SPM0204LE5H

Manufacturer Part NumberSPM0204LE5H
DescriptionMICROPHONE, -38DB, OMNI
ManufacturerKnowles Acoustics
SPM0204LE5H datasheet
 

Specifications of SPM0204LE5H

Transducer FunctionMicrophoneDevice TypeMicrophone
DirectivityOmniConnector TypeSMD
Sensitivity-38 ±3dBLength3.76mm
Supply Voltage3.6VSupply Voltage Max3.6V
Supply Voltage Min1.5VDrain Current Max250µA
Rohs CompliantYesLead Free Status / RoHS StatusLead free / RoHS Compliant
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Acoustic Interface Design Guide
MEMS MICROPHONES
ECMs
SPECIALTY MICROPHONES
SPECIALTY SPEAKERS
CUSTOM ASSEMBLIES
ACOUSTIC SOFTWARE
MICROPHONE AND SPEAKER BASICS

SPM0204LE5H 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

    ... Discover 2 your next acoustic interface solution. Knowles Acoustics offers you a full spectrum of MEMS microphones, electret condenser microphones, specialty microphones, balanced armature speakers, custom assemblies, and sound conditioning software. This application guide will help you select the right acoustic interface solution. 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 ...

  • 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 ...

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    MICROPHONES – MEMS SiSonic ™ MEMS Microphones The SiSonic ™ MEMS microphone series is entering its fourth generation of development, with product shipments exceeding 400 million units to date. The proven and evolving design series continues to support high-performance, high-density ...

  • Page 5

    Ultra Mini Package - 3.76 x 2.95 x 1.10 (mm) • New Ultra Mini with footprint of 11mm • Flexible designs available with/without RF filtering and built in amplifier • Ideal for miniature consumer electronics ...

  • Page 6

    MICROPHONES – ECMs Electret Condenser Microphones Electret Condenser Microphones (ECM) are for general use in all electronic products requiring a microphone. ECMs provide good acoustic performance and reliability under non-severe environmental conditions. • Highly efficient electrical specifications • Industry standard ...

  • Page 7

    Omni-Directional – Size (mm) 6X1.3 6x1.5 6x2.2 6x2.7 6X5 -10 -20 -30 100 -10 -20 -30 100 Omni-Directional – 9.7 mm Size (mm) 9.7x4 -10 -20 -30 100 Notes: ...

  • 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

    ... 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

    ... SPECIALTY TRANSDUCERS – Microphones EK/EL SERIES – Microphone Omnidirectional (EK), Unidirectional (EL) 4.00 x 5.59 x 2.28 (mm) EK omnidirectional microphones provide a unique combination of size, performance and value. Its high electroacoustic sensitivity and low noise make this microphone an excellent choice for applications where space allows. These popular microphones are available in many model varieties. • ...

  • Page 11

    ... DIA -49.0±3 BL-23497-000 25.4 x 12.7 DIA -49.0±3 BL-27046-000 7.87 x 5.54 x 2.23 -49.0±3 Note: All performance curves are typical SPECIALTY TRANSDUCERS – Microphones Nominal Impedance Nominal DC Resistance at 1kHz (Ohms) at 20° C (Ohms) OJn 3900 900 Dual 300 75.5 Max. Amplifi ...

  • Page 12

    ... SPECIALTY TRANSDUCERS – Microphones WP SERIES – Waterproof Microphone Omnidirectional, Noise Canceling 4.00 x 5.59 x 2.28 (mm) Knowles’ waterproof microphones survive immersion in water. The WP Series’ form factor is a very small size with low vibration sensitivity. The excellent noise canceling performance is useful for sensors and instrumentation. The WP Series are available in boom microphone packages. (See the FB Series and PNR/PWP Series for details.) • ...

  • Page 13

    ... Microphone Directivity Element PNR-23539-000 NR-23160-000 Noise Canceling PNR-23868-000 NR-25997-C97 Noise Canceling PNR-23249-000 NR-23160-000 Noise Canceling Note: All performance curves are typical SPECIALTY TRANSDUCERS – Microphones Microphone Nominal Boom Configuration Diameter (mm) 3-WIRE 4 2-WIRE 6 2-WIRE 4 3-WIRE 5 Microphone Nominal Boom Confi ...

