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AKM

AK4468 Datasheet Preview

AK4468 Datasheet

Premium DAC

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[AK4468]
AK4468
117dB 768kHz 32-bit 8ch Premium DAC
General Description
The AK4468 is a new generation 32-bit 8ch Premium DAC which adopts VELVET SOUNDTM
technology. It corresponds to a 768 kHz PCM input and an DSD512 input at maximum, suitable for
playback of high resolution audio sources that are becoming widespread in network audios, USB-DACs
and Car Audio Systems. In addition, “OSR-Doubler” technology is adopted, making the AK4468 capable
of supporting wide range signals and achieving low out-of-band noise while realizing low power
consumption. Moreover, the AK4468 has six types of 32-bit digital filters, realizing simple and flexible
sound reproduction in wide range of applications.
Applications: AV Receivers, CD/SACD Players, Network Audio, USB DACs, USB Headphones, Sound
Plate/Bars, Car Audio, Automotive External Amplifiers, Measuring Instruments and Control
Systems.
Features
(1) Dynamic Range, S/N: 117 dB
(2) THD+N: -107 dB
(3) Differential Voltage Output: 5.6 Vpp
(4) 256x Over Sampling
(5) Sampling Rate: 8 kHz768 kHz
(6) 32 Bit 8x Digital Filter
- Ripple: ±0.0032 dB, Attenuation: 80 dB (Sharp Roll-Off Filter Setting)
- Six Types of High Quality Sound Filter Option
Sharp Roll-off
Slow Roll-off
Short Delay Sharp Roll-off, (GD = 5.8/fs)
Short Delay Slow Roll-off, (GD = 4.8/fs)
Super Slow Roll-off
Low Dispersion Short Delay Filter
(7) High Tolerance to Clock Jitter
(8) Low Distortion/ Low Noise High Performance Differential Amplifier Output
(9) DSD64, DSD128, DSD256, DSD512 Input Support
(10) Daisy Chain
(11) Digital De-emphasis for 32 kHz, 44.1 kHz and 48 kHz sampling
(12) Soft Mute
(13) Digital Attenuator (0 dB-127 dB, 0.5 dB step + mute)
(14) Audio I/F Format:
- MSB justified
- LSB justified
- I2S
- DSD
- TDM
(15) PCM/DSD Automatic Switching Function
(16) 3-wire Serial and I2C μP I/F
(17) Supports Pin Control Mode
019001349-E-01
-1-
2019/06




AKM

AK4468 Datasheet Preview

AK4468 Datasheet

Premium DAC

No Preview Available !

[AK4468]
(18) Master Clock:
- fs = 7.2 kHz32 kHz:
256 fs, 384 fs, 512 fs, 768 fs, 1152 fs
- fs = 32 kHz54 kHz:
256 fs, 384 fs, 512 fs, 768 fs
- fs = 54 kHz108 kHz:
256 fs, 384 fs
- fs = 108 kHz216 kHz: 128 fs, 192 fs
- fs = 216 kHz388 kHz: 32 fs, 48 fs, 64 fs, 96 fs
- fs = 388 kHz776 kHz: 16 fs, 32 fs, 48 fs, 64 fs
(19) Digital Input Level: CMOS
(20) Power Supply:
by Internal LDO (LDOE pin = “H”): TVDD = 3.03.6 V, AVDD = 3.05.5 V
by external supply (LDOE pin = “L”): TVDD = 1.73.6 V, AVDD = 3.05.5 V,
VDD18 = 1.71.98 V
(21) Operational Temperature: -40 to 105 C (when the Exposed Pad is connected to AVSS)
(22) Package: 48-pin QFN
019001349-E-01
-2-
2019/06



Part Number AK4468
Description Premium DAC
Maker AKM
Total Page 3 Pages
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AK4468 Datasheet PDF





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