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SPH1668LM4H-1 Datasheet Silicon Digital Microphone

Manufacturer: Knowles

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Datasheet Details

Part number SPH1668LM4H-1
Manufacturer Knowles
File Size 759.57 KB
Description Silicon Digital Microphone
Datasheet download datasheet SPH1668LM4H-1 Datasheet

Overview

SPH1668LM4H-1 Digital Zero-Height SiSonicTM Microphone With Multiple Performance Modes The SPH1668LM4H-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 SPH1668LM4H-1 consists of an acoustic sensor, a low noise input buffer, and a high performance sigma-delta modulator.

These devices are 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.

Key Features

  • Low Distortion of 1.6% at 120dBSPL.
  • High SNR of 65.5dB.
  • Low Current Consumption of 230uA in Low-Power Mode.
  • Flat Frequency Response.
  • RF Shielded.
  • Zero-Height MicTM.
  • Supports Dual Multiplexed Channels.
  • Standard SMD Reflow.
  • Omnidirectional.
  • Multiple performance modes (Sleep, Low-Power, Performance).
  • Sensitivity Matching.
  • Small Size Revision: A Sheet 1 of 14 03/04/2015 ©2014 Knowles Electronics 1.

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