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
-
256x / 128x oversampling processing
-
Equipped with 64-bit 256x / 128x digital filter
-
Equipped with digital attenuator
Applications
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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 |
| Replacement P/N |
Block Diagram
