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Same model may have multiple batches, images only for reference.
SPH0644LM4H-1 Real Image
Same model may have multiple batches, images only for reference.

SPH0644LM4H-1

Part No SPH0644LM4H-1
Manufacturer Knowles
Catalog Microphones
Description MIC MEMS DIGITAL PDM OMNI -37DB / 20 Hz ~ 10 kHz Digital, PDM Microphone MEMS (Silicon) 1.6 V ~ 3.6 V Omnidirectional (-37dB ±1dB @ 94dB SPL) Solder Pads
Datasheet
SPH0644LM4H-1 Datasheet
Sample
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ECAD Module
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Products specifications Report Issue?

Category Audio Products - Microphones
Mfr Knowles
Series SiSonic™ SPH
Package Tape & Reel
Product Status Not For New Designs
Type MEMS (Silicon)
Output Type Digital, PDM
Direction Omnidirectional
Frequency Range 20 Hz ~ 10 kHz
Sensitivity -37dB ±1dB @ 94dB SPL
S/N Ratio 65.5dB
Voltage Range 1.6 V ~ 3.6 V
Current - Supply 1.4 mA
Port Location Bottom
Termination Solder Pads
Size / Dimension 0.138" L x 0.104" W (3.50mm x 2.65mm)
Height (Max) 0.043" (1.08mm)
Shape Rectangular
Standard Package 5,900 pcs
MSL Level 1 (Unlimited)
ECCN EAR99
HTSUS 8518.10.8030
Win Source Part Number 897065-SPH0644LM4H-1
Ultra Librarian 3D Model Ultra Librarian SPH0644LM4H-1 CAD Model

Description

The SiSonic™ SPH0644LM4H-1 is a MEMS (Silicon) microphone designed for audio applications. It features a frequency range of 20 Hz to 10 kHz, making it suitable for capturing a wide range of sounds.

  • Series: SiSonic™ SPH
  • Type: MEMS (Silicon) Microphone
  • Frequency Range: 20 Hz to 10 kHz
  • Direction: Omnidirectional
  • Sensitivity: -37dB ±1dB @ 94dB SPL
  • Signal-to-Noise Ratio: 65.5dB
  • Voltage Range: 1.6V to 3.6V
  • Current: 1.4mA
  • Size: 0.138" L x 0.104" W (3.50mm x 2.65mm)
  • Termination: Solder Pads
  • Packaging: Tape and Reel
  • Standard Package: 5,900 pcs
  • Manufacturer: Knowles
  • Recommendation: Not Recommended for New Designs

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