AK4375AECB

Low-Power Advanced 32-Bit DAC with HP-Amp & SRC

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Description

Advanced Audio Devices AK4375A
VELVET SOUNDAudio2GoThe AK4375A is a stereo advanced 32-bit high sound quality audio DAC with a built-in ground-referenced headphone amplifier. An internal circuit is newly developed 32-bit digital filters for better sound quality, achieving low distortion characteristics and wide dynamic range. The AK4375A also has a jitter cleaner with a built-in SRC and a X’tal. The AK4375A is available in a 36-pin CSP package, utilizing less board space than competitive offerings.
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Key Features

       1. Stereo High Sound Quality Low Power Advanced 32-bit DAC

              - 4 types of Digital Filter for Sound Color Selection

       2. Ground-referenced Class-G Stereo Headphone-Amp

              - Output Power: 25mW @ 32Ω, 40mW @ 16Ω, THD+N = 0.1%

              - S/(N+D): 99dB

              - S/N: 110dB

              - Output Noise Level: -119dBV (Analog Volume ≤ -14dB)

              - Analog Volume: +6 ~ -40dB & Mute, 2dB Step

              - Ground Loop Noise Cancellation

       3. Digital Audio interface

              - Master / Slave Mode

              - Sampling Frequency:

                     Slave Mode: 8k, 11.025k, 12k, 16k, 22.05k, 24k, 32k, 44.1k, 48k, 64k, 88.2k, 96k, 128k, 176.4k, 192kHz

                     Master Mode: 8k, 11.025k, 12k, 16k, 22.05k, 24k, 32k, 44.1k, 48k, 64k, 88.2k, 96k, 176.4k, 192kHz

              - Interface Format: 32/24/16-bit I2S/MSB justified

       4. Asynchronous Sample Rate Converter:

              - Up sample: up to ×6

              - Down sample: down to ×1/6

              - 4 types of Digital Filter for Sound Color Selection

       5. Power Management

       6. PLL

       7. Jitter Cleaner with a built-in SRC and X’tal Oscillator

       8. µP I/F: I2C(400kHz)

       9. Operation Temperature Range: Ta = -40 ~ 85°C

       10. Power Supply:

              • AVDD (DAC, PLL): 1.7 to 1.9V

              • CVDD (HP-Amp, Charge Pump): 1.7 to 1.9V

              • LVDD (LDO2 for Digital Core): 1.7 to 1.9V (built-in LDO)

              • TVDD (Audio I/F): 1.65 to 3.6V

       11. AK4375 Register / Pin Compatible

       12. Package: 36-pin CSP (2.371 × 2.623mm, 0.4mm pitch)

 

 

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