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Product Detailed Parameters
- Description：MIC MEMS ANALOG OMNI -38DB
- Series：SiSonic™ SPH
- Mfr：Syntiant
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：MEMS (Silicon)
- Output Type：Analog
- Direction：Omnidirectional
- Frequency Range：50 Hz ~ 80 kHz
- Sensitivity：-38dB ±3dB @ 94dB SPL
- S/N Ratio：65dB
- Impedance：-
- Voltage Range：-
- Current - Supply：185 µA
- Port Location：Bottom
- Ratings：-
- 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
- Grade：-
- Qualification：-
- Voltage - Rated：-
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Overview
The SPH6611LR5H-1 is an omnidirectional analog MEMS microphone manufactured by Syntiant. It features a sensitivity of -38 dBV/Pa with a tolerance of ±3dB at 94dB SPL and a signal-to-noise ratio (SNR) of 65 dB. The device operates within a frequency range of 50 Hz to 80 kHz and has an impedance of 400 Ohms. It utilizes surface-mount technology for PCB integration.
Feature Summary
- Omnidirectional acoustic design for uniform sound capture
- Analog output interface suitable for standard audio processing circuits
- High signal-to-noise ratio performance for clear audio fidelity
Applications
- Voice recognition systems
- Consumer audio recording devices
- Hands-free communication modules
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot traceability and RoHS compliance status prior to procurement. Ensure storage conditions meet humidity and temperature specifications to preserve MEMS integrity. Validate package markings against official datasheet identifiers to prevent counterfeit substitution.
Selection Notes
Select this model when analog output compatibility is required rather than digital interfaces. Consider the 65 dB SNR and -38 dBV/Pa sensitivity for applications demanding high audio clarity in moderate noise environments. Evaluate the 400 Ohm impedance against input stage requirements of the connected amplifier or ADC circuitry.
Part Context
This component belongs to Syntiant's MEMS microphone portfolio, designed for edge AI and sensing applications. While Syntiant specializes in neural processors, this specific part serves as a front-end acoustic transducer. It complements their broader physical AI platform by providing high-quality audio input for downstream processing.
Replacement Considerations
SPH6611LR5H-1-8 is a verified variant with identical core electrical characteristics but includes an additional suffix indicating specific packaging or tape-and-reel configuration differences. Verify mechanical footprint compatibility before substitution.
