Acoustic products

OWMMOA-271811A-S421QA

MEMS microphone



• Analog MEMS Microphone

• Omnidirectional

• Top ported



• Ultra small

• High SNR and AOP

• Cost efficient



OWMMOA-271811A-S421QA

Characteristics

Size (ØxH) [mm]
0.0x1.1
Size (LxWxH) [mm]
2.8x1.9x1.1
Type
Mems, analog
Sensitivity range [dB]
-42
Typical SNR [dBA]
63
Directivity
Omni
top ported
Termination
SMD
Current consumption [µA]
< 150
Vdd=2.0V
Voltage range [V]
1.6 to 3.6
Acoustic overload point [dB]
< 130
at 1kHz and 10% THD
Total harmonic distortion [%]
< 0.5
at 1kHz
Power supply rejection ratio [dB]
66
200mVpp Sine wave at 1kHz
Output impedance [Z]
< 400
at 1kHz

Specifications are subject to change without prior notice. Upon request Ole Wolff can supply further specifications, simulation parameters etc.

Frequency response curve

frc

Mechanical drawing

OWMMOA-271811A-S421QA

Updated 13-05-2024 09:50

Ole Wolff Elektronik A/S | Roedengvej 14, 4180 Soroe, DK Denmark | +45 5783 3830 | sales@owolff.com