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Product Detailed Parameters
- Description：AUDIO MICROPHONE
- Series：SPM
- Mfr：Syntiant
- Package：Bulk
- Type：MEMS (Silicon)
- Output Type：Analog
- Direction：Omnidirectional
- Frequency Range：100 Hz ~ 10 kHz
- Sensitivity：-38dB
- S/N Ratio：-
- Impedance：400 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)：0.049" (1.25mm)
- Shape：Rectangular
- Grade：-
- Qualification：-
- Voltage - Rated：-
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Overview
The SPM0410LR5H is an omnidirectional analog MEMS microphone manufactured by Syntiant, part of the SiSonic series. It operates on a supply voltage range of 1.5 V to 3.6 V with a typical current consumption of 250 µA. The device features a sensitivity of -38dB ±3dB at 94dB SPL and achieves a signal-to-noise ratio of 65dB. Its frequency response spans from 100 Hz to 10 kHz, utilizing solder pad termination for surface mount integration.
Feature Summary
- High signal-to-noise ratio performance for clear audio capture
- Low power consumption suitable for battery-operated devices
- Omnidirectional acoustic sensing capability
Applications
- Mobile communication devices
- Internet of Things (IoT) sensors
- Ear-worn audio equipment
Procurement Notes
This component is officially listed as obsolete or discontinued by the manufacturer. Verification of availability should focus on distributor inventory status rather than direct manufacturing orders. Alternative sourcing strategies must be considered due to the end-of-life status. Confirm package compatibility and pin definitions against legacy design files before procurement attempts.
Selection Notes
Engineers requiring this specific acoustic profile must evaluate replacement options within the same SiSonic family or newer generations. Compatibility checks should include voltage tolerance, sensitivity matching, and physical footprint dimensions. Design-in support may require updated EDA models if original documentation is archived. Assessing long-term supply chain stability is critical for ongoing production planning.
Part Context
Syntiant specializes in high-performance audio and vibration sensor solutions for mobile and IoT markets. The SiSonic technology integrates acoustic sensors with low-noise buffers. This model represents a standard analog output variant designed for general-purpose voice recognition and audio input applications in compact electronic form factors.
Replacement Considerations
SPM0410LR5H-QB is documented as an alternative designation or variant within the product line. Cross-reference mechanical dimensions and electrical characteristics carefully when substituting.
