ak4523 AKM Semiconductor, Inc., ak4523 Datasheet - Page 3

• Manufacturer Part Number: ak4523
• Description: 20bit Stereo Ds Adc & Dac
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Note: All input pins except for CMODE pin should not be left floating.
M0021-E-03
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
MCKI
Pin Name
VREFH
AINR+
AINR-
AINL+
AINL-
VA
AGND
NC
NC
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
SMUTE
DEM0
DEM1
NC
NC
VD
DGND
CMODE
AOUTL
AOUTR
VCOM
PD
I/O
O
O
O
O
I
I
I
I
I
I
I
I
-
-
-
-
I
I
I
I
I
I
-
-
-
-
I
I
Positive Voltage Reference Input Pin, VA
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
No connect
No connect
Audio Data Interface Format 0 Pin
Audio Data Interface Format 1 Pin
Input Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Soft Mute Pin
De-emphasis Frequency Select 0 Pin
De-emphasis Frequency Select 1 Pin
Master Clock Input Pin
No connect
No connect
Digital Power Supply Pin
Digital Ground Pin
Power-Down Mode Pin
Master Clock Select 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 should be connected
externally to filtered VA.
No internal bonding.
No internal bonding.
When this pin goes “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
No internal bonding.
No internal bonding.
“H”: 384fs, “L”: 256fs, “NC”: 512fs
PIN/FUNCTION
- 3 -
Function
(Internal biased pin)
[AK4523]
1999/12