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ADMP441 датащи(PDF) 1 Page - Analog Devices |
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ADMP441 датащи(HTML) 1 Page - Analog Devices |
1 / 16 page Omnidirectional Microphone with Bottom Port and I2S Digital Output Data Sheet ADMP441 Rev. B Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2011–2012 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Digital I²S interface with high precision 24-bit data High SNR of 61 dBA High sensitivity of −26 dBFS Flat frequency response from 60 Hz to 15 kHz Low current consumption of 1.4 mA High PSR of −75 dBFS Small 4.72 mm × 3.76 mm × 1 mm surface-mount package Compatible with Sn/Pb and Pb-free solder processes RoHS/WEEE compliant APPLICATIONS Teleconferencing systems Gaming consoles Mobile devices Laptops Tablets Security systems FUNCTIONAL BLOCK DIAGRAM ADMP441 ADC POWER MANAGEMENT SCK SD WS FILTER I2S SERIAL PORT HARDWARE CONTROL Figure 1. BOTTOM TOP Figure 2. Isometric Views of ADMP441 Microphone Package GENERAL DESCRIPTION The ADMP4411 is a high performance, low power, digital output, omnidirectional MEMS microphone with a bottom port. The complete ADMP441 solution consists of a MEMS sensor, signal conditioning, an analog-to-digital converter, antialiasing filters, power management, and an industry standard 24-bit I²S inter- face. The I²S interface allows the ADMP441 to connect directly to digital processors, such as DSPs and microcontrollers, with- out the need for an audio codec in the system. The ADMP441 has a high SNR and high sensitivity, making it an excellent choice for far field applications. The ADMP441 has a flat wideband frequency response, resulting in natural sound with high intelligibility. The ADMP441 is available in a thin 4.72 mm × 3.76 mm × 1 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation. The ADMP441 is halide free. 1 Protected by U.S. Patents 7,449,356; 7,825,484; 7,885,423; and 7,961,897. Other patents are pending. |
Аналогичный номер детали - ADMP441 |
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Аналогичное описание - ADMP441 |
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