Akustica MEMS Microphones

Our MEMS microphones leverage the combination of Akustica's microphone expertise and CMOS MEMS technology with Bosch's 25 years of MEMS intellectual property, process development, and manufacturing experience. This collective knowledge base has allowed Akustica to develop a full portfolio of MEMS microphones that meet the increasing performance requirements of the consumer electronics market. Akustica is the industry's only MEMS microphone supplier to design and manufacture its ASIC and MEMS in-house, allowing Akustica to quickly introduce innovative new products to the market and provide a portfolio of microphones that can be used in almost any smartphone, laptop, or tablet application including those that require:

- Uniform matching
- Analog or digital-output 
- Top- or bottom-port microphones
- HD voice quality frequency response
- Industry standard or smaller sized footprints

Analog Microphones

P/N Port
Location
Package
Size
(mm3)
Nominal
Sensitivity
(dBV/Pa)
Sensitivity
Tolerance
(dBV/Pa)
SNR
(dB) 
AOP
(dB SPL)
Current
(uA)
AKU142 Top 2.95 x 3.76 x 1.1 -38 +/- 2 63 123 250
AKU143 Top 2.95 x 3.76 x 1.1 -42 +/- 1 65 126 155
AKU151 Top 1.70 x 3.42 x 0.93 -38 +/- 1 65 124 60
AKU340 Bottom 2.50 x 3.35 x 1.0 -38 +/- 2 62 123 250
AKU342 Bottom 2.95 x 3.76 x 1.0 -38 +/- 2 63 123 250
AKU350 Bottom 2.65 x 3.50 x 0.98 -38 +/- 1 66 125 205

Refer to datasheets for detailed specifications

Digital Microphones

P/N Port
Location
Package
Size
(mm3)
Nominal
Sensitivity
(dBFS)
Sensitivity
Tolerance
(dBFS)
SNR
(dB) 
AOP
(dB SPL)
Current
(uA)
AKU240 Top 4 x 3 x 1 -26 +/- 2 63 116 800
AKU241 Top 4 x 3 x 1 -26 +/- 1 63 116 865
AKU242 Top 4 x 3 x 1 -26 +/- 1.5 63 116 800
AKU243 Top 4 x 3 x 1 -26 +/- 3 64 118 800
AKU440 Bottom 4 x 3 x 1 -26 +/- 2 63 116 800
AKU441 Bottom 4 x 3 x 1 -26 +/- 1 63 116 800
AKU442 Bottom 4 x 3 x 1 -26 +/- 1.5 63 116 800
AKU443 Bottom 4 x 3 x 1 -26 +/- 1.5 63 116 800
AKU450 Bottom 3.50 x 2.65 x 0.98 -26 +/- 3 65 120 745
AKU450P Bottom 3.50 x 2.65 x 0.98 -26 +/- 1 65 120 745
AKU451 Bottom 3.50 x 2.65 x 0.98 -26 +/- 1 65 120 745

Refer to datasheet for detailed specifications