AK5705 4-Channel A/D Converter with Microphone Amplifier

The AK5705 by AKM is a 4-channel 32-bit analog-to-digital converter (ADC) designed for audio applications. Its integrated features make it an ideal choice for various use cases, from voice recognition to wearable devices. The AK5705 combines a low-noise microphone amplifier with a transimpedance amplifier, resulting in exceptional performance.

Features and Benefits

• Low power consumption: The AK5705 consumes 43% less power compared to previous AKM products, making it energy-efficient
• High dynamic range: With a dynamic range of 109 dB, it captures subtle nuances in audio signals
• Built-in transimpedance amplifier: This feature allows seamless connection to current-output sensors, including photodiodes
• 384 kHz sampling frequency: The AK5705 supports high-resolution audio with a sampling frequency of up to 384 kHz
• Compact design: No external AC coupling capacitors are needed, reducing the overall mounting area

Applications

• Wearable devices: Enhance audio quality in wearables such as smartwatches and fitness trackers
• Augmented reality/virtual reality (AR/VR): Deliver immersive sound experiences in AR/VR headsets
• Microphone array systems: Ideal for beamforming and noise cancellation
• Security equipment: Improve audio surveillance and monitoring
• IC recorders: Capture clear audio recordings