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Everest SPH0690LM4H-1 Silicon Digital Microphone
Knowles' silicon digital microphone is miniature, high-performance, and low power with a single bit PDM output
The Knowles SPH0690LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high-performance SiSonic™ MEMS technology, the SPH0690LM4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cell phones, smartphones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. In addition, the SPH0690LM4H-1 offers multiple performance modes.
Features
- High SNR (69 dB with a 1.536 MHz clock)
- Low current consumption in low power mode
- RF shielded
- Sensitivity matching for multiple mic designs
- Supports dual multiplexed channels
- Multiple modes (sleep, low-power, and normal)
- High drive capability
Applications
- Far field displays and voice UIs
- Smart TVs and entertainment
- High-end earphones
- Portable electronics
- Cellphones, laptops, and tablets
Everest SPH0690LM4H-1 Silicon Digital Microphone
| Image | Manufacturer Part Number | Description | Direction | Sensitivity | S/N Ratio | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
 |  | SPH0690LM4H-1 | SPH0690LM4H-1 | Omnidirectional | -35dB ±1dB @ 94dB SPL | 66dB | 15683 - Immediate | $77.00 | View Details |
Published: 2020-06-11
Taiwan