EK-28585-C37 Allicdata Electronics
Allicdata Part #:

EK-28585-C37-ND

Manufacturer Part#:

EK-28585-C37

Price: $ 0.00
Product Category:

Audio Products

Manufacturer: Knowles
Short Description: MICROPHONE
More Detail: 100Hz ~ 10kHz Analog Microphone Electret Condenser...
DataSheet: EK-28585-C37 datasheetEK-28585-C37 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: EK
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Obsolete
Moisture Sensitivity Level (MSL): --
Type: Electret Condenser
Output Type: Analog
Direction: Omnidirectional
Frequency Range: 100Hz ~ 10kHz
Sensitivity: -53dB +2dB, -4dB @ 74dB SPL
S/N Ratio: --
Impedance: 4.4 kOhms
Voltage - Rated: 1.3V
Current - Supply: 50µA
Port Location: Side
Termination: Solder Pads
Size / Dimension: 0.219" L x 0.157" W (5.56mm x 3.99mm)
Height (Max): 0.089" (2.26mm)
Shape: Rectangular
Description

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The EK-28585-C37 is essentially a miniature electret microphone often used in audio recording applications, especially in miniature or low-power acoustic systems. It has been used in consumer-grade VoIP (Voice-over-Internet Protocol) phone systems and provides a highly accurate, low-distortion sound reproduction. It is also suitable for use in a wide range of applications such as audio measurement and testing, medical monitoring, and noise cancellation.

The EK-28585-C37 consists of a couple of thin strips of a metalized plastic self-generating polarizing surface which produces a steady electrical potential. This potential is captured by a metallic electrode and utilized to power a tiny diaphragm (electro-mechanical transducer), embedded within the microphone. The diaphragm is connected to an integrated, encapsulated, low-noise amplifier circuit which is responsible for boosting the signal from the diaphragm for further processing and conversion into a digital signal.

The principal benefit of this microphone lies in its ability to accurately reproduce sound without introducing distortions. The amplifier circuit is integrated within the capsule and is designed to operate under a wide range of environmental conditions. It is also capable of amplifying very faint sounds into a workable, useful signal. This makes it suitable for use in both high and low-noise environments.

The EK-28585-C37 is usually packaged in a small rectangular enclosure, which may be designed for surface mounting, for insertion into a PCB, or for use as a ‘bubble’ microphone. It is also possible to obtain the microphone in a more standard cylindrical package, however the busier enclosure results in fewer applications.

The microphone is powered by two wires, which provide a constant voltage of between 1.8 and 5V. Depending on the exact design of the microphone, this voltage may be reversed in order to provide a polarizing field, or may simply supply the necessary power for the amplifier circuit.

Due to its small size and ability to accurately reproduce sound, the EK-28585-C37 has become popular with audiophiles, cinema operators, and recording engineers. It has also found its way into many other applications such as hands-free devices, medicalwear microphones, and sound reinforcement equipment. Its small size allows for excellent integration into a variety of tasks requiring excellent sound reproduction in confined spaces, where a bigger microphone could not be used.

In conclusion, the EK-28585-C37 microphone is a highly useful and versatile device which finds its place in a wide range of applications. Its compact size, low power consumption, and reliability make it a great choice for audio recording in a variety of use cases. The microphone is not the most sensitive device available, but its robustness and accuracy mean that it can provide a solid, reliable solution for many sound recording needs.

The specific data is subject to PDF, and the above content is for reference

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