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SPH0641LU4H-1

Part Number	SPH0641LU4H-1
Manufacturer	Knowles
Description	Digital Zero-Height SiSonic Microphone
Published	Aug 27, 2015
Detailed Description	SPH0641LU4H-1 Digital Zero-Height SiSonicTM Microphone With Multi-Mode And Ultrasonic Support The SPH0641LU4H-1 is a mi...
Datasheet	SPH0641LU4H-1 PDF File

Overview

SPH0641LU4H-1 Digital Zero-Height SiSonicTM Microphone With Multi-Mode And Ultrasonic Support The SPH0641LU4H-1 is a miniature, highperformance, low power, bottom port silicon digital microphone with a single bit PDM output.
Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPH0641LU4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator.
This microphone is suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required.
In addition, the SPH0641LU4H-1 offers multiple performance modes and supports ultrasonic applications.
Features:  High SNR of 64dB  Low Current Consumption of 235uA in Low-Power Mode  Multiple performance modes (Sleep, Low-Power, Standard Performance and Ultrasonic Modes)  Flat Frequency Response  RF Shielded  Zero-Height MicTM  Supports Dual Multiplexed Channels  Standard SMD Reflow  Omnidirectional  Ultrasonic Support  Sensitivity Matching  Small Size Revision: A Sheet 1 of 15 5/16/2014 ©2014 Knowles Electronics SPH0641LU4H-1 1.
ABSOLUTE MAXIMUM RATINGS Parameter VDD, DATA to Ground CLOCK to Ground SELECT to Ground Input Current Short Circuit Current to/from DATA Temperature Range Absolute Maximum Rating -0.
3, +5.
0 -0.
3, +5.
0 -0.
3, +5.
0 ±5 Indefinite to Ground or VDD -40 to +100 Units V V V mA sec °C Stresses exceeding these “Absolute Maximum Ratings” may cause permanent damage to the device.
These are stress ratings only.
Functional operation at these or any other conditions beyond those indicated under “Acoustic & Electrical Specifications” is not implied.
Exposure beyond those indicated under “Acoustic & Electrical Specifications” for extended periods may affect device reliability.
2.
ACOUSTIC & ELECTRICAL SPECIFICATIONS TEST CONDITIONS: 23 ±2°C, 55±20% R.
H.
, VDD=1.
8 V, fCLOCK=2.
4 MHz, SE...

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SPH0641LU4H-1 Digital Zero-Height SiSonic Microphone - Knowles

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