MEMS Microphones (Microphone)

Name: INMP421 : Detailed Information | Ceramic Switching / Heating, Piezo Components, Contactors, Buzzers and Microphones - MEMS Microphones (Microphone) | TDK Product Center
Brand: TDK
SKU: INMP421

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INMP421

Product Status	Production (NRND)
Applications	Commercial Grade
Apps. Detail	Mobile Wearable Internet of Things Drone
Product Type	Digital Output (PDM)
Port Location	Bottom
Series	INMP
Brand	InvenSense
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Images are for reference only and show example products.

Size

Length(L)	3.00mm ±0.10mm
Width(W)	4.00mm ±0.10mm
Thickness(T)	1.00mm ±0.10mm

Electrical Characteristics

Sensitivity	-26dB FS ±3dB FS at 1kHz, 94dB SPL
S/N Ratio [SNR] (Typ.)	61dBA
Sound Pressure Level	105dB at THD 3% Max., 1kHz
Acoustic Overload Point	120dB SPL at 10% THD
Total Harmonic Distortion [THD]	3% Max. at 105dB SPL, 1kHz
Lower Cutoff Frequency (Min.)	100Hz
Power Supply Rejection Ratio [PSPR] (Typ.)
Current Consumption [Icc] (Typ.)	650μA