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ICS-41351 - Multi-Mode Microphone

General Description

The ICS-41351 is a multi-mode, low noise digital MEMS microphone in a small package.

The ICS-41351 consists of a MEMS microphone element and an impedance converter amplifier followed by a fourth-order Σ-Δ modulator.

Key Features

  • SPEC Sensitivity SNR Current AOP Clock LOW-POWER MODE.
  • 26 dB FS ±1 dB 65 dBA 230 µA 120 dB SPL 768 kHz.

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ICS-41351 Top Port PDM Digital Output Multi-Mode Microphone GENERAL DESCRIPTION The ICS-41351 is a multi-mode, low noise digital MEMS microphone in a small package. The ICS-41351 consists of a MEMS microphone element and an impedance converter amplifier followed by a fourth-order Σ-Δ modulator. The digital interface allows the pulse density modulated (PDM) output of two microphones to be time multiplexed on a single data line using a single clock. The ICS-41351 has multiple modes of operation: High Performance Mode, Standard, Low Power (AlwaysOn), and Sleep. The ICS-41351 has 130 dB SPL AOP in High Performance Mode, and 120 dB SPL AOP in Standard and LowPower modes. The ICS-41351 is available in a standard 3.5 × 2.65 × 0.98 mm surface-mount package.