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  • Manufacturer: Knowles
  • Origchip NO: 427-SPH1668LM4H-1
  • Package: -
  • Datasheet: PDF
  • Stock: 734
  • Description: MIC MEMS DIGITAL PDM OMNI -29DB(Kg)

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Means of Payment

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.

RFQ (Request for Quotations)

It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.


1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping Cost

Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

Delivery Time

Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:

FedEx International, 5-7 business days.

The following are some common countries' logistic time.



Output Type Digital, PDM
Operating Supply Current 700μA
Direction Omnidirectional
Voltage Range 1.62V~3.6V
Frequency Range 100Hz~10kHz
Sensitivity -29dB ±1dB @ 94dB SPL
Port Location Bottom
S/N Ratio 65.5dB
Height 1.08mm
RoHS Status RoHS Compliant
Factory Lead Time 8 Weeks
Shape Rectangular
Packaging Cut Tape (CT)
Published 2015
Series SiSonic™, Zero-Height Mic™, SPH
Size / Dimension 0.138Lx0.104W 3.50mmx2.65mm
Part Status Not For New Designs
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Termination Solder Pads
Type MEMS (Silicon)
Max Operating Temperature 100°C
Min Operating Temperature -40°C
See Relate Datesheet
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