Datasheet4U Logo Datasheet4U.com

SPH1668LM4H-1 - Silicon Digital Microphone

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.

📥 Download Datasheet

Datasheet Details

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

📁 Similar Datasheet

Part Number Description Manufacturer
SPH GENERAL-PURPOSE FAILSAFE MOLDED WIREWOUND RESISTOR WIREWOUND AND FILM TECHNOLOGIES
SPH-002T-P0.5L CONNECTOR JST
SPH-002T-P0.5S CONNECTOR JST
SPH-004T-P0.5S CONNECTOR JST
SPH201610H100MT Wire Wound SMD Power Inductors Sunlord

Other Datasheets by Knowles

Part Number Description
SPH1642HT5H-1 Sensitivity top port silicon microphone
SPH0641LM4H-1 MULTIMODE DIGITAL BOTTOM PORT SISONIC MICROPHONE
SPH0641LU4H-1 Digital Zero-Height SiSonic Microphone
SPH0645LM4H-B I2S Output Digital Microphone
SPH0690LM4H-1 MICROPHONE

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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. In addition, the SPH1668LM4H-1 offers multiple performance modes Features:  Low Distortion of 1.