MIC OMNI .9-10VDC -36DB SENS

EM-23069-000

Manufacturer Part NumberEM-23069-000
DescriptionMIC OMNI .9-10VDC -36DB SENS
ManufacturerKnowles Acoustics
SeriesEM/BEM
TypeElectret Condenser
EM-23069-000 datasheets
 


Specifications of EM-23069-000

Sensitivity-56dB ±3dBVoltage - Rated1.3V
Current50µASize / DimensionSquare - 3.61mm L x 3.61mm W x 2.28mm H
Impedance4.4K OhmFrequency100Hz ~ 7.4kHz
TerminationScrew TerminalsDirectionOmnidirectional
Port LocationTopDimensions3.61 mm L x 3.61 mm W x 2.21 mm D
Depth2.21 mmLength3.61 mm
Width3.61 mmLead Free Status / RoHS StatusLead free / RoHS Compliant
Filter Type-S/n Ratio-
Other namesEM-23069
EM-3069
EM-3069
Q3180308
  
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Acoustic Interface Design Guide
MEMS MICROPHONES
ECMs
SPECIALTY MICROPHONES
SPECIALTY SPEAKERS
CUSTOM ASSEMBLIES
ACOUSTIC SOFTWARE
MICROPHONE AND SPEAKER BASICS

EM-23069-000 Summary of contents

  • Page 1

    ... Acoustic Interface Design Guide MEMS MICROPHONES ECMs SPECIALTY MICROPHONES SPECIALTY SPEAKERS CUSTOM ASSEMBLIES ACOUSTIC SOFTWARE MICROPHONE AND SPEAKER BASICS ...

  • Page 2

    ... Knowles reserves the right to change designs and specifications without prior notice. Should a safety concern arise regarding this product, please contact us immediately for technical consultation. Knowles cannot assume responsibility for any problems arising out of the use of this product. This information does not convey any license by any implication under any patents or other right. ...

  • Page 3

    ... For support from concept to design to sub-assembly, or any step along the way, just call us. Or visit us at www.knowles.com Table of Contents MICROPHONES - MEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 MICROPHONES - ECMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 SPECIALTY TRANSDUCERS - MICROPHONES . . . . . . . . . . . . . . . . 9-14 ACCELEROMETERS & DAMPERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 SPECIALTY TRANSDUCERS - SPEAKERS . . . . . . . . . . . . . . . . . . 15-23 CUSTOM ASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 ACOUSTIC SOFTWARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 MICROPHONE AND SPEAKER BASICS . . . . . . . . . . . . . . . . . . . . 26-27 www.knowles.com 3 ...

  • Page 4

    ... Design variables include ever-smaller sizes, lower profiles and mounting options, increased output capacities, and new digital audio options that eliminate analog noise. For manufacturers, surface mount designs eliminate off-line subassembly production costs. Customized designs are supplied on tape-and-reel and can be run through standard automatic pick-n-place equipment during in-line surface mount manufacturing ...

  • Page 5

    ... 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 Description ...

  • Page 6

    ... Multiple terminations - Solderless, Pin Type, and Solder Pad • Used in a wide variety of applications, including wired and wireless headsets, corded and cordless phones, PDAs, notebooks, and mobile phones Part Number System and Ordering Information MB3 C-1 Omni-Directional – Size (mm) 3x1.5 ...

  • Page 7

    ... Part Number Sensitivity (db) Filter MD9745APA-1 -41.0±3 10pF MD9745APZ-F -42.0±2 None 9.7x4.5 FREQUENCY RESPONSE 10k FREQUENCY (Hz) www.knowles.com MICROPHONES – ECMs Filter Termination Solder Type Solder Type Solder Type Pin Type PCB, Bullseye Solder Type Solder Type 6x1.5 FREQUENCY RESPONSE -10 -20 - ...

  • Page 8

    ... FREQUENCY (Hz) Value Added Microphone Assemblies Knowles Acoustics has over 60 years experience with precision assembly for demanding applications. By allowing Knowles to work with your design engineers we are typically able to provide a lower overall cost (time to market, R&D expenses, production scrap and inventory issues) with some of the highest quality standards in the industry. ...

  • Page 9

    ... Numerous port locations • Wide range of frequency responses Sensitivity @1kHz Supply (Vdc) (dB re1V/1Pa) EM-23046-P16 -36.0±3 EM-23069-000 -36.0±3 Note: All performance curves are typical SPECIALTY TRANSDUCERS – Microphones Max. “A” Weighted Max. Amplifier Noise (1 kHz Current Drain (uA) Equivalent SPL ...

  • Page 10

    ... Noise Canceling 4.00 x 5.59 x 2.28 (mm) The NR Series close talking microphones deliver state-of-the-art noise canceling performance. NR microphones are used as headset microphones in the most demanding communication and speech recognition environments. The NR Series microphones are available in boom microphone packages. (See the FB Series and PNR/PWP Series for details.) • ...

  • Page 11

    ... Knowles’ Piezo Ceramic Microphones (BL Series) are rugged, stable and versatile. BL microphones are available in three different package sizes: standard, thin or 0.5" cylindrical shell and cable assembly. Both communication and broadband frequency response versions are offered. In addition, BL microphones have high vibration sensitivity and may be used as accelerometers. • ...

