Datasheet > AK4495

AK4495

更新时间： 2024-11-05 01:21:27

品牌	Logo	应用领域
AKM		/
页数	文件大小	规格书
63页	1831K
描述
Quality-oriented Premium 32-Bit 2ch DAC

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AK4495 数据手册

[AK4495S/95]

AK4495S/95

Quality-oriented Premium 32-Bit 2ch DAC

1. General Description

The AK4495S/95 is a 32-bit DAC, which corresponds to high-performance, high sound quality digital audio

systems such as DVD-Audio and BD. An internal circuit includes newly developed 32-bit digital filters for

better sound quality, achieving low distortion characteristics and wide dynamic range. The AK4495S/95 has

full differential SCF outputs, removing the need for AC coupling capacitors and increasing performance for

systems with excessive clock jitter. The AK4495S/95 accepts up to 768kHz PCM data and 5.6MHz DSD data,

ideal for a wide range of applications including Network Audio and SACD.

2. Features

 128x Over sampling

 Sampling Rate: 30kHz  768kHz

 32-bit 8x Digital Filter

- Ripple: 0.005dB, Attenuation: 100dB

- Short Delay Sharp Roll-off, GD=6.25/fs

- Short Delay Slow Roll-off, GD=5.3/fs

- Sharp Roll-off

- Slow Roll-off

- Super Slow Roll-off

 High Tolerance to Clock Jitter

 Low Distortion Differential Output

 2.8MHz, 5.6MHz DSD Input Support

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

 Soft Mute

 Digital Attenuator (255 levels and 0.5dB step)

 Mono Mode

 External Digital Filter Mode

 THD+N: -101dB, -105dB (Analog Block Power Supply 7V)

 DR, S/N: 120dB, 123dB (Mono mode: 126dB, Analog Block Power Supply 7V)

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

 Master Clock:

30kHz ~ 32kHz: 1152fs

30kHz ~ 54kHz: 512fs or 768fs

30kHz ~ 108kHz: 256fs or 384fs

108kHz ~ 216kHz: 128fs or 192fs

~ 384kHz: 64fs or 128fs

~ 768kHz: 64fs

 Power Supply: DVDD=AVDD=3.0 3.6V, VDD1/2=4.75  7.2V

 Digital Input Level: CMOS

 Package: 44-pin LQFP

MS1560-E-02

2014/04

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