INMP405

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

−41

−38

−35

dBV

Signal-to-Noise Ratio (SNR)

62

dBA

Equivalent Input Noise (EIN)

32

dBA SPL

Dynamic Range

Derived from EIN and

maximum acoustic input

88

dB

Frequency Response

Low frequency −3 dB point

200

Hz

1

High frequency −3 dB point

15

kHz

Total Harmonic Distortion (THD)

105 dB SPL

3

%

Power-Supply Rejection (PSR)

217 Hz, 100 mVp-p square

wave superimposed on VDD

= 1.8 V

−70

dBV

Maximum Acoustic Input

Peak

120

dB SPL

POWER SUPPLY

1.5

3.3

V

250

µA

OUTPUT CHARACTERISTICS

200

Ω

Output DC Offset

0.8

V

Output Current Limit

90

µA

Note 1: See Figures 3 and 5.

Page 3 of 13

Document Number: DS-INMP405-00

Revision: 1.0.

Rev Date: 02/06/2014