INMP411

SPECIFICATIONS

TABLE 1. ELECTRICAL CHARACTERISTICS

temperature and voltage, and are specified in Table 1, unless otherwise noted. Typical specifications are not guaranteed.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

PERFORMANCE

Directionality

Omni

Sensitivity

1 kHz, 94 dB SPL

−48

−46

−44

dBV

Signal-to-Noise Ratio (SNR)

62

dBA

Equivalent Input Noise (EIN)

32

dBA SPL

Dynamic Range

Derived from EIN and maximum

acoustic input

99

dB

Frequency Response

Low frequency −3 dB point

28

Hz

1

High frequency −3 dB point

>20

kHz

Total Harmonic Distortion (THD)

105 dB SPL

0.2

1

%

Power-Supply Rejection (PSR)

217 Hz, 100 mVp-p square wave

superimposed on VDD = 1.8 V

−80

dBV

Acoustic Overload Point

10% THD

131

dB SPL

POWER SUPPLY

1.5

3.63

V

180

220

µA

210

250

µA

OUTPUT CHARACTERISTICS

200

Ω

Output DC Offset

0.8

V

Maximum Output Voltage

131 dB SPL input

0.355

V RMS

Noise Floor

20 Hz to 20 kHz, A-weighted, rms

−108

dBV

Note 1: See Figures 3 and 5.

Page 3 of 14

Document Number: DS-INMP411-00

Revision: 1.0.