INMP404ACEZ-R7 datasheet(3/13 Pages) TDK

tên linh kiện	INMP404ACEZ-R7

Giải thích chi tiết về linh kiện	Omnidirectional Microphone with Bottom Port and Analog Output

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INMP404

SPECIFICATIONS

TABLE 1. ELECTRICAL CHARACTERISTICS

(TA = −40 to 85°C, VDD = 1.5 to 3.3 V, unless otherwise noted. All minimum and maximum specifications are guaranteed across

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)

dBA

Equivalent Input Noise (EIN)

dBA SPL

Dynamic Range

Derived from EIN and

maximum acoustic input

Frequency Response

Low frequency −3 dB point

100

High frequency −3 dB point

kHz

Total Harmonic Distortion (THD)

105 dB SPL

Power-Supply Rejection (PSR)

217 Hz, 100 mVp-p square

wave superimposed on VDD

= 1.8 V

dBFS

Maximum Acoustic Input

Peak

120

dB SPL

POWER SUPPLY

Supply Voltage (VDD)

1.5

3.3

Supply Current (IS)

250

µA

OUTPUT CHARACTERISTICS

Output Impedance (ZOUT)

200

Ω

Output DC Offset

0.8

Output Current Limit

µA

Note 1: See Figures 3 and 5.

Page 3 of 13

Document Number: DS-INMP404-00

Revision: 1.0.

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