Knowles SPH0644LM4H-1-8 Bottom Port Digital MEMS Microphone

The SPH0644LM4H-1 is a miniature, high-performance, low power,
bottom port silicon digital microphone with a single bit PDM output.
Using Knowles’ proven high performance SiSonicTM MEMS
technology, the SPH0644LM4H-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, 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
SPH0644LM4H-1 offers multiple performance modes.

Get quote

Features
Highlights
Discover more

Key features

Low Distortion /High AOP • High SNR
Low Current Consumption in Low-Power Mode
Flat Frequency Response
High Drive Capability
RF Shielded
Bottom Port
Sensitivity Matching
Supports Dual Multiplexed Channels
Multiple Performance Modes (Sleep, LowPower, Normal)
Ultra-Stable Performance
Standard SMD Reflow
Omnidirectional
LGA Package

Applications

Consumer Eletronics

knowles-sensors-sph0644lm4h-1-t-digital-microphone datasheet

Download knowles... .pdf (2.89MB)

Discover more

Knowles SPW0690LM4H-1-8 Bottom PORT SISONIC™ MICROPHONE

The SPW0690LM4H-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 SPW0690LM4H-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, 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 SPW0690LM4H-1 offers multiple performance modes.

Knowles SPH0644LM4H-1-T Bottom Port Digital MEMS Microphone

The SPH0644LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPH0644LM4H-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, 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 SPH0644LM4H-1 offers multiple performance modes.

Knowles SPH0645LM4H-1-8 Bottom Port Digital MEMS Microphone

The SPH0645LM4H-1 is a miniature, low power, bottom port microphone with an I2S digital output. The solution consists of a proven high performance SiSonic™ acoustic sensor, a serial Analog to Digital convertor, and an interface to condition the signal into an industry standard 24-bit I2S format. The I2S interface simplifies the integration in the system and allow direct interconnect to digital processors, application processors and microcontrollerss. Saving the need of an external audio codec, the SPH0645LM4H-1 is perfectly suitable for portable applications where size and power consumption are a constraint.

Knowles SPH0690LM4H-1-8 Bottom Port Digital MEMS Microphone

The SPH0690LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output using Knowles' proven high performace SiSonic MEMS technology

Knowles SPU0410LR5H-QB-7 Bottom Port Analog MEMs Microphone

The SPU0410LR5H-QB is a miniature, highperformance, low power, bottom port silicon microphone. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPU0410LR5H-QB consists of an acoustic sensor, a low noise input buffer, and an output amplifier. 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.

Knowles SPV0842LR5H-1-8 Bottom Port MEMS Microphone

The SPV0842LR5H-1 is a miniature, high-performance, low power, matched sensitivity bottom port silicon microphone. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPV0842LR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. 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.

Get the latest news on
products, events and more

Terms & Conditions Privacy Statement Terms of Use