[AK4377A] AK4377A
Low-Power Advanced 32-bit DAC with HP
1. General Description
The AK4377A is stereo advanced 32-bit high sound quality audio DAC with a built-in ground-referenced
headphone amplifier. An internal circuit integrates 32-bit digital filters for better sound quality, achieving
low distortion characteristics and wide dynamic range. The sampling frequency supports up to 384 kHz.
The AK4377A is available in a 36-pin CSP package, utilizing less board space than competitive offerings.
2. Features
1. 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)
2. Ground-referenced Class-G Stereo Headphone-Amp
-Output Power: 25 mW @ RL = 32 Ω
60 mW @ RL = 16 Ω
-THD+N: 107 dB @ 10 mW, RL = 32 Ω
106 dB @ 25 mW, RL = 32 Ω
-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
3. HeadPhone-Amp Output comply with IEC61000-4-2 Level4 ESD Protection
4. Digital Audio interface
-Master/Slave mode
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