|
|
PDF AK4458 Data sheet ( Hoja de datos )
| Número de pieza | AK4458 | |
| Descripción | 115dB 768kHz 32-bit 8ch Premium DAC | |
| Fabricantes | AKM | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de AK4458 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
|
No Preview Available !
[AK4458]
AK4458
115dB 768kHz 32-bit 8ch Premium DAC
1. General Description
The AK4458 is a 32-bit 8ch Premium DAC, which achieves industry’s best low distortion characteristics by a
newly developed low distortion technology. It corresponds to a 768kHz PCM input and an 11.2MHz DSD
input at maximum, suitable for play backing high resolution audio sources that are becoming widespread in
network audios, USB-DACs and Car Audio Systems. In addition, “OSR-Doubler” technology is newly
adopted, making the AK4458 capable of supporting wide range signals and achieving low out-of-band noise
while realizing low power consumption. Moreover, the AK4458 has five types of 32-bit digital filters,
realizing simple and flexible sound making in wide range of applications.
Application: AV Receivers, CD/SACD Players, Network Audios, USB DACs, USB Headphones, Sound
Plate/Bars, Car Audios, Automotive External Amplifiers, Measuring Instruments and Control
Systems.
2. Features
(1) DR, S/N: 115dB
(2) THD+N: -107dB
(3) 256x Over sampling (OSR - Doubler)
(4) Sampling Rate: 8kHz 768kHz
(5) 32Bit 8x Digital Filter
- Ripple: 0.0032dB, Attenuation: 80dB (Sharp Roll-Off Filter Setting)
- Five Types of High Quality Sound Filter Option
- Sharp Roll-Off Filter
- Slow Roll-Off Filter
- Short Delay Sharp Roll-Off Filter (GD=5.8/fs)
- Short Delay Slow Roll-Off Filter (GD=4.8/fs)
- Super Slow Roll-Off Filter
(6) High Tolerance to Clock Jitter
(7) Low Distortion Differential Output
(8) DSD data input
(9) Daisy Chain
(10) Digital De-emphasis for 32, 44.1, 48kHz sampling
(11) Soft Mute
(12) Digital Attenuator (255 levels and 0.5dB step)
(13) I/F Format:
- 24/32bit MSB justified
- 16/20/24/32bit
- LSB justified
- I2S
- DSD
- TDM
(14) 3-wire Serial and I2C μP I/F
(15) Master Clock:
- 30kHz ~ 32kHz: 1152fs
- 30kHz ~ 54kHz: 512fs or 768fs
- 30kHz ~ 108kHz: 256fs or 384fs
- 108kHz ~ 216kHz: 128fs or 192fs
~ 384kHz: 64fs or 128fs
~ 768kHz: 64fs
014011794-E-01
-1-
2015/08
1 page  
BICK/DCLK
LRCK/DSDL1
SDTI1/DSDR1
SDTI2/DSDL2
SDTI3/DSDR2/TDMO1
SDTI4/DSDL3/TDMO2
DSDR3
DSDL4
DSDR4
DZF/SMUTE
CAD1/DCHAIN
I2C
CAD0_I2C/CSN/DIF
SCL/CCLK/TDM1
SDA/CDTI/TDM0
[AK4458]
4. Block Diagram and Functions
LDOE
TVDD
VDD18 DVSS
LDO
PCM
Data
Interface
De-empha
sis
DATT
Soft Mute
DSD Filter
PDN
8X
Interpolator
DATT
Soft Mute
AVDD AVSS
Bias
SCF
Modulator
Noise
Rejection
Filter
Vref
SCF
DSD
Data
Interface
DATT
Soft Mute
DSD Filter
8X
Interpolator
DATT
Soft Mute
SCF
Modulator
Noise
Rejection
Filter
Vref
SCF
DATT
Soft Mute
DSD Filter
8X
Interpolator
DATT
Soft Mute
SCF
Modulator
Noise
Rejection
Filter
Vref
SCF
DATT
Soft Mute
DSD Filter
8X
Interpolator
DATT
Soft Mute
SCF
Modulator
Noise
Rejection
Filter
Vref
SCF
AOUTL1P
AOUTL1N
VREFH1
VREFL1
AOUTR1P
AOUTR1N
AOUTL2P
AOUTL2N
VREFH2
VREFL2
AOUTR2P
AOUTR2N
AOUTL3P
AOUTL3N
VREFH3
VREFL3
AOUTR3P
AOUTR3N
AOUTL4P
AOUTL4N
VREFH4
VREFL4
AOUTR4P
AOUTR4N
Control
Register
Clock
Divider
PS/CAD0_SPI
MCLK
Figure 1. Block Diagram
014011794-E-01
-5-
2015/08
5 Page 
[AK4458]
8. Electrical Characteristics
■ Analog Characteristics
(1) AVDD = 5.0V
(Ta=25C: TVDD=3.3V, AVDD=5.0V: AVSS= DVSS=0V: VREFH1/2/3/4=AVDD, VREFL1/2/3/4=
AVSS: fs=44.1kHz: BICK=64fs: Signal Frequency=1kHz: 24-bit Input Data: RL 2k: measurement
bandwidth = 20Hz ~ 20kHz: External Circuit: (Figure 75), unless otherwise specified.)
Parameter
Min.
Typ.
Max.
Unit
Resolution
- - 32 bit
Dynamic Characteristics (Note 9)
THD+N
fs=44.1kHz 0dBFS
BW=20kHz 60dBFS
- -107 -100 dB
- -52 - dB
fs=96kHz 0dBFS
- -104 - dB
BW=40kHz 60dBFS
- -48 - dB
fs=192kHz
BW=40kHz
BW=80kHz
0dBFS
60dBFS
60dBFS
-104 - dB
-48 - dB
-44 - dB
Dynamic Range (60dBFS with A-weighted) (Note 10) 110
115
-
dB
S/N (A-weighted)
(Note 11) 110
115
-
dB
Interchannel Isolation (1kHz)
100 110 - dB
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Output Voltage
- 0 0.3 dB
(Note 12)
-
20
- ppm/C
(Note 13) 2.65 2.8 2.95 Vpp
Load Resistance
(Note 14)
2
-
- k
Load Capacitance
(Note 14)
-
- 30 pF
Power Supplies
Power Supply Current
Normal operation (PDN pin = “H”)
AVDD
TVDD (fs = 44.1kHz)
TVDD (fs = 96kHz)
TVDD (fs = 192kHz)
Power down (PDN pin = “L”)
AVDD+TVDD
(Note 15)
-
-
-
-
-
31 41 mA
8 11 mA
13 17 mA
20 26 mA
1 100 A
014011794-E-01
- 11 -
2015/08
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AK4458.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AK4452 | 115dB 768kHz 32-bit 2ch Premium DAC | AKM |
| AK4454 | 115dB 768kHz 32-bit 4ch Premium DAC | AKM |
| AK4456 | 115dB 768kHz 32-bit 6ch Premium DAC | AKM |
| AK4458 | 115dB 768kHz 32-bit 8ch Premium DAC | AKM |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |