AK4191EQ

ES

Premium Digital ΔΣ Modulator

Premium Digital ΔΣ Modulator

ES

Description

The AK4191EQ is a premium delta-sigma modulator with multi-bit output employing VELVET SOUND technology. It has increased the oversampling rate of digital processing to 256x from the previous 8x. This allows for aliasing artifacts due to sampling to be driven even further into the upper frequency range.
Additionally, the AK4191EQ’s digital filters can reduce noise by 50dB more than previous devices. A wide variety of music can playback by inputting 1.536MHz PCM and DSD1024 data.

Key Features

  • Premium discrete delta-sigma modulator - combine with the AK4498EQ for a HiFi DAC experience
  • Extreme high-res playback: PCM 64-bit/1536kHz, DSD1024
  • 256x over-sampling digital filter

Applications

  •                                 High-end Audio, Professional Audio, Active Speakers , CD / SACD Players, Network Audio, USB DAC’s
                                

Specifications

Part Number
AK4191EQ
Number of Channels
2
Analog Output Type
-
Bits [bit]
64
THD+N [dB]
-153
S/N [dB]
153
Power Supply Voltage (MIN.) [V]

                                
Power Supply Voltage (TYP.) [V]
3.3 / 1.2
Power Supply Voltage (MAX.) [V]

                                
2Vrms Line Driver

                                
Headphone Amplifier

                                
Other
VELVETSOUND, DDC
Operating Temperature [℃]
-40 to 85
Device Package
HTQFP
Number of Pins
64

Product Information

Part Status
ES
Pb Free
Yes
Halogen Free
Yes
MSL
MSL2
Packaging
TRAY
JEDEC Standard Packaging
Compliant
Minimum Order Quantity [pcs.]
160
Replacement P/N

                                

Block Diagram

Block Diagram

VELVET SOUND