CUI DEVICES | MODEL: DEVKIT-ECM-001 | DESCRIPTION: MICROPHONE DEVELOPMENT KIT

date 04/13/2023 | page 6 of 7

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CMEJ-0413-42-SMT-TR

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ELECTRICAL

parameter

conditions/description

min

typ

max

units

directivity

omnidirectional

sensitivity (S)

at 1 kHz (0 dB = 1 V/Pa)

-45

-42

-39

dB

supply voltage (VDD)

1.0

2.0

10

V

current consumption (IDSS)

VDD = 2.0 V, RL = 2.2 kΩ

0.5

mA

sensitivity reduction

VDD = 2.0 ~ 1.5 V

3

dB

frequency (f)

100

10,000

Hz

signal to noise ratio (S/N)

at 1 kHz, Pin = 1 Pa (A-weighted)

60

dBA

total harmonic distortion (THD)

at 94 dB SPL, 1 kHz

at 115 dB SPL, 1 kHz

1

3

%

%

acoustic overload point (AOP)

at 1 kHz

115

dB SPL

output impedance (Zout)

at 1 kHz

2.2

kΩ

Notes:

1. All specifications measured at 23±2°C, humidity at 55±20%, unless otherwise noted.

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