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Product Detailed Parameters
- Description：MIC MEMS ANALOG OMNI -42DB
- Series：SiSonic™
- Mfr：Syntiant
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：MEMS (Silicon)
- Output Type：Analog
- Direction：Omnidirectional
- Frequency Range：100 Hz ~ 10 kHz
- Sensitivity：-42dB ±3dB @ 94dB SPL
- S/N Ratio：59dB
- Impedance：300 Ohms
- Voltage Range：1.5 V ~ 3.6 V
- Current - Supply：250 µA
- Port Location：Top
- Ratings：-
- Termination：Solder Pads
- Size / Dimension：0.186" L x 0.148" W (4.72mm x 3.76mm)
- Height (Max)：0.053" (1.35mm)
- Shape：Rectangular
- Grade：-
- Qualification：-
- Voltage - Rated：-
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Overview
The Syntiant SPM0404HD5H-PB is a silicon MEMS microphone featuring analog output and omnidirectional acoustic characteristics. It operates within a frequency range of 100 Hz to 10 kHz, supporting supply voltages from 1.5 V to 3.6 V. The device delivers a sensitivity of -42 dB ±3 dB at 94 dB SPL and achieves a signal-to-noise ratio of 59 dB. Physical dimensions are 3.76 mm in length, 2.95 mm in width, and 1.20 mm in maximum height. It utilizes top-ported design with solder pad termination.
Feature Summary
- Omnidirectional acoustic response for uniform sound capture
- Analog output interface compatible with standard audio circuits
- Top-ported structure for flexible PCB placement
Applications
- Voice recognition systems
- Consumer electronic devices
- Audio recording equipment
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level (MSL 1) prior to assembly. Ensure storage conditions align with specified environmental limits to maintain performance integrity during the manufacturing process.
Selection Notes
Select this model when an analog output interface is required rather than digital PDM alternatives. Consider the specific sensitivity tolerance and SNR metrics against application noise floors. Evaluate the physical footprint constraints against available board space for surface mount integration.
Part Context
This component belongs to the SiSonic series of MEMS microphones manufactured by Syntiant. It represents a miniaturized surface-mount solution designed for integration into compact audio hardware. The product line emphasizes low power consumption and high reliability for portable applications.
Replacement Considerations
SPUL409HE5H-PB-2 offers similar analog specifications but features different physical dimensions. SP0404LE5H-PB provides comparable electrical performance with distinct packaging variations. Verify pinout compatibility and mechanical fit before substitution.
