PMM-3738-WP-R Audio Products |
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Allicdata Part #: | 668-1568-2-ND |
Manufacturer Part#: |
PMM-3738-WP-R |
Price: | $ 0.00 |
Product Category: | Audio Products |
Manufacturer: | PUI Audio, Inc. |
Short Description: | MEMS PIEZO MICROPHONE -38 DB 2.1 |
More Detail: | 100Hz ~ 10kHz Analog Microphone Piezo MEMS 1.6V ~ ... |
DataSheet: | PMM-3738-WP-R Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | 0.00000 |
Series: | PMM |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Obsolete |
Moisture Sensitivity Level (MSL): | -- |
Type: | Piezo MEMS |
Output Type: | Analog |
Direction: | Omnidirectional |
Frequency Range: | 100Hz ~ 10kHz |
Sensitivity: | -37dB ±3dB @ 94dB SPL |
S/N Ratio: | 61dB |
Impedance: | 400 Ohms |
Voltage - Rated: | 2.1V |
Voltage Range: | 1.6V ~ 3.6V |
Current - Supply: | 150µA |
Port Location: | Bottom |
Ratings: | IP68 - Dust Tight, Waterproof |
Termination: | Solder Pads |
Size / Dimension: | 0.148" L x 0.166" W (3.76mm x 2.95mm) |
Height (Max): | 0.043" (1.10mm) |
Shape: | Rectangular |
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Microphones
The PMM-3738-WP-R is a type of microphone designed to be used in many different applications. It is an electret condenser type microphone with a cardioid polar pattern. It is designed to be used in a variety of applications including speech recognition, voice control, medical devices, and security applications.
Applications
The PMM-3738-WP-R is an ideal microphone for many applications. It has a wide frequency response of 20Hz to 20kHz, allowing it to be used in a variety of applications which require high-quality recordings. The cardioid polar pattern helps to reduce background noise and improve signal-to-noise ratio. This makes it ideal for applications which require maximum clarity and minimal background noise. It can be used in speech recognition applications, medical devices, video conferencing systems, and more.
Working Principle
The PMM-3738-WP-R works on the principle of an electret condenser microphone. An electric field is created between two electrodes, with an electret material which acts as the insulating layer. When sound waves hit the diaphragm, they create a vibration, which causes the electric field to fluctuate. This fluctuated electric field is then converted into an electrical signal. This signal is then amplified and sent to its destination for processing or storage.
Conclusion
The PMM-3738-WP-R is a versatile microphone which can be used in a number of different applications. Its wide frequency response and cardioid polar pattern make it an ideal choice for applications which require high-quality audio and minimal background noise. Furthermore, its working principle is based on an electret condenser microphone, which allows it to accurately capture audio from any direction.
The specific data is subject to PDF, and the above content is for reference
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