AK4376
Overview
The AK4376 is stereo advanced 32-bit high sound quality audio DAC with a built-in ground-referenced headphone amplifier. An internal circuit newly developed 32-bit digital filters for better sound quality, achieving low distortion characteristics and wide dynamic range.
- Stereo High Sound Quality Low Power Advanced 32-bit DAC - 4 types of Digital Filter for Sound Color Selection - 2 types of Operation Mode (High Performance Mode / Low Power Mode)
- Ground-referenced Class-G Stereo Headphone-Amp - Output Power: 25 mW @ 32Ω, THD+N < -60 dB 40 mW @ 16Ω, THD+N < -60 dB - THD+N: -106 dB - S/N: 125 dB - Output Noise Level: -125 dBV (Analog Volume -14 dB) - Analog Volume: +6 to -20 dB & Mute, 2 dB Step - Ground Loop Noise Cancellation
- Digital Audio interface - Master/Slave mode - Sampling Frequency: Slave Mode: 8 k, 11.025 k, 12 k, 16 k, 22.05 k, 24 k, 32 k, 44.1 k, 48 k, 64 k, 88.2 k, 96 k, 128 k,176.4 k, 192 kHz, 256 k, 352.8 k, 384 kHz Master Mode: 8 k, 11.025 k, 12 k, 16 k, 22.05 k, 24 k, 32 k, 44.1 k, 48 k, 64 k, 88.2 k, 96 k, 176.4 k, 192 kHz - Interface Format: 32/24/16-bit I2S/MSB justified
- Power Management
- X’tal Oscillator 7. μP I/F: I2C (400 kHz)
- Ta = -40 to 85°C
- Power Supply:
- AVDD (DAC, PLL):
- 7 to 1.9 V
- CVDD (HP-Amp, Charge Pump): 1.7 to 1.9 V
