INMP504

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)

65

dBA

Equivalent Input Noise (EIN)

29

dBA SPL

Dynamic Range

Derived from EIN and

maximum acoustic input

91

dB

Frequency Response

Low frequency −3 dB point

100

Hz

1

High frequency −3 dB point

>20

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

dBFS

Maximum Acoustic Input

Peak

120

dB SPL

POWER SUPPLY

1.6

3.3

V

180

200

µA

200

225

µA

OUTPUT CHARACTERISTICS

200

Ω

Output DC Offset

0.8

V

Output Current Limit

90

µA

Maximum Output Voltage

120 dB SPL input, peak

0.35

Noise Floor

20 Hz to 20 kHz, A-weighted,

rms

−103

dBV

Note 1: See Figures 3 and 5.

Page 3 of 13

Document Number: DS-INMP504-00

Revision: 1.0.