AK4191EQ

MP

Premium Digital ΔΣ Modulator

Premium Digital ΔΣ Modulator

MP

Description

The AK4191EQ is a new concept Multi-bit stereo Premium Digital Data Converter employing VELVETSOUND™ technology. By using the AK4191EQ to process the digital signal for D/A conversion, we have minimized the effects of digital noise within the analog output, resulting in a perceived improvement of the ratio of signal to noise. The AK4191EQ has a built-in digital filter with multi-bit sigma delta modulator and 256 times oversampling processing. A wide variety of music can playback by inputting 1536kHz PCM data and DSD1024 data.

Key Features

  • Premium discrete delta-sigma modulator - combine with the AK4499EXEQ for a HiFi DAC experience
  • Extreme high-res playback: PCM 64-bit/1536kHz, DSD1024
  • 256x over-sampling digital filter

Applications

  •                                 Network Audio, USB DACs, CD/SACD Players, Wireless Speaker Systems, Soundbars, Digital Audio Players, Electronic Musical Instruments, Audio Interfaces, Digital Mixers
                                

Specifications

Part Number
AK4191EQ
Number of Channels
2
Analog Output Type
-
Bits [bit]
64
THD+N [dB]
-153
S/N [dB]
156
Power Supply Voltage (MIN.) [V]

                                
Power Supply Voltage (TYP.) [V]
3.3 / 1.8 / 1.2
Power Supply Voltage (MAX.) [V]

                                
2Vrms Line Driver

                                
Headphone Amplifier

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

Product Information

Part Status
MP
Pb Free
Yes
Halogen Free
Yes
MSL
MSL2
Packaging
TAPE
JEDEC Standard Packaging
Compliant
Minimum Order Quantity [pcs.]
250
Replacement P/N

                                

Block Diagram

Block Diagram

Download

Datasheet

AK4191EQ Datasheet
English [200900053-E-01]
(130 Pages PDF: 6.76MB)

Application Note

AK4191EQ Application Note
English [C018-01]
(24 Pages PDF: 1.04MB)

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Related Product

The AK4191EQ + AK4499EXEQ two-chip solution provides the industry-leading level of high performance and high-quality sound reproduction.

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