ak4520a AKM Semiconductor, Inc., ak4520a Datasheet - Page 3

• Manufacturer Part Number: ak4520a
• Description: 100db 20bit Stereo Adc & Dac
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
0163-E-00
Note: All input pins except pull-down pins should not be left floating.
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
VREFH
VREFL
VA
TST3
TST2
TST1
VD
VCOM
AINR+
AINR-
AINL+
AINL-
AGND
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
MCLK
DEM0
DEM1
DGND
PWDA
PWAD
CMODE
AOUTL
AOUTR
Pin Name
I/O
I/O
I/O
O
O
O
O
I
I
I
I
I
I
-
-
I
I
I
I
I
I
I
I
-
-
I
I
I
I
Test Pins (Pull down pins)
Digital Ground Pin
DAC Power-Down Mode Pin
ADC Power-Down Mode Pin
Master Clock Select Pin
Positive Voltage Reference Input Pin, VA
Negative Voltage Reference Input Pin, AGND
Rch Analog Positive Input pin
Rch Analog Negative Input Pin
Lch Analog Positive Input pin
Lch Analog Negative Input Pin
Analog Power Supply Pin
Analog Ground pin
Audio Data Interface Format Pin
Audio Data Interface Format Pin
Input/Output Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Master Clock Input Pin
De-emphasis Frequency Select Pin
De-emphasis Frequency Select Pin
Digital Power Supply Pin
Lch analog output pin
Rch analog output pin
Common Voltage Output Pin, VA/2
Used as a positive voltage reference by ADC & DAC. VREFH is connected
externally to filtered VA.
Used as a negative voltage reference by ADC & DAC. VREFL is connected
externally to AGND.
Must be left open or connected to DGND.
"H": 384fs, "L": 256fs
PIN/FUNCTION
- 3 -
Function
[AK4520A]
1997/3