1.23 mm 1.5 V to 3.6 V
Knowles SPU0410HR5H-PB
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721-SPU0410HR5H-PB


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Knowles MEMS Microphones MIC MEMS ANALOG OMNI -42DB
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- 42 dB 59 dB 300 Ohms 100 Hz to 10 kHz 250 uA Analog 3.76 mm 2.95 mm 1.2 mm 1.5 V to 3.6 V
Knowles SPV0840LR5H-B
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721-SPV0840LR5H-B


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Knowles MEMS Microphones MIC MEMS ANALOG OMNI -38DB
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- 38 dB 62.5 dB 400 Ohms 100 Hz to 10 kHz 60 uA Analog 2.75 mm 1.85 mm 1 mm 1.5 V to 3.6 V
Knowles SPW2430HR5H-B
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SPW2430HR5H-B

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Knowles MEMS Microphones MEMS Microphone
Data Sheet 5,530
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- 42 dB 59 dB 450 Ohms 110 uA Analog 3.1 mm 2.5 mm 1 mm 1.5 V to 3.6 V
Knowles SPH0611LR5H-1
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721-SPH0611LR5H-1


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SPH0611LR5H-1

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Knowles MEMS Microphones Precision High-SNR SiSonic MEMs Mic
Page 2,811

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2,267
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- 38 dB 65 dB 400 Ohms 100 Hz to 10 kHz 185 uA Analog 3.5 mm 2.65 mm 1.08 mm 1.5 V to 3.6 V
Knowles SPM0408LE5H-TB
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721-SPM0408LE5H-TB


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Knowles MEMS Microphones MIC MEMS ANALOG OMNI -18DB
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- 18 dB 63 dB 200 Ohms 100 Hz to 10 kHz 350 uA Analog 4.72 mm 3.76 mm 1.35 mm 1.5 V to 3.6 V
Knowles SPK0415HM4H-B
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721-SPK0415HM4H-B


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Knowles MEMS Microphones SiSonic High SNR Top Port Digi MaxRF
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- 26 dB 61 dB 100 Hz to 10 kHz 650 uA Digital 4 mm 3 mm 1.08 mm 1.6 V to 3.6 V
Knowles SPH0641LM4H-1
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721-SPH0641LM4H1


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SPH0641LM4H-1

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Knowles MEMS Microphones Digital Multiple Performance Modes
Data Sheet 3,480
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- 26 dB 64.3 dB 620 uA Digital 3.5 mm 2.65 mm 0.98 mm 1.62 V to 3.6 V
721-SPK0838HT4HB


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SPK0838HT4H-B

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Knowles MEMS Microphones Digital High SNR
Data Sheet 5,232
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5,700: $0.969



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- 26 dB 64 dB 700 uA Digital 4 mm 3 mm 1 mm 1.6 V to 3.6 V
Knowles SPU1410LR5H-QB
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Knowles MEMS Microphones MIC MEMS ULTRAMINI MAX RF
Data Sheet 3,487
In Stock
1: $1.62
10: $1.26
25: $1.14
50: $1.02
100: View



Min.: 1
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- 38 dB 63 dB 400 Ohms 100 Hz to 10 kHz 160 uA Analog 3.76 mm 3 mm 1.2 mm 1.5 V to 3.6 V
Knowles SPM1423HM4H-B
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Knowles MEMS Microphones MIC SISONIC MINI DIGITAL
Page 2,811

Data Sheet
2,360
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10: $1.34
25: $1.21
50: $1.08
100: View



Min.: 1
Mult.: 1
- 22 dB 61.5 dB 100 Hz to 10 kHz 600 uA Digital 4.72 mm 3.76 mm 1.4 mm 1.6 V to 3.6 V
Knowles SPH0642HT5H-1
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SPH0642HT5H-1

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Knowles MEMS Microphones ANL MEMs Mic WB, Low Noise, TP
Data Sheet 5,590
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1: $1.87
10: $1.61
25: $1.29
50: $1.15
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Min.: 1
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- 38 dB 1 dB 65 dB 500 Ohms 10 Hz to 10 kHz 132 uA Analog Top 3.5 mm 2.65 mm 1 mm 1.5 V to 3.6 V
Knowles SPA2410LR5H-B
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721-SPA2410LR5H-B


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Knowles MEMS Microphones MIC SISONIC ZERO HIEGHT RF
Data Sheet 3,475
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- 38 dB 63 dB 400 Ohms 100 Hz to 15 kHz 160 uA Analog 3.35 mm 2.5 mm 1.08 mm 1.5 V to 3.6 V
Knowles SPU0409HD5H-PB
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721-SPU0409HD5H-PB


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Knowles MEMS Microphones MIC MEMS ANALOG OMNI -42DB
Page 2,811

Data Sheet
1,870
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50: $1.23
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2,400: View



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- 42 dB 59 dB 100 Ohms 100 Hz to 10 kHz 190 uA Analog 3.76 mm 2.95 mm 1 mm 1.5 V to 3.6 V
Akustica AKU143
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487-AKU143


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AKU143

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Akustica MEMS Microphones
Data Sheet 5,517
In Stock
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100: $1.30
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5,700: $0.90
11,400: View



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- 42 dB 1 dB 65 dB 200 Ohms 50 Hz to 11.5 kHz 155 uA Analog Top 3.76 mm 2.95 mm 1.1 mm 1.62 V to 3.6 V
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