KAS-700-0142

KAS-700-0142 Mics on Flex, 2 Pack, SPH0644LM4H-1, CORNELL, Bottom Port PDM Knowles robust, SPH0644LM4H-1 high-performance digital microphone mounted on flexable bias boards ASSEMBLY OVERVIEW KAS-700-0042 MIC ON FLEX BOM
Bottom Port PDM microphone mounted to flexible bias board.
SPH0644LM4H-1, Bottom port digital microphone
For use with Knowles “Muskie” Microphone Evaluation Kit. Part# KAS-33100-0004
BYPASS CAPACITOR, 0.1uF, 0.1 F ±10% 16V, X5R, 0402
KCB3295 FLEX CIRCUIT PCB
65.5dB Signal-to-Noise Ratio (SNR) in a small footprint, ideal for a wide range of use cases in smartphones and mobile devices
10% THD at 132.5 dB SPL and a large dynamic range enables improved barge-in performance and resilience to wind noise turbulence
±1 dB sensitivity matching and a noise-immune PDM output enhance multi-mic architecture performance and ease system integration FLEX CIRCUIT DIMENSIONS KEY PARAMETERS SPECIFICATIONS Signal-to-noise ratio (SNR) 65.5 dB (A) Acoustic Overload Point (1% / 10% AOP) 114.5 dB SPL / 132.5 dB SPL FLEX CIRCUIT PINOUTS Low Frequency Roll Off (LFRO) 35 Hz Bandwidth (±3dB) 14 kHz Current consumption 900 uA The table below shows the pinout for the flex connector. The same connector can be used for all microphone flexes, regardless of port orientation or electrical interface. Sensitivity and Tolerance -37 ± 1 dB FS Supply voltage 1.65 to 3.6V Interface PDM Digital Clock Rates Supported (Normal Mode) Flex Pin# Flex Marking 1.1 to 4.8 MHz 1 G Ground Port location Bottom Port 2 P Power Package dimensions 3.50 x 2.65 x 0.98 mm 3 D Data 4 K Bit Clock 5 S Select 6 G Ground MICROPHONE DIMENSIONS (MM) Signal ADDITIONAL INFORMATION For inquiries, please visit the Knowles website at https://www.knowles.com/subdepartment/evaluationkits/dpt-microphones/subdpt-sisonic-surface-mount-mems Or contact your nearest Knowles representative. DISCLAIMER INFORMATION The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With respect to any examples given herein, any typical values stated herein and/or any information regarding the application of the device, Knowles Electronics, LLC hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellectual property rights of any third party. For further information on technology, delivery terms and conditions and prices, please contact a Knowles representative. © 2019, Knowles Electronics, LLC, Itasca, IL USA. All Rights Reserved. Knowles and the logo are trademarks of Knowles Electronics, LLC.