Datasheet > AK4492

AK4492

更新时间： 2024-11-05 01:22:19

品牌	Logo	应用领域
AKM		/
页数	文件大小	规格书
101页	2100K
描述
Quality Oriented 32-Bit 2ch DAC

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AK4492 数据手册

[AK4492]

AK4492

Quality Oriented 32-Bit 2ch DAC

1. General Description

The AK4492 is a new generation Premium 32-bit 2ch DAC with VELVET SOUND^TMtechnology,

achieving industry’s leading level low distortion characteristics. The OSR-Doubler technology establishes

low power consumption and low distortion characteristics. Moreover, the AK4492 has six types of 32-bit

digital filters, realizing simple and flexible sound tuning in wide range of applications. The AK4492

accepts up to 768kHz PCM data and 11.2MHz DSD data, ideal for a high-resolution audio source

playback that are becoming widespread in smartphone, portable audio player etc.

Application: Smart Cellular Phones, IC-Recorders, Bluetooth Headphones, CD/SACD Players, Network

Audios, USB DACs, USB Headphones, Sound Plates/Bars, HD Audio/Voice Conference

Systems, AV Receivers

2. Features

 THD+N: -115 dB

 DR, S/N: 127 dB (2 Vrms Output)

128 Times Over Sampling

 Sampling Rate: 8kHz  768 kHz

 32-bit 8x Digital Filter

- Short Delay Sharp Roll-off, GD=6.0/fs,

Ripple: 0.005dB, Attenuation: 100dB

- Short Delay Slow Roll-off, GD=5.0/fs

- Sharp Roll-off

- Slow Roll-off

- Low-dispersion Short Delay Filter

- Super Slow Roll-off

 High Tolerance to Clock Jitter

 Low Distortion Differential Output

 2.8 MHz, 5.6 MHz, 11.2 MHz DSD Input Support

- Filter1 (fc = 39 kHz, 2.8 MHz mode)

- Filter2 (fc = 76 kHz, 2.8 MHz mode)

 Digital De-emphasis for 32, 44.1and 48kHz sampling

 Soft Mute

 Digital Attenuator (255 levels and 0.5dB step + mute)

 Mono Mode

 External Digital Filter Interface

 Audio I/F Format: 24/32 bit MSB justified, 16/20/24/32 bit LSB justified, I²S, DSD, TDM

 Master Clock

8 kHz ~ 32 kHz: 256 fs or 384 fs or 512 fs or 768 fs or 1024 fs or 1152 fs

8 kHz ~ 54 kHz: 256 fs or 384 fs or 512 fs or 768 fs

8 kHz ~ 108 kHz: 256 fs or 384 fs

108 kHz ~ 216 kHz: 128 fs or 192 fs

~384 kHz: 32 fs or 48 fs or 64 fs or 96 fs

~768 kHz: 16 fs or 32 fs or 48 fs or 64 fs

 3-wire, I²C-bus Interface

016011073-E-00

2016/12

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