UX-Z7MDR
1-44 (No.22042)
SECTION 4
Description of major ICs
4.1 AK4519VF-X (IC480) : A/D D/A converter
• Pin layout
• Block diagram
• Pin Function
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
MCLK
CMODE
LRCK
SCLK
SDTO
SDTI
AINL
VCML
AINR
VCMR
VRAD
ARDV
VCOM
AOUTL
VA AGND VB VD DGND
AOUTR
PWAD PWDA
Clock
Divider
Serial I/O
Interface
Decimation
Filter
Decimation
Filter
8x
Interpolator
8x
Interpolator
Modulator
Modulator
Modulator
Modulator
Common Voltage
LPF
LPF
Pin
No.
Symbol I/O
Function
1
VRDA
I Voltage Reference Input Pin for DAC, VA
2
VRAD
I Voltage Reference Input Pin for ADC, VA
3
AINR
I RCH Analog Input Pin
4
VCMR
O Rch Common Voltage Output Pin, 0.45xVA
5
VCML
O Lch Common Voltage Output Pin, 0.45xVA
6
AINL
I Lch Analog Input Pin
7
PWAD
I ADC Power-Down Mode Pin "L":Power
Down
8
PWDA
I DAC Power-Down Mode Pin "L":Power
Down
9
MCLK
I Master Clock Input Pin
10
LRCK
I Input/Output Channel Clock Pin
11
SCLK
I Audio Serial Data Clock Pin
12
SDTO
O Audio Serial Data Output Pin
13
DGND
- Digital Ground Pin
14
VD
- Digital Power Supply Pin
15
SDTI
I Audio Serial Data Input Pin
16 CMODE
I Master Clock Select Pin
17
DEM1
I De-emphasis Frequency Select Pin
18
DEM0
I De-emphasis Frequency Select Pin
19
AOUTL
O Lch Analog Output Pin
20
AOUTR
O Rch Analog Output Pin
21
VCOM
O Common Voltage Output Pin, 0.45xVA
22
AGND
- Analog Ground Pin
23
VB
- Substrate Pin
24
VA
- Analog Power Supply Pin
Pin
No.
Symbol I/O
Function