MICROPHONE, -38DB, OMNI

SPM0204LE5-QB

Manufacturer Part NumberSPM0204LE5-QB
DescriptionMICROPHONE, -38DB, OMNI
ManufacturerKnowles Acoustics
SPM0204LE5-QB datasheet
 


Specifications of SPM0204LE5-QB

Transducer FunctionMicrophoneDevice TypeMicrophone
DirectivityOmniSensitivity-38
Supply Voltage Min1.5VDrain Current Max0.25mA
Supply Voltage3.6VSupply Voltage Max3.6V
Filter TypeRFILead Free Status / RoHS StatusLead free / RoHS Compliant
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SPECIALTY TRANSDUCERS – Microphones
EK/EL SERIES
– Microphone
Omnidirectional (EK), Unidirectional (EL) 4.00 x 5.59 x 2.28 (mm)
EK omnidirectional microphones provide a unique combination of size, performance
and value. Its high electroacoustic sensitivity and low noise make this microphone
an excellent choice for applications where space allows. These popular microphones
are available in many model varieties.
High resistance to mechanical shock
Available with RFI suppression
Various port locations available
Wide range of frequency responses
High S/N performance
Sensitivity @1kHz
M M o o d d e e l l
(dB re1V/1Pa)
EK-23024-C36
-33.0±2
EK-23024-P07
-33.0±2
EK-23027-C36
-33.0±2
EK-23028-C36
-37.0±3
EK-23033-C36
-33.0±2
EK-23132-000
-33.0±2
EK-23133-C36
-33.0±2
EK-23142-C37
-33.0±2
EL-23078-000
-33.0±2
NR SERIES
– Microphone
Noise Canceling 4.00 x 5.59 x 2.28 (mm)
The NR Series close talking microphones deliver state-of-the-art noise canceling performance.
NR microphones are used as headset microphones in the most demanding communication
and speech recognition environments. The NR Series microphones are available in boom
microphone packages. (See the FB Series and PNR/PWP Series for details.)
Integral FET amplifier
Diaphragm responds to pressure differential giving
high rejection of background noise
Withstands severe environmental conditions
Low vibration sensitivity
High electoacoustical sensitivity
Superior noise canceling performance
Lead attachment available
Sensitivity @1kHz
M M o o d d e e l l
(dB re1V/1Pa)
NR-23158-000
-38.0±3
NR-23159-000
-52.0±3
NR-23160-000
-44.0±3
NR-25994-000
-38.0±3
10
Note: All performance curves are typical
Max. “A” Weighted
Max. Amplifier
DC Supply (Vdc)
Noise (1 kHz
Current Drain (uA)
Equivalent SPL)
0.9-10
50
0.9-10
50
0.9-10
50
0.9-10
50
0.9-10
50
0.9-10
50
0.9-10
50
0.9-10
50
0.9-10
50
Max. Amplifier
Max. “A” Weighted
DC Supply (Vdc)
Current Drain (uA)
Noise (dBV)
1.3
50
1.3
200
1.3
50
1.3
700
www.knowles.com
-40
-50
-60
-70
-80
5 6 7 8 9
2
3
4
5 6 7 8 9
100
FREQUENCY (Hz)
Nominal Output
Impedance (Ohms)
26.0 dB
4400
RFI Improved Version
26.0 dB
4400
3-wire, 1 m Shielded Cable
100.0 dB
4400
RFI Improved Version
100.0 dB
4400
RFI Improved Version
26.0 dB
4400
RFI Improved Version
26.0 dB
4400
26.0 dB
4400
RFI Improved Version
26.0 dB
4400
RFI Improved Version
31.0 dB
4400
-40
-50
-60
-70
-80
2
3
4
5
6 7 8 9
100
1k
FREQUENCY (Hz)
Nominal Output
Comments
Impedance (Ohms)
-100
4400
3-wire
-100
2500
2-wire
-100
4400
2-wire
-100
4400
3-wire
2
3
4
5 6 7 8 9
1k
10k
Comments
2
3
4
5
6 7 8 9
10k