SPH0645LM4H
Goertek SPH0645LM4H premium digital MEMS microphone with 66dB SNR for professional audio applications.
Product Overview
Description
The SPH0645LM4H is a premium digital MEMS microphone featuring 66dB SNR for professional-grade audio capture. The PDM output provides excellent audio quality for demanding applications.
This microphone delivers superior audio performance for high-end smartphones, professional audio equipment, and premium IoT devices. The enhanced SNR provides exceptionally clean audio with minimal background noise.
With advanced MEMS technology and robust design, the SPH0645LM4H is ideal for applications requiring the highest audio quality.
Product Series
SPH
Primary Application
Premium smartphones
Key Features
- 66dB signal-to-noise ratio
- PDM digital output
- Premium audio quality
- Compact 3.76mm x 2.95mm package
- Low power consumption 220μA
- Industrial temperature range
Specifications
| Type | Digital MEMS Microphone |
|---|---|
| Output | PDM |
| SNR | 66dB |
| Sensitivity | -26dBFS |
| Frequency Range | 100Hz - 10kHz |
| Current Consumption | 220μA |
| Operating Voltage | 1.5V - 3.6V |
| Package | 3.76mm x 2.95mm x 1.1mm |
| Temperature Range | -40°C to +85°C |
Applications
Premium smartphones
Electronic system design
Professional audio
Electronic system design
High-end IoT
Electronic system design
Studio recording
Electronic system design
Broadcast equipment
Electronic system design
FAE Expert Insights
"The SPH0645LM4H is the premium tier of Goertek's digital MEMS microphone lineup. The 66dB SNR is exceptional and provides professional-grade audio quality. I have used this microphone in high-end audio recording applications with outstanding results. The audio quality rivals much more expensive studio microphones. For applications where only the best audio quality will suffice, the SPH0645LM4H is the ideal choice."
Premium digital MEMS microphone with 66dB SNR
— Senior FAE Team, BeiLuo
Frequently Asked Questions
What makes SPH0645LM4H a premium microphone?
The SPH0645LM4H features 66dB SNR, which is 2dB better than standard digital microphones. This improvement provides noticeably cleaner audio with less background noise. The microphone also features tighter manufacturing tolerances and enhanced reliability testing. Contact BeiLuo FAE team for additional guidance and support.
Premium choice for applications requiring best audio quality.
Is SPH0645LM4H suitable for studio recording?
Yes, the SPH0645LM4H is suitable for portable studio recording and professional audio applications. While dedicated studio microphones may offer higher specifications, the SPH0645LM4H provides excellent quality in a compact, low-power package ideal for portable equipment. Contact BeiLuo FAE team for additional guidance and support.
Excellent for portable professional recording equipment.
What is relates to SPH0645LM4H?
The SPH0645LM4H has low total harmonic distortion (THD) of less than 1% at 94dB SPL. This ensures clean, undistorted audio capture even at high sound pressure levels. The low THD is important for professional audio applications. Contact BeiLuo FAE team for additional guidance and support.
Low THD ensures clean audio capture.
How does SPH0645LM4H compare to studio microphones?
While dedicated studio microphones may have higher specifications, the SPH0645LM4H offers an excellent balance of performance, size, and power consumption. The 66dB SNR rivals entry-level studio microphones, while the compact size enables integration in portable devices. For portable professional equipment, the SPH0645LM4H is an excellent choice. Contact BeiLuo FAE team for additional guidance and support.
Excellent performance for portable professional equipment.
What is the lead time for SPH0645LM4H?
Standard lead time for SPH0645LM4H is 10-14 weeks for production quantities due to premium positioning. Samples are typically available from stock with 2-3 week delivery. Contact sales for current availability. Contact BeiLuo FAE team for additional guidance and support.
Plan 14-week lead time for production orders.
Can SPH0645LM4H be used in broadcast equipment?
Yes, the SPH0645LM4H is suitable for broadcast equipment, especially portable field recording devices. The high SNR and low distortion meet broadcast quality requirements. The compact size and low power are advantages for portable equipment. Contact BeiLuo FAE team for additional guidance and support.
Suitable for portable broadcast recording equipment.