SPM0404HE5H‐PB
“Mini” SiSonic™ Microphone Specification With Enhanced RF Protection – Halogen Free
Knowles Acoustics
1151 Maplewood Drive Itasca, IL 60143
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: B 1 of 10
SPM0404HE5H‐PB
1. DESCRIPTION AND APPLICATION
1.1 Description “Mini” Surface Mount Silicon Microphone with Enhanced RF Protection – Halogen Free 1.2 Application Hand held telecommunication devices
2. PART MARKING
Identification Number Convention
S 1 2 3 4 5 6 7
S: Manufacturing Location “S” – Knowles Electronics Suzhou Suzhou, China “No Alpha Character” – Knowles Electronics Itasca Itasca, IL USA “E” – Engineering Samples Digits 1 – 7: Job Identification Number
3. TEMPERATURE RANGE
3.1 Operating Temperature Range: ‐40°C to +100°C 3.2 Storage Temperature Range: ‐40°C to +100°C
Knowles Acoustics, a division of Knowles Electronics, LLC.
Revision: B 2 of 10
SPM0404HE5H‐PB
4. ACOUSTIC & ELECTRICAL SPECIFICATIONS
Limits Min. Nom. Max.
Symbol Directivity Sensitivity Output impedance Current Consumption Signal to Noise Ratio Supply Voltage Sensitivity Loss across Voltage THD S ZOUT IDSS S/N Vs
Condition Omni‐directional @ 1kHz (0dB=1V/Pa) @ 1kHz (0dB=1V/Pa) across 1.5 to 3.6 volts @ 1kHz (0dB=1V/Pa)
Unit
‐45 ‐‐‐ ‐‐‐ ‐‐‐ 1.5
‐42 ‐‐‐ ‐‐‐ 59 ‐‐‐
‐39 300 250 ‐‐‐ 3.6
dB Ω μA dB V dB dB
Change in sensitivity over 3.6v to 1.5v
No Change Across Voltage Range
At 100dB SPL, THD
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