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AK8128C-E2 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
AK8128C-E2AKM1743Yes

AK8128C-E2 is a high-performance, low-power MEMS microphone from AKM (Asahi Kasei Microdevices).

The AK8128C-E2 is a high-performance, low-power MEMS microphone from AKM (Asahi Kasei Microdevices).

Specifications:

  • Type: Digital MEMS Microphone
  • Interface: I2S (3-wire)
  • Directionality: Omnidirectional
  • Sensitivity: -26 dBFS ±1 dB (at 94 dB SPL)
  • SNR (Signal-to-Noise Ratio): 64 dB (A-weighted)
  • Dynamic Range: 105 dB (A-weighted)
  • Power Supply Voltage: 1.6 V to 3.6 V
  • Current Consumption: 1.0 mA (typical at 1.8 V)
  • Acoustic Overload Point (AOP): 120 dB SPL
  • Operating Temperature Range: -40°C to +85°C
  • Package: 3.76 mm × 2.95 mm × 1.1 mm (L × W × H)
  • Top Port Configuration

Descriptions:

The AK8128C-E2 is a digital-output MEMS microphone designed for high-quality audio capture in compact devices. It features a low-noise analog front-end and a high-performance sigma-delta ADC, delivering clear audio with minimal distortion. Its small form factor and low power consumption make it ideal for smartphones, wearables, IoT devices, and other portable electronics.

Features:

  • High SNR (64 dB A-weighted) for clear audio capture
  • Wide dynamic range (105 dB A-weighted)
  • Low power consumption (1.0 mA typical at 1.8 V)
  • Robust design with high AOP (120 dB SPL)
  • I2S digital output for direct DSP integration
  • Compact top-port package
  • RoHS compliant

This microphone is suitable for applications requiring high-fidelity audio recording in a small, energy-efficient package.

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