CR927

Lithium Coin Cells

Microphones

Piezoelectric MEMS Microphone

Frequency Response

Specification (all data taken at 25°C unless otherwise specified)

Model

SPM04C-38

Directivity

Omnidirectional

*Sensitivity

(dB)

-38±1

Operating

Voltage

Range

(V)

1.6 ~ 3.6

Typical

Current

Consumption

(μA)

150

Output

Impedance

(Ω)

≤400

Frequency

Range

(Hz)

100 ~ 10000

*Condition: 0dB = 1V/Pa, 1KHz, Difference sensitivity level is available upon request.

SPM04C

www.jlworld.com

Dimensions

Unit : mm

Tolerance : ±0.3mm

Typical

S/N

Ratio

(dB)

64

Package

Type

SMD

IP Rating

IP68

CR927

Reverse Mount

Operating

Temperature

(°C)

-40 ~ +100

Storage

Temperature

(°C)

-40 ~ +125

2.95

GND

Power

GND

GND Output

1.1

200

500

1K

10K

2K

5K

Hz

dB

-20

10

-10

0

100

IP68 compatible