AK4458 Datasheet, PDF (5/84 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC

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