AK4490EN Datasheet PDF - AKM
Part Number | AK4490EN | |
Description | Premium 32-Bit 2ch DAC | |
Manufacturers | AKM | |
Logo | ||
There is a preview and AK4490EN download ( pdf file ) link at the bottom of this page. Total 30 Pages |
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AK4490EN
Premium 32-Bit 2ch DAC
1. General Description
The AK4490EN is a new generation Premium 32-bit 2ch DAC with new technologies, achieving industry’s
leading level low distortion characteristics and wide dynamic range. The AK4490EN integrates a
newly developed switched capacitor filter “OSR Doubler”, making it capable of supporting wide
range signals and achieving low out-of-band noise while realizing low power consumption. Moreover, the
AK4490EN has five types of 32-bit digital filters, realizing simple and flexible sound tuning in wide range
of applications. The AK4490EN accepts up to 768kHz PCM data and 11.2MHz DSD data, ideal for a
high-resolution audio source playback that are becoming widespread in network audios and USB-DACs.
Application: AV Receivers, CD/SACD player, Network Audios, USB DACs, USB Headphones, Sound
Plates/Bars, Measurement Equipment, Control Systems, Public Audios (PA), Smart Cellular
Phones, IC-Recorders, Bluetooth Headphones, HD Audio/Voice Conference Systems
2. Features
256x Over sampling
Sampling Rate: 30kHz 768kHz
32-bit 8x Digital Filter
- Ripple: 0.005dB, Attenuation: 100dB
- Short Delay Sharp Roll-off, GD=6.25/fs
- Short Delay Slow Roll-off, GD=5.3/fs
- Sharp Roll-off
- Slow Roll-off
- Super Slow Roll-off
High Tolerance to Clock Jitter
Low Distortion Differential Output
2.8MHz, 5.6MHz and 11.2MHz DSD Input Support
- Filter (fc=50kHz, fc=150kHz, 2.8MHz mode)
Digital De-emphasis for 32, 44.1, 48kHz sampling
Soft Mute
Digital Attenuator (255 levels and 0.5dB step + Mute)
Mono Mode
External Digital Filter Mode
THD+N: -112dB
DR, S/N: 120dB (Mono mode: 123dB)
I/F Format: 24/32bit MSB justified, 16/20/24/32bit LSB justified, I2S, DSD
Master Clock:
30kHz ~ 32kHz: 256fs, 384fs, 512fs, 768fs, 1024fs or 1152fs
30kHz ~ 54kHz: 256fs, 384fs, 512fs or 768fs
30kHz ~ 96kHz: 256fs, 384fs or 512fs
30kHz ~ 108kHz: 256fs or 384fs
108kHz ~ 192kHz: 128fs, 192fs or 256fs
108kHz ~ 216kHz: 128fs or 192fs
384kHz: 32fs, 48fs, 64fs or 96fs
768kHz: 16fs, 32fs, 48fs or 64fs
Power Supply: DVDD=AVDD=3.0 3.6V, TVDD=1.6V DVDD,
VDDL/R= VREFHL/VREFHR=4.75 5.25V
Digital Input Level: CMOS
Package: 48-pin QFN
015013666-E-01
-1-
2015/12
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■ Pin Layout
5. Pin Configurations and Functions
[AK4490EN]
VCOML 37
VREFLL 38
VREFLL 39
VREFHL 40
VREFHL 41
NC 42
AVDD 43
AVSS 44
MCLK 45
DVSS 46
DVDD 47
TVDD 48
AK4490EN
Top View
24 VCOMR
23 VREFLR
22 VREFLR
21 VREFHR
20 VREFHR
19 NC
18 ACKS/CAD1
17 DEM1
16 DEM0
15 I2C
14 PSN
13 DIF2/CAD0
015013666-E-01
-5-
2015/12
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AK4490EN electronic component. |
Information | Total 30 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ AK4490EN.PDF Datasheet ] |
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