MD9745APZ-F

MD9745APZ-F Datasheet

Doc MD9745APZ-F

Part	Datasheet
MD9745APZ-F	MD9745APZ-F (pdf)

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EMKAY PRODUCT SPECIFICATION Doc MD9745APZ-F This specification applies to the electret condenser microphone outlined within this document. Model Number MD9745APZ-F Dimensions: All dimensions are in mm Size: Directivity OMNI-DIRECTIONAL Board Type PIN Capacitor s None 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 SPECIFICATION VALUES OMNI-DIRECTIONAL CHRG DIA/FOIL -44 dB ± 100-10,000 Hz 120dB V 10 V mA Within -3dB at 1.5V More than 55 dB None NOTES 0dB=1 V/Pa, 1kHz Less than Hz S.P.L. V Max Frequency Response Curve Schematic Diagram EMKAY EMKAY Innovative Products A Knowles Electronics LLC 1151 Maplewood Drive, Itasca, Illinois 60143 Tel 630-250-5100 Fax 630-250-5932 EMKAY PRODUCT SPECIFICATION Polar Pattern Polar plot shows reponce of unit at 1000 Hz. Doc MD9745APZ-F 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 -25°C to +55°C Storage Temperature -25°C to +60°C Humidity: +40°C at 95%RH for 240 hrs Temperature Cycles: 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. Low Temperature: 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. High Temperature: 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. ESD: 10kV Vibration: The microphone to have no interference in operation after vibrations, 10Hz to 55Hz for 1 minute full amplitude 1.52mm, for 2 hours at three axises.

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EMKAY

PRODUCT SPECIFICATION

Doc MD9745APZ-F

This specification applies to the electret condenser microphone outlined within this document.

Model Number MD9745APZ-F

Dimensions:

All dimensions are in mm

Size:

Directivity OMNI-DIRECTIONAL

Board Type PIN

Capacitor s None

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

SPECIFICATION VALUES OMNI-DIRECTIONAL CHRG DIA/FOIL -44 dB ± 100-10,000 Hz 120dB V 10 V mA Within -3dB at 1.5V More than 55 dB None

NOTES
0dB=1 V/Pa, 1kHz Less than Hz S.P.L. V Max

Frequency Response Curve

Schematic Diagram

EMKAY

EMKAY Innovative Products A Knowles Electronics LLC
1151 Maplewood Drive, Itasca, Illinois 60143 Tel 630-250-5100 Fax 630-250-5932

EMKAY

PRODUCT SPECIFICATION

Polar Pattern Polar plot shows reponce of unit at 1000 Hz.

Doc MD9745APZ-F

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 -25°C to +55°C

Storage Temperature -25°C to +60°C

Humidity:
+40°C at 95%RH for 240 hrs

Temperature Cycles:

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.

Low Temperature:

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.

High Temperature:

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.

ESD:
10kV

Vibration:

The microphone to have no interference in operation after vibrations, 10Hz to 55Hz for 1 minute full amplitude 1.52mm, for 2 hours at three axises.

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Datasheet ID: MD9745APZ-F 644956