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Same model may have multiple batches, images only for reference.
SPH0644LM4H-1-8 Knowles
Same model may have multiple batches, images only for reference.

SPH0644LM4H-1-8

Part No SPH0644LM4H-1-8
Manufacturer Knowles
Catalog Microphones
Description SILICON MICROPHONE
Sample
Rohs State rohs
ECAD Module
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Products specifications Report Issue?

Category Audio Products - Microphones
Mfr Knowles
Series SiSonic™ SPH
Package Bulk
Product Status Active
Type MEMS (Silicon)
Output Type Digital, PDM
Direction Omnidirectional
Frequency Range 35 Hz ~ 14 kHz
Sensitivity -37dB ±1dB @ 94dB SPL
S/N Ratio 65.7dB
Voltage - Rated 1.8 V
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 1 pcs
MSL Level 1 (Unlimited)
ECCN EAR99
HTSUS 8518.10.8030
Win Source Part Number 838540-SPH0644LM4H-1-8
Ultra Librarian 3D Model Ultra Librarian SPH0644LM4H-1-8 CAD Model

Description

The 838540-SPH0644LM4H-1-8 is a MEMS (Silicon) microphone from the SiSonic™ SPH series.

  • Application: Audio applications
  • Size: 0.138" L x 0.104" W (3.50mm x 2.65mm)
  • Termination: Solder pads
  • Packaging: Bulk format
  • Voltage Rating: 1.8V
  • Frequency Range: 35 Hz to 14 kHz
  • Output Type: Digital, using pulse density modulation (PDM) technology
  • Sensitivity: -37dB ±1dB @ 94dB SPL
  • S/N ratio: 65.7dB
  • Voltage Range: 1.6V to 3.6V
  • Current Supply: 1.4mA
  • Directionality: Omnidirectional microphone, capturing sound from all directions
  • MSL level: 1 (Unlimited)
  • HTSUS code: 8518.10.8030
  • Manufacturer: Knowles
  • Market Status: Active

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Pricing & Ordering

Quantity Unit Price Ext. Price
155+ $0.3836 $59.4580
325+ $0.3589 $116.6425
500+ $0.3465 $173.2500
720+ $0.3218 $231.6960
935+ $0.3095 $289.3825
1,170+ $0.2971 $347.6070
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Availability: 10,282 pieces
MOQ: 155 pcs
Order Increment : 1 pcs
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