Syntiant SPK0838HT4H-1 Digital SiSonic™ Microphone
Syntiant SPK0838HT4H-1 Digital SiSonic™ Microphone offers multiple performance modes, providing a single-bit PDM output. The miniature, low-power, top-port silicon digital microphone uses proven high-performance SiSonic MEMS technology. The SPK0838HT4H-1 incorporates an acoustic sensor, a low-noise input buffer, and a sigma-delta modulator.
The Syntiant SPK0838HT4H-1 Digital SiSonic Microphone is ideal for applications such as cellphones, smartphones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices that require superior wideband audio performance and RF immunity. The high Signal-to-Noise Ratio (SNR) of the SPK0838HT4H-1 enhances the performance of farfield applications and many complex, multi-microphone algorithms. Additionally, the SPK0838HT4H-1 supplies multiple performance modes.
Features
- Low distortion of 2.2% at 115dB SPL
- Signal-to-Noise ratio of 64dB(A)
- Flat frequency response 20kHz to 20kHz
- High drive capability
- Low current consumption of 230uA in low-power mode
- RF shielded
- PDM output
- Supports dual multiplexed channels
- Ultra-stable performance
- Standard SMD reflow
- Omnidirectional
- Sensitivity matching
- Standard 4mm x 3mm x 1mm package size
- LGA package
Applications
- Portable electronics
- Cellphones
- Laptop computers
- Tablets
- Digital still cameras
- Portable music recorders
Specifications
- 1.6V to 3.6V supply voltage
- -0.3V to +5.0V Vdd to ground
- -0.3V to +5.0V DATA, CLOCK, SELECT to ground
- ±5mA input current
- Short circuit to/from DATA - indefinite to ground or Vdd
- -40°C to +100°C storage and operating temperature
Block Diagram
Application Circuits
