SPH18R1LM4H-1 LOW-POWER MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE

PublishTime：2024-03-05

●The SPH18R1LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles' proven high performance SiSonic™ MEMS technology, the SPH18R1LM4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, sensors, and other portable electronic devices where low power and excellent wideband audio performance and RF immunity are required. In addition, the SPH18R1LM4H-1 offers multiple performance modes.
●PRODUCT FEATURES
■Low Current Consumption
■Low Latency
■High SNR
■Excellent Robustness and Reliability
■Flat Frequency Response
■High Drive Capability
■RF Shielded
■Bottom Port
■Sensitivity Matching
■Supports Dual Multiplexed Channels
■Multiple Performance Modes (Sleep, Low-Power, Normal)
■Ultra-Stable Performance
■Omnidirectional
■Standard SMD Reflow
■LGA Package

Brand of Product：	Knowles
Part#：	SPH18R1LM4H-1 More Part#
Product Category：	LOW-POWER MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE 、 miniature, high-performance, low power, bottom port silicon digital microphone More
Application：	[ Smartphones ][ TWS ][ Wearables ][ IOT ][ Far Field Recordings ][ Audio Zoom ][ Always-On Applications ][ cellphones ][ sensors ][ portable electronic devices ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：	LGA
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2/15/2024
Version Number：	Rev A
Data Encoding：
Data Size：	4.4 MB

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