SPM0408HE5H-SB 查看數據表（PDF） - Unspecified

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SPM0408HE5H-SB

Amplified “Mini” SiSonic™ Microphone Specification With Enhanced RF Protection – Halogen Free

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SPM0408HE5H‐SB

4. ACOUSTIC & ELECTRICAL SPECIFICATIONS

Symbol

Directivity

Sensitivity

S

Output impedance

ZOUT

Current Consumption

IDSS

Signal to Noise Ratio

S/N

Condition

Omni‐directional

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

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

across 1.5 to 3.6 volts

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

Limits

Unit

Min. Nom. Max.

‐25

‐22

‐19

dB

‐‐‐

‐‐‐

300

Ω

‐‐‐

‐‐‐

350

μA

‐‐‐

59

‐‐‐

dB

Supply Voltage

Vs

Sensitivity Loss across

Voltage

THD

1.5

‐‐‐

3.6

V

Change in sensitivity over

3.6v to 1.5v

No Change Across Voltage

Range

dB

At 100dB SPL, THD < 1%

dB

At 115dB SPL, THD = < 10%

5. FREQUENCY RESPONSE CURVE

Knowles Acoustics, a division of Knowles Electronics,

LLC.

Revision: B

3 of 10

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