AK4331ECB 32-Bit Stereo Digital-to-Analog Converter (DAC)

Product Highlights > AK4331ECB 32-Bit Stereo Digital-to-Analog Converter (DAC)

            AK4331ECB 32-Bit Stereo Digital-to-Analog Converter (DAC)
                    AKM’s AK4331ECB advanced, low-power DAC with built-in amp and SRC
    

Image of AKM's AK4331ECB 32-Bit Stereo Digital-to-Analog Converter (DAC) AKM’s AK4331ECB is a 2-channel, 32-bit, advanced, high sound quality, stereo digital-to-analog converter (DAC) including a built-in ground-referenced headphone amplifier. The DAC offers four types of 32-bit digital filters for better sound quality, attaining low distortion characteristics with a wide dynamic range. The IC also has a jitter cleaner with a built-in SRC and a crystal. The AK4331ECB is available in a 36-pin CSP package.

Features
Sound color Four types, 32-bit 8-fold digital filters Short delay sharp roll-off, GD=5.5/fs Short delay slow roll-off, GD=4.5/fs Sharp roll-off Slow roll-off Jitter cleaner available (with asynchronous sample rate converter/crystal oscillator/low jitter PLL) THD+N: -100 dB SNR: 109 dB Number of channels: 2 Operating temperature: -40°C to +85°C Microcomputer interface: I²C (400 kHz) Power supply AV_DD = CV_DD = LV_DD = 1.7 V to 1.9 V TV_DD = 1.65 V to 3.6 V		Headphone amplifier Ground referenced class-G stereo headphone amplifier Output power: 70 mW @ 8 Ω Output noise level: -114 dBV (analog volume = -10 dB) Analog volume: +4 to -10 dB, 2 dB step Ground loop noise canceling Resolution: 32-bit VELVET SOUND technology Low-distortion technology OSRD (oversampling ratio doubler) technology Power consumption: 4.4 mW (fs=48 kHz) Sampling rate 8 kHz to 192 kHz Master/slave mode
Applications
USB headphones Bluetooth headphones		Portable music players