AK4522_12 Datasheet, PDF (3/19 Pages) Asahi Kasei Microsystems – 20Bit Stereo ΔΣ ADC & DAC

ASAHI KASEI
[AK4522]
PIN/FUNCTION
No. Pin Name
1 VREFH
2 AINR+
3 AINR-
4 AINL+
5 AINL-
6 VA
7 AGND
8 DIF0
9 DIF1
10 LRCK
11 SCLK
12 SDTI
13 SDTO
14 SMUTE
15 DEM0
16 DEM1
17 MCKI
18 VD
19 DGND
20 PD
21 CMODE
22 AOUTL
23 AOUTR
24 VCOM
I/O
Function
Positive Voltage Reference Input Pin, VA
I
Used as a positive voltage reference by ADC & DAC. VREFH should be connected
externally to filtered VA.
I Rch Analog Positive Input Pin
I Rch Analog Negative Input Pin
I Lch Analog Positive Input Pin
I Lch Analog Negative Input Pin
- Analog Power Supply Pin
- Analog Ground Pin
I Audio Data Interface Format Pin
I Audio Data Interface Format Pin
I Input/Output Channel Clock Pin
I Audio Serial Data Clock Pin
I Audio Serial Data Input Pin
O Audio Serial Data Output Pin
Soft Mute Pin
I When this pin goes “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
I De-emphasis Frequency Select Pin
I De-emphasis Frequency Select Pin
I Master Clock Input/X’tal Input Pin
- Digital Power Supply Pin
- Digital Ground Pin
I Reset Pin
Master Clock Select Pin
I
“H”: 384fs, “L”: 256fs, “NC”: 512fs
(Internal Biased pin)
I Lch Analog Output Pin
I Rch Analog Output Pin
O Common Voltage Output Pin, VA/2
Note: All input pins except pull-down pins should not be left floating.
M0020-E-02
-3-
2012/01