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Cornell SPH0644LM4H-1 Microphone
Knowles' SPH0644LM4H-1 is a multimode digital bottom port SiSonic™ microphone
Knowles' SPH0644LM4H-1 is a miniature, high-performance, low-power, bottom port silicon digital microphone with single bit PDM output. The SPH0644LM4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. It is made for portable electronic devices where excellent wideband audio performance and RF immunity are required.
Features
- Low distortion / high AOP
- High SNR
- Low current consumption in low power mode
- RF shielded
- Sensitivity matching for multiple mic designs
- Supports dual multiplexed channels
- Multiple modes (sleep, low-power, normal)
Applications
- Far-field voice UI
- Barge-in
- Beamforming and phase patching
- Smart speakers
- Portable electronics
- Cellphones, laptops, and tablets
Cornell SPH0644LM4H-1 Microphone
| Image | Manufacturer Part Number | Description | Sensitivity | S/N Ratio | Voltage Range | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
 |  | SPH0644LM4H-1 | MIC MEMS DIGITAL PDM OMNI -37DB | -37dB ±1dB @ 94dB SPL | 65.5dB | 1.6 V ~ 3.6 V | 36379 - Immediate | $252.00 | View Details |
Published: 2019-04-02
