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ADMP504ACEZ Scheda tecnica(PDF) 1 Page - Analog Devices |
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ADMP504ACEZ Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 12 page Ultralow Noise Microphone with Bottom Port and Analog Output Data Sheet ADMP504 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2011 Analog Devices, Inc. All rights reserved. FEATURES Tiny, 3.35 mm × 2.5 mm × 0.88 mm surface-mount package Omnidirectional response Very high SNR of 65 dBA Sensitivity of −38 dBV Extended frequency response from 100 Hz to 20 kHz Low current consumption: 180 μA Single-ended analog output 120 dB maximum SPL High PSR of 70 dBV Compatible with Sn/Pb and Pb-free solder processes RoHS/WEEE compliant APPLICATIONS Smartphones and feature phones Tablet computers Teleconferencing systems Digital still and video cameras Bluetooth headsets Notebook PCs Security and surveillance FUNCTIONAL BLOCK DIAGRAM OUTPUT AMPLIFIER ADMP504 POWER VDD GND OUTPUT Figure 1. TOP ISO BOTTOM ISO Figure 2. Isometric Views of ADMP504 Microphone Package GENERAL DESCRIPTION The ADMP5041 is a high performance, very low noise, low power, analog output, bottom-ported omnidirectional MEMS microphone. The ADMP504 consists of a MEMS microphone element, an impedance converter and an output amplifier. The ADMP504 sensitivity specification makes it an excellent choice for both near field and far field applications. The ADMP504 is function- and pin-compatible with the ADMP404 microphone, providing an easy upgrade path. The ADMP504 has very high SNR and extended wideband frequency response, resulting in natural sound with high intelligibility. Low current consumption enables long battery life for portable applications. A built-in particle filter provides high reliability. The ADMP504 complies with the TIA-920 Telecommunications Telephone Terminal Equipment Transmis- sion Requirements for Wideband Digital Wireline Telephones standard. The ADMP504 is available in an ultraminiature 3.35 mm × 2.5 mm × 0.88 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation. The ADMP504 is halide free. 1 Protected by U.S. Patents 7,449,356; 7,825,484; 7,885,423; 7,961,897. Other patents are pending. |
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