G-SENSE : ICS-43434 MEMS High Precision Omnidirectional Microphone I2S
(Incl. GST)
- Digital I2S interface
- high precision 24-bit data
- Signal to noise ratio : 65 dBA
- High sensitivity : 26 dB
- Frequency : 23Hz to 51.6kHz
- low current consumption 230uA
- AOP: 120 SPL
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G-Sense ICS-43434 MEMS High Precision Omnidirectional Microphone Module I2S
The ICS-43434 is digital I2S output bottom port microphone and it’s a great replacement/alternate for INMP441. The complete ICS-43434 solution consists of a MEMS sensor, signal conditioning, an analog-to-digital converter, decimation and antialiasing filters, power management, and an industry standard 24-bit I²S interface. The I²S interface allows the ICS-43434 to connect directly to digital processors, such as DSPs and microcontrollers, without the need for an audio codec in the system.The ICS-43434 has multiple modes of operation: HighPerformance, Low Power (AlwaysOn) and Sleep. The ICS-43434
has high SNR and 120 dB SPL AOP in all operational modes.
You can find more details about this board here : GSense-ICS43434 Documentation
- SCK: Serial data clock for I2S interface
- WS: Serial data word selection for I2S interface
- L/R: Left/Right channel selection.
- When set to low, the microphone outputs a signal on the left channel of the I2S frame.
- When set to high level, the microphone outputs signals on the right channel
- SD: Serial data output of the I2S interface.
- VCC: Input power, 1.8V to 3.3V.
- GND: power ground
- SCK -GPIO 20
- SD – SCK
- WS – MO
- GND – GND
- VDD – VDD3.3
Features:
- Digital I2S interface with high precision 24-bit data
- High signal to noise ratio is 65 dBA
- High sensitivity – 26 dB
- Stable frequency response from 23Hz to 51.6kHz
- Low power consumption: low current consumption 230uA
- AOP: 120 SPL
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