  • Page 14

    ... SPECIALTY TRANSDUCERS – Accelerometers & Dampers BU SERIES – Accelerometer 7.87 x 5.54 (mm) BU Series Accelerometers are frequently used as contact microphones for radio communications in high noise environments such as firefighting or combat. The accelerometers reproduce voice signals from vibrations at the throat or from bony parts of the head, and are compatible with helmet or headset applications. ...

  • Page 15

    ... Combine with low/mid-range speaker for extended frequency response • TWFK pairs WBFK with low frequency FK Sensitivity @ 1kHz (dB SPL) WBFK-30095-000 91 Note: All performance curves are typical SPECIALTY TRANSDUCERS – Speakers Impedance @ 500Hz Max SPL @ 500Hz Port Location (Ohms) (dB SPL) 12S 31 Impedance @ 500Hz Max SPL @ 500Hz ...

  • 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 output • Two-terminal zero-bias configuration • ...

  • Page 17

    ... Rounded corners for improved fit rates; 10% smaller cross-section compared to EH speaker Sensitivity @ 1kHz (dB SPL) FC-26171-000 104 FC-26887-000 100 SPECIALTY TRANSDUCERS – Speakers Impedance @ 500Hz Max SPL @ 500Hz Port Location (Ohms) (dB SPL) 12C 130 Impedance @ 500Hz Max SPL @ 500Hz Port Location ...

  • Page 18

    ... SPECIALTY TRANSDUCERS – Speakers 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 • ...

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    ... ED-23814-000 104 ED-26245-000 104 ED-26598-000 102.5 ED-26821-000 102.5 ED-27045-000 104 ED-27230-000 104 ED-27304-000 104 ED-29689-000 104 SPECIALTY TRANSDUCERS – Speakers Impedance @ 500Hz Max SPL @ 500Hz Port Location (Ohms) (dB SPL) 12C 65 12N 26 ™ Impedance @ 500Hz Max SPL @ 500Hz Port Location (Ohms) (dB SPL) ...

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    ... SPECIALTY TRANSDUCERS – Speakers EC SERIES – Balanced Armature Speaker 7.57 x 4.31 x 3.67 (mm) EC Series speakers are commonly used in isolating earphones for radio communication. • Similar SPL output to the BK Series • Rounded corners on the face opposite the terminal pad • 34% smaller volume than the BK Series ...

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    ... Tailored bandwidth for superb speech intelligibility Sensitivity @ 1kHz (dB SPL) CM-23152-000 103 CM-23299-000 103 CM-28421-000 103 CM-28431-000 103 CM-28452-000 103 SPECIALTY TRANSDUCERS – Speakers Impedance @ 500Hz Max SPL @ 500Hz Port Location (Ohms) (dB SPL) 12S 285 12S 2320 12S 60 1S 450 12S ...

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    ... 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 bass performance. • Round package facilitates earphone designs • ...

  • Page 23

    ... Can function as a microphone or beeper • Various impedances • Face and edge port locations available Sensitivity @ 1kHz (dB SPL) CB-22849-000 73 CB-22850-000 73 CB-23817-000 83 SPECIALTY TRANSDUCERS – Speakers Impedance @ 500Hz Max SPL @ 500Hz Port Location (Ohms) (dB SPL) Face 21 Impedance @ 500Hz Max SPL @ 500Hz Port Location (Ohms) (dB SPL) Edge ...

  • 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

    INTELLISONIC ™ The intelligibility and use of mobile communications are often impeded by the impact of noise from the immediate environment. IntelliSonic is a software-based speech enhancement technology that when coupled with Knowles’ microphones, reduces the effects of reverberation, directionally ...

  • Page 26

    MICROPHONE AND SPEAKER BASICS MICROPHONE AND SPEAKER BASICS MICROPHONES Microphones measure sound pressure. Inside a Knowles microphone is a thin flexible diaphragm, an electrically charged plate, and an amplifier (Fig. 1). The output voltage is proportional to changes in the ...

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    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, ...

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    ... Knowles North & 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 ...