MR-23151-000 Knowles Acoustics, MR-23151-000 Datasheet - Page 5
![MIC MAGNETIC 50' SUBMERSIBLE](/photos/0/4/461/mr-23151_sml.jpg)
MR-23151-000
Manufacturer Part Number
MR-23151-000
Description
MIC MAGNETIC 50' SUBMERSIBLE
Manufacturer
Knowles Acoustics
Series
MRr
Type
Magnetic, Waterproofr
Specifications of MR-23151-000
Sensitivity
-87.5dB ±3dB
Size / Dimension
Circular - 22.12mm Dia x 9.3mm H
Impedance
300 Ohm
Frequency
280Hz ~ 5kHz
Termination
Wire Leads
Direction
Omnidirectional
Port Location
Side
Directional Properties
Omnidirectional
Operating Voltage
1.3 V
Termination Style
Wire Leads
Dimensions
9.3 mm L
Diameter
22.12 mm
Length
9.3 mm
Transducer Function
Microphone
Device Type
Microphone
Directivity
Omni
External Diameter
22.12mm
Output Impedance
300ohm
Drain Current Max
50µA
Terminal Type
Wire Leads
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Filter Type
-
S/n Ratio
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
423-1015
MR-23151
MR-3151
MR3151
MR-23151
MR-3151
MR3151
Ultra Mini Package - 3.76 x 2.95 x 1.10 (mm)
Thin Mini Package - 4.72 x 3.76 x 1.25 (mm)
Zero Height Mic
•
•
•
•
Note: All performance curves are typical
SiSonic Zero Height Mic
Minimizes distance between PCB and mobile device housing
Ideal for microphone placement on reverse side of PCB, while maintaining acoustic port on top side of mobile device, for clamshell phone designs
Enables the thinnest, highest density product designs
M M o o d d e e l l
SPU0409HE5
SPU0409HD5
SPU0409HE5
SPU0409HD5
M M o o d d e e l l
SPM0204HE5
SPM0204HD5
SPM0208HE5
SPM0208HD5
SPM0205HD4
M M o o d d e e l l
SPM0204LE5
SPM0208LE5
Description
Amplified
Amplified
Standard
Standard
Description
Description
™
™
Amplified
Amplified
Amplified
Standard
Standard
shrinks product thickness by up to 30%
Standard
Digital
Thin Mini Package - 4.72 x 3.76 x 1.25 (mm)
•
•
•
•
•
•
and built in amplifier
Thin Mini SiSonic with a footprint less than 18mm
manufacturing costs and brings greater design flexibility
Rugged, solid-state design process for stable acoustic
performance under extreme conditions such as temperature,
shock and vibration
Digital - Pulse Density Modulation (PDM) device available,
which has an integrated sleep mode and is compatible with
stereo input applications
New Ultra Mini with footprint of 11mm
Flexible designs available with/without RF filtering
Ideal for miniature consumer electronics
STANDARD MOUNT
Directivity
Omni
Omni
Omni
Omni
Directivity
Directivity
Omni
Omni
Omni
Omni
Omni
Omni
Omni
Supply Voltage
(min-max)
1.5 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
Supply Voltage
Supply Voltage
(min-max)
(min-max)
1.5 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
1.6 to 3.6v
1.5 to 3.6v
1.5 to 3.6v
www.knowles.com
2
ZERO HEIGHT MIC
RF Filtering
Enhanced
Enhanced
Standard
Standard
RF Filtering
RF Filtering
2
Enhanced
Enhanced
Enhanced
Enhanced
Standard
Standard
Standard
reduces
Sensitivity @1kHz
(dB re1V/1Pa)
™
-26.0 (1 Pa ref Full Scale)
-42.0
-42.0
-22.0
-22.0
Sensitivity @1kHz
Sensitivity @1kHz
(dB re1V/1Pa)
(dB re1V/1Pa)
MICROPHONES – MEMS
-10
-10
-20
-30
20
20
10
-5
-10
5
0
0
10
-5
5
0
-42.0
-42.0
-22.0
-22.0
-38.0
-18.0
100
100
100
2
2
2
Impedance
3
3
3
(Ohms)
Output
< 300
< 300
< 300
< 300
4
4
4
5 6 7 8 9
5 6 7 8 9
5 6 7 8 9
Impedance
Impedance
FREQUENCY (Hz)
FREQUENCY (Hz)
(Ohms)
(Ohms)
Output
Output
< 300
< 300
< 300
< 300
< 300
< 300
< 300
1k
1k
1k
FREQUENCY (Hz)
2
2
2
Drain (mA)
Maximum
Current
3
< 0.25
< 0.25
< 0.35
< 0.35
3
3
4 5 6 7 8 9
4
4
Drain (mA)
Drain (mA)
Maximum
Maximum
5 6 7
5 6 7
Current
Current
< 0.25
< 0.25
< 0.35
< 0.35
< 0.50
< 0.25
< 0.35
8k
10k
8k
5