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.

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.] 1600
Recommended Order Quantity 1 [pcs.] 6400
Recommended Order Quantity 2 [pcs.] 3200
Standard Packing Quantity [pcs.] 0
Replacement P/N

Block Diagram

Block Diagram

VELVET SOUND