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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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Cirrus Logic WM7132PIMSE/RV
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238-WM7132PIMSERV


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WM7132PIMSE/RV

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Cirrus Logic MEMS Microphones Analogue MEMS Mic - Bottom Port
Data Sheet 5,000
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250: $2.77
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Omnidirectional - 38 dB 65 dB 100 Ohms 62 Hz to 12.5 kHz 200 uA Analog 3.76 mm 3 mm 1.1 mm 1.5 V to 3.7 V
Akustica AKU442
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487-AKU442


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Akustica MEMS Microphones
Data Sheet 5,548
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100: $1.18
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Omnidirectional - 26 dB 63 dB 50 Hz to 10 kHz 800 uA Digital 116 dB 4 mm 3 mm 1 mm 1.62 V to 3.6 V
Akustica AKU143
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487-AKU143


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Akustica MEMS Microphones
Data Sheet 5,521
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Omnidirectional - 42 dB 65 dB 200 Ohms 50 Hz to 11.5 kHz 155 uA Analog 126 dB 3.76 mm 2.95 mm 1.1 mm 1.62 V to 3.6 V
Akustica AKU242
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487-AKU242


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Akustica MEMS Microphones
Data Sheet 5,658
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100: $1.28
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5,700: $0.91
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Omnidirectional - 26 dB 63 dB 50 Hz to 11 kHz 800 uA Digital 116 dB 4 mm 3 mm 1 mm 1.62 V to 3.6 V
Akustica AKU441
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487-AKU441


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Akustica MEMS Microphones
Data Sheet 5,697
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25: $1.56
100: $1.37
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5,700: $1.04
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Omnidirectional - 26 dB 63 dB 50 Hz to 10 kHz 800 uA Digital 116 dB 4 mm 3 mm 1 mm 1.62 V to 3.6 V
Akustica AKU241
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487-AKU241


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Akustica MEMS Microphones
Data Sheet 5,657
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25: $1.59
100: $1.40
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5,700: $1.06
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Omnidirectional - 26 dB 63 dB 50 Hz to 11 kHz 865 uA Digital 116 dB 4 mm 3 mm 1 mm 1.62 V to 3.6 V
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 38,815
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10: $1.64
100: $1.31
500: $1.15
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4,000: $0.887
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Omnidirectional - 26 dB 0.6 mA 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
Page 2,811

Data Sheet
23,416
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10: $1.25
25: $1.13
50: $1.01
100: View
1,200: $0.731

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Omnidirectional - 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

Data Sheet
7,533
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100: $1.44
500: $1.26
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Omnidirectional - 38 dB 64 dBA 3.35 mm 2.5 mm 0.98 mm 1.6 V to 3.6 V
Akustica AKU340
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487-AKU340


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Akustica MEMS Microphones
Data Sheet 5,843
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10: $1.23
25: $1.09
100: $0.95
Reel
5,900: $0.56
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Omnidirectional - 38 dB 62 dB 150 Ohms 60 Hz to 12.5 kHz 300 uA Analog 3.35 mm 2.5 mm 1 mm 1.8 V to 3.6 V
STMicroelectronics MP33AB01HTR
511-MP33AB01HTR


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

Data Sheet
3,173
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100: $1.00
500: $0.877
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Omnidirectional - 38 dB 100 Hz to 10 kHz 0.25 mA 3.76 mm 2.95 mm 1 mm 2.2 V
Akustica AKU142
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487-AKU142


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Akustica MEMS Microphones
Data Sheet 5,398
In Stock
Cut Tape
1: $1.78
10: $1.38
25: $1.22
100: $1.11
Reel
5,700: $0.77
11,400: View



Min.: 1
Mult.: 1
Reel: 5,700
Omnidirectional - 38 dB 63 dB 200 Ohms 60 Hz to 11.5 kHz 300 uA Analog 3.76 mm 2.95 mm 1.1 mm 1.6 V to 3.6 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
3,578
In Stock
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1: $1.79
10: $1.44
100: $1.15
500: $1.01
Reel
4,000: $0.781
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Omnidirectional - 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 3,574
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100: $1.26
500: $1.10
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Omnidirectional - 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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Knowles MEMS Microphones Analog High Perf Low Power
Data Sheet 5,538
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25: $0.901
50: $0.801
100: View
5,900: $0.607



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Reel: 5,900
Omnidirectional - 38 dB 62.5 dB 290 Ohms 60 uA Analog 94 dB 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
Page 2,811

Data Sheet
6,152
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25: $1.11
50: $0.98
100: View
1,200: $0.848

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Omnidirectional - 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 SPA2410LR5H-B
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721-SPA2410LR5H-B


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Knowles MEMS Microphones MIC SISONIC ZERO HIEGHT RF
Data Sheet 3,477
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10: $1.25
25: $1.13
50: $1.01
100: View
1,200: $0.731



Min.: 1
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Reel: 1,200
Omnidirectional - 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 SPQ1410HR5H-B
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721-SPQ1410HR5H-B


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SPQ1410HR5H-B

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

Data Sheet
4,312
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1: $1.60
10: $1.25
25: $1.13
50: $1.01
100: View
1,200: $0.731

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Reel: 1,200
Omnidirectional - 42 dB 59 dB 400 Ohms 100 Hz to 10 kHz 160 uA Analog 3.76 mm 2.24 mm 1.2 mm 1.5 V to 3.6 V
Knowles SPU1410LR5H-QB
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Knowles MEMS Microphones MIC MEMS ULTRAMINI MAX RF
Data Sheet 3,522
In Stock
1: $1.62
10: $1.26
25: $1.14
50: $1.02
100: View



Min.: 1
Mult.: 1
Omnidirectional - 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 SPU0410HR5H-PB
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721-SPU0410HR5H-PB


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

Data Sheet
3,717
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1: $1.69
10: $1.45
25: $1.17
50: $1.04
Reel
1,200: $0.841
2,400: View

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Mult.: 1
Reel: 1,200
Omnidirectional - 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 SPM1423HM4H-B
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Knowles MEMS Microphones MIC SISONIC MINI DIGITAL
Page 2,811

Data Sheet
2,639
In Stock
1: $1.72
10: $1.34
25: $1.21
50: $1.08
100: View



Min.: 1
Mult.: 1
Omnidirectional - 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 SPK0833LM4H-B
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721-SPK0833LM4H-B


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Knowles MEMS Microphones MIC SISONIC ZERO HIEGHT DIGITAL
Data Sheet 1,444
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1: $1.72
10: $1.34
25: $1.21
50: $1.08
100: View
1,200: $0.782

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Reel: 1,200
Omnidirectional - 26 dB 63 dB 160 Ohms 100 Hz to 10 kHz 700 uA Digital 4 mm 3 mm 1.1 mm 1.6 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
Page 2,811

Data Sheet
3,468
In Stock
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1: $1.82
10: $1.59
25: $1.24
50: $1.12
Reel
1,200: $0.777
2,400: View

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Mult.: 1
Reel: 1,200
Omnidirectional - 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 5,555
In Stock
1: $1.82
10: $1.56
25: $1.26
50: $1.12
100: View



Min.: 1
Mult.: 1
Omnidirectional - 42 dB 59 dB 450 Ohms 110 uA Analog 94 dB 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

Data Sheet
2,429
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10: $1.52
25: $1.38
50: $1.23
100: View
1,200: $0.892

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Omnidirectional - 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
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