  • Page 12

    ... Waterproof Microphone Omnidirectional 22.12 DIA x 9.3 (mm) The MR Series Assemblies consist of a microphone element attached to a waterproof bellows assembly. They may be panel mounted, attached for boom applications, and are suitable for outdoor use or repeated submersion. • Highly waterproof – no loss of performance after immersion in 15-20 m water • ...

  • Page 13

    ... FB Series are available in metallic, flexible boom styles, which utilize a wide array of microphone elements, giving superb noise rejection and high-frequency crossover of near and far field responses. FB’s are utilized in a variety of aircraft audio systems and radio communication helmets. Knowles offers customized lengths and end terminations to meet your application needs. • ...

  • Page 14

    ... BU-27135-000 2.24 BF Series – Acoustic Dampers Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the speaker outlet and the ear canal to smoothen the frequency response. • Smoothen and shape frequency response • Various acoustical resistances and sizes ...

  • Page 15

    ... Knowles balanced armature speakers are available in several sizes and efficiencies, which can be finely tuned to meet your specific performance requirements. They are designed for use in in-ear applications, including earphones and communication earpieces sub-assembled by Knowles for premium consumer electronics accessories. • ...

  • Page 16

    SPECIALTY TRANSDUCERS – Speakers FK SERIES – Balanced Armature Speaker 5.00 x 2.73 x 1.93 (mm) The world’s smallest balanced-armature speaker, the FK Series is designed for applications where size is the most important design concern. • 114dB SPL maximum ...

  • Page 17

    ... HC-23761-000 101 – Balanced Armature Speaker 5.18 x 3.55 x 3.00 (mm) FC SERIES FC Series speakers may be used for small radio communication earphones where ED size does meet package requirements. Rounded corners make it slightly smaller compared to EH Series speakers. • Available in High-Output HC speaker version • ...

  • Page 18

    ... EH SERIES – Balanced Armature Speaker 5.19 x 3.55 x 3.00 (mm) EH Series speakers are approximately 2/3 the size of ED speakers and may be used for small radio communication earphones where ED size does not meet package requirements. • Balanced-armature, magnetic technology to give high efficiency, stability and reliability • ...

  • Page 19

    FED SERIES – Balanced Armature Speaker 6.32 x 4.31 x 2.47 (mm) The addition of Ferrofluid ™ to Knowles ED series speakers improves mechanical shock survival and provides peak damping to smooth frequency response. • Ferrofluid ™ damped with 2dB, ...

  • Page 20

    ... TEC-30033-000 119 – Balanced Armature Speaker 7.87 x 4.09 x 5.59 (mm) DTEC SERIES The DTEC Series combines two TEC speaker elements with a single round port. Case size is equivalent to BK/EF. DTEC provides increased output and reduced vibration compared to a single speaker. • Dual elements with single sound port • ...

  • Page 21

    BK SERIES – Balanced Armature Speaker 7.87 x 5.59 x 4.01 (mm) BK Series speakers provide broadband performance at value pricing. They are commonly used for full range in-ear speakers and communications utilizing an earplug design. • High efficiency and ...

  • Page 22

    SPECIALTY TRANSDUCERS – Speakers SR SERIES – Balanced Armature Speaker 8.84 DIA x 5.00 (mm) At 8.8mm diameter, the SR is the first round balanced armature speaker in the marketplace. SR offers output equivalent to the BK series and maximizes ...

  • Page 23

    ... Balanced Armature Speaker 25.15 x 25.15 x 9.65 (mm) The CB Series Transceiver offers high electro-acoustic efficiency to conserve power in push-to-talk radio handsets and other battery operated equipment. The CB is available with mounting pins to facilitate assembly board. Model CB-23817-000 is designed to survive submersion in water. • Excellent sound quality • ...

  • Page 24

    ... Knowles Acoustics. COMPLETE SOLUTION Knowles Acoustics Finished Goods program offers reduced time to market at an ultimately reduced total manufacturing cost of acoustic product ownership. Support in design, application, assembly and testing are all elements included in our services. Off-the-shelf designs are also available. Design Support • ...

  • Page 25

    ... DXEC01 1 DXEC02 2 LICENSING A license per end user copy is recommended. This allows access to continued improvements and new releases. The license fee is dependent upon volumes and product platforms. SUPPORTED PLATFORMS • Operating System: Windows ® XP/2000 (supports AC’97 and HDAudio), Windows CE ACOUSTIC PORTING • ...

  • Page 26

    ... The motion of the diaphragm produces a small electrical signal that is amplifi miniature circuit inside the microphone. The sensitivity of a typical Knowles’ microphone is measured in units of dB relative to 1 Volt per 0.1 Pascal. Fig 1: Cross section of a Knowles EM microphone OUTPUT TERMINAL AMPLIFIER CHARGE PLATE FIG ...

  • Page 27

    SPEAKERS The speaker converts an electrical signal into sound. A cross section of a typical Knowles speaker is shown in Fig. 3. The basic components of the speaker are: a coil of wire, a metal U-shaped reed called the armature, ...

  • Page 28

    ... South America World Headquarters Manufacturing Sales & Application Engineering Knowles Acoustics maintains sales, marketing, engineering and manufacturing globally. For immediate assistance on your specific requirements, please call the nearest facility listed below. AMERICAS: EUROPE: Knowles Acoustics Knowles Acoustics 1151 Maplewood Drive York Road, Burgess Hill Itasca, IL 60143 U ...