EK-23027

EK-23027 Datasheet

-40 EK-3024/5024

Part	Datasheet
EK-23027	EK-23027 (pdf)

Related Parts	Information
EK-23024	EK-23024
EK-23133	EK-23133

PDF Datasheet Preview
SERIES Actual Size • Electret condenser microphone • Lowest noise Knowles microphone • Rugged construction to withstand severe environmental conditions • High electroacoustic sensitivity • High resistance to mechanical shock • Low vibration sensitivity • Various responses available • Available with RFI suppression SENSITIVITY IN dB RELATIVE TO 1.0V/0.1 Pa N/m2 Standard Response -40 EK-3024/5024 -45 EK-3027 EK-3032 5 6 7 89 1000 FREQUENCY IN HERTZ 5 6 789 10000 Open circuit sensitivity with 1.3VDC supply data sheet Specification Data EK Series Power Requirements Supply Voltage VS range to 10VDC typical 1.3VDC Quiescent Current Drain VS = 1.3VDC typical 19µA maximum 50µA Performance Response/Sensitivity see curves, pages 1, 4-6 Sensitivity Range primary test frequency Ski Slope and Step responses ±3dB all other responses ±2dB Low Supply Voltage Sensitivity Loss Vs reduced from to 0.9VDC typical 0.3dB maximum 3.0dB Humidity Coefficient of Sensitivity typical 0.02dB per %RH in the absence of condensation Output Impedance 1kHz range to nominal: Acoustic Polarity Increased pressure at sound inlet causes a positive going voltage to appear at the output terminal, relative to the negative terminal Power Supply Feedthrough Attenuation typical 14dB, output-referred Load Voltage VL range to 0.9VDC typical 0.5VDC Output Noise Level A-weighted typical -103dBV* maximum -100dBV Ski Slope models Input-Referred Noise Level* A-weighted, 1kHz ref. typical 24dB SPL maximum 26dB SPL Input-Referred Vibration Sensitivity* 1g acceleration, 1kHz ref. maximum 62dB SPL

PDF Datasheet Preview

SERIES

Actual Size
• Electret condenser microphone
• Lowest noise Knowles microphone
• Rugged construction to withstand
severe environmental conditions
• High electroacoustic sensitivity
• High resistance to mechanical shock
• Low vibration sensitivity
• Various responses available
• Available with RFI suppression

SENSITIVITY IN dB RELATIVE TO 1.0V/0.1 Pa N/m2

Standard Response
-40 EK-3024/5024
-45 EK-3027 EK-3032
5 6 7 89
1000

FREQUENCY IN HERTZ
5 6 789
10000

Open circuit sensitivity with 1.3VDC supply
data sheet

Specification Data

EK Series

Power Requirements

Supply Voltage VS range to 10VDC typical 1.3VDC

Quiescent Current Drain VS = 1.3VDC typical 19µA
maximum 50µA

Performance

Response/Sensitivity see curves, pages 1, 4-6

Sensitivity Range primary test frequency Ski Slope and Step responses ±3dB all other responses ±2dB

Low Supply Voltage Sensitivity Loss Vs reduced from to 0.9VDC
typical 0.3dB maximum 3.0dB

Humidity Coefficient of Sensitivity typical 0.02dB per %RH in the absence of condensation

Output Impedance 1kHz range to nominal:

Acoustic Polarity Increased pressure at sound inlet causes a positive going voltage to appear at the output terminal, relative to the negative terminal

Power Supply Feedthrough Attenuation typical 14dB, output-referred

Load Voltage VL range to 0.9VDC typical 0.5VDC

Output Noise Level

A-weighted
typical -103dBV* maximum -100dBV Ski Slope models

Input-Referred Noise Level*

A-weighted, 1kHz ref.
typical 24dB SPL maximum 26dB SPL

Input-Referred Vibration Sensitivity*
1g acceleration, 1kHz ref.
maximum 62dB SPL

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Datasheet ID: EK-23027 508947