EMKAY
Model Number:
MD9765ASZ-0
PRODUCT SPECIFICATION
Doc:
MD9765ASZ-0
This specification applies to the electret condenser microphone outlined within this document.
Size:
Directivity:
Board Type:
Capacitor(s)
Ø 9.7 x 6.5
OMNI-DIRECTIONAL
SOLDER
None
Dimensions:
(All dimensions are in mm)
Electrical Specifications
CHARACTERISTIC
Directional Characteristic
Electret Type
Sensitivity
Impedance
Frequency Range
Max input Sound Level
Standard Operating Voltage
Maximum operating Voltage
Current Consumption
Sensitivity Reduction
S/N Ratio
Capacitor(s)
Frequency Response Curve
SPECIFICATION VALUES
OMNI-DIRECTIONAL
CHRG DIA/FOIL
-42 dB ± 4.0
2.200 k
Ω
100-10,000 Hz
120dB
3.0 V
10 V
0.500 mA
Within -3dB at 2V
More than
55 dB
None
NOTES
(0dB=1 V/Pa, 1kHz)
Less than
Hz
S.P.L.
V
V
Max
Schematic Diagram
EMKAY
EMKAY Innovative Products
A Knowles Electronics LLC
1151 Maplewood Drive, Itasca, Illinois 60143
Tel: 630-250-5100 Fax: 630-250-5932
www.emkayproducts.com
EMKAY
Polar Pattern:
PRODUCT SPECIFICATION
Doc:
MD9765ASZ-0
Polar plot shows reponce of unit at 1000 Hz.
Environmental Specifications
Note:
After any of the following tests performed, the sensitivity of the microphone unit shall not deviate
more than ±3dB from its initial value. The microphone shall maintain its initial operation and
appearance.
Operating Temperatur
Storage Temperature:
Humidity:
Temperature Cycles:
-25°C to +55°C
-25°C to +50°C
+40°C at 95%RH for 240 hrs
After exposure at -25°C for 30 minutes, at+20°C for 10 minutes, at +60°C
for 30 minutes, at +20°C for 10 minutes, 5 cycles. (The measurement to
be done after 2 hrs of conditioning at +20°C.)
The microphone unit must operate within its sensitivity specifications after
subjected to the following conditions: -25°C for 240 hrs, and exposed to
room temperature for 2 hrs.
The microphone unit must operate within its sensitivity specifications after
subjected to the following conditions: +60°C for 240 hrs, and exposed to
room temperature for 2 hrs.
10kV
The microphone to have no interferance in operation after vibrations, 10Hz
to 55Hz for 1 minute full amplitude 1.52mm, for 2 hours at three axises.
The microphone unit must operate when dropped three times once on
each axis from a height of 1m onto a metal plate.
0.5kg each Pad
Low Temperature:
High Temperature:
ESD:
Vibration:
Impact:
Solder Pull:
The information contained in this literature is based on our experience to date and is believed to be reliable and subject to change without
notice. It is intended as a guide for use by persons having technical skill at their own discretion and risk. We do not guarantee favorable
results or assume any liability in connection with its use. Dimensions contained herein are for reference purposes only. For specific
dimensional requirements consult the factory. This publication is not to be taken as a license to operate under, or a recommendation to
infringe any existing patents. This supersedes and voids all previous literature, etc.
EMKAY
EMKAY Innovative Products
A Knowles Electronics LLC
1151 Maplewood Drive, Itasca, Illinois 60143
Tel: 630-250-5100 Fax: 630-250-5932
www.emkayproducts.com
Microcontroller MCU
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