New Products

BMU551R & BMU563R
Single-Ended Analog-Output

• 3.50 x 2.65 mm2 top- and bottom-port
• 66dB SNR
• <1% THD to 118dB SPL                     

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BMU537R
Differential Analog-Output

          • 3.35 x 2.50 x 0.98 mm3 bottom-port
          • 66dB SNR
          • 130dB SPL AOP with <1% THD to 124dB SPL  

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Full Portfolio Analog Microphones

P/N Port
Location
Package
Size
(mm3)
Nominal
Sensitivity
(dBV/Pa)
Sensitivity
Tolerance
(dBV/Pa)
SNR
(dB) 
AOP
(dB SPL)
Current
(uA)
BMU551R Top 3.50 x 2.65 x 1.0 -38 +/- 1 66 124 205
BMU563R Bottom 3.50 x 2.65 x 0.98 -38 +/- 1 66 123 60
BMU537R Bottom 3.35 x 2.50 x 0.98 -38 +/- 1 65 130 245
AKU350 Bottom 3.50 x 2.65 x 0.98 -38 +/- 1 66 123 205
AKU151 Top 3.42 x 1.70 x 0.93 -38 +/- 1 65 124 60
AKU143 Top 3.76 x 2.95 x 1.1 -42 +/- 1 65 126 155
AKU142 Top 3.76 x 2.95 x 1.1 -38 +/- 2 63 123 250
AKU340 Bottom 3.35 x 2.50 x 1.0 -38 +/- 2 62 123 250

Refer to datasheets for detailed specifications

Full Portfolio Digital Microphones

P/N Port
Location
Package
Size
(mm3)
Nominal
Sensitivity
(dBFS)
Sensitivity
Tolerance
(dBFS)
SNR
(dB) 
AOP
(dB SPL)
Current
(uA)
AKU450P Bottom 3.50 x 2.65 x 0.98 -26 +/- 1 65 120 730
AKU450 Bottom 3.50 x 2.65 x 0.98 -26 +/- 1 65 120 730
AKU243 Top 4 x 3 x 1 -26 +/- 3 64 118 800
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
AKU440 Bottom 4 x 3 x 1 -26 +/- 2 63 116 800
AKU441 Bottom 4 x 3 x 1 -26 +/- 1 63 116 800
AKU443 Bottom 4 x 3 x 1 -26 +/- 1.5 63 116 800
AKU240 Top 4 x 3 x 1 -26 +/- 2 63 116 800

Refer to datasheet for detailed specifications