ak4522 AKM Semiconductor, Inc., ak4522 Datasheet - Page 3

• Manufacturer Part Number: ak4522
• Description: 20bit Stereo ?? Adc & Dac
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Note: All input pins except pull-down pins should not be left floating.
M0020-E-01
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
Pin Name
VREFH
AINR+
AINR-
AINL+
AINL-
VA
AGND
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
SMUTE
DEM0
DEM1
MCKI
VD
DGND
CMODE
AOUTL
AOUTR
VCOM
PD
I/O
O
O
I
I
I
-
I
I
I
I
I
I
I
-
-
I
I
I
I
-
I
I
I
I
Positive Voltage Reference Input Pin, VA
Rch Analog Negative Input Pin
Lch Analog Negative Input Pin
Analog Power Supply 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
Soft Mute Pin
De-emphasis Frequency Select Pin
De-emphasis Frequency Select Pin
Master Clock Input/X’tal Input Pin
Digital Power Supply Pin
Digital Ground Pin
Reset Pin
Master Clock Select Pin
Lch Analog Output Pin
Common Voltage Output Pin, VA/2
Rch Analog Positive Input Pin
Lch Analog Positive Input Pin
Analog Ground Pin
Rch Analog Output Pin
When this pin goes “H”, soft mute cycle is initiated.
Used as a positive voltage reference by ADC & DAC. VREFH should be connected
externally to filtered VA.
When returning “L”, the output mute releases.
“H”: 384fs, “L”: 256fs, “NC”: 512fs
PIN/FUNCTION
- 3 -
Function
(Internal Biased pin)
[AK4522]
1998/10