مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Introduction

The AK4377 is a stereo premium 32-bit high-fidelity audio DAC with a built-in ground-referenced headphone amplifier featuring VELVET SOUND technology. The device incorporates four 32-bit digital filters for enhanced audio quality, achieving low distortion characteristics and wide dynamic range. The AK4377 supports PCM data up to 768 kHz and DSD256 input. The device is housed in a 36-pin CSP package.

Features

• High-quality stereo premium 32-bit DAC
• Four digital filters for sound character selection
• Two operating modes
• Ground-referenced Class G stereo headphone amplifier
• Output power: 60 mW into 16Ω load
• THD+N: -109 dB at 10 mW output, 32Ω load
• SNR: 128 dB
• Output noise level: -129 dBV
• Analog volume control range: +4 to -20 dB and mute
• Ground loop noise cancellation
• Headphone amplifier output pins compliant with IEC61000-4-2 Level 4 ESD protection
• Digital audio interface supports master/slave mode
• Multiple sample rates supported
• Interface format: 32/24/16-bit I²S or MSB-justified format
• DSD64, DSD128, DSD256 input via DoP
• Integrated PLL and crystal oscillator
• Microprocessor interface: I²C bus
• Operating temperature range: -40 to 85℃
• Supply voltage: analog supply 1.7 to 1.9 V, core supply 1.7 to 1.9 V, logic supply 1.7 to 1.9 V, interface supply 1.65 to 3.6 V
• Package: 36-pin CSP