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Knowles Acoustics
www.knowlesacoustics.com
2
Document: SP0102N
Last Revision Date: 09-2003
Product Specifications Test Conditions: +20ºC, 60-70% R.H.
dBA SPL
35
A-weighted
ENL
Typical Input Referred
Noise
ºC
+100
-40
Operating
Temperature
ºC
+100
-40
Storage Temperature
dB
At 100dB SPL, THD < 1%
At 115dB SPL, THD = < 10%
Maximum Input Sound
Level
Hz
100 – 10,000
Frequency Range
Omni-directional
Directivity
dB
No Change Across
Voltage Range
Change in sensitivity over
5.5v to 1.5v
Sensitivity Loss across
Voltage
Max.
Nom.
Min.
V
5.5
1.5
Vs
Supply Voltage
dB
59
55
@ 1kHz (0dB=1V/Pa)
S/N
Signal to Noise Ratio
mA
0.250
0.100
across 1.5 to 5.5 volts
IDSS
Current Consumption
Ω
100
@ 1kHz (0dB=1V/Pa)
ZOUT
Output impedance
dB
-38
-42
-46
@ 1kHz (0dB=1V/Pa)
S
Sensitivity
Unit
Limits
Condition
Symbol
Frequency Response Curve
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