AK4524_12 Datasheet, PDF (4/32 Pages) Asahi Kasei Microsystems – 24Bit 96kHz Audio CODEC

[AK4524]
PIN/FUNCTION
No. Pin Name
1 VCOM
2 AINR
3 AINL
4 VREF
5 AGND
6 VA
7 TEST
8 XTO
9 XTI
10 XTALE
11 LRCK
12 BICK
13 SDTO
14 SDTI
15 CDTI
16 CCLK
17 CS
18 CIF
19 PD
20 M/ S
21 CLKO
22 VT
23 VD
24 DGND
25 AOUTL−
26 AOUTL+
27 AOUTR−
28 AOUTR+
I/O
Function
Common Voltage Output Pin, VA/2
O
Bias voltage of ADC inputs and DAC outputs.
I Rch Analog Input Pin
I Lch Analog Input Pin
Voltage Reference Input Pin, VA
I
Used as a voltage reference by ADC & DAC. VREF is connected externally to
filtered VA.
- Analog Ground Pin
- Analog Power Supply Pin, 4.75 ∼ 5.25V
I Test Pin
(Internal pull-down pin)
O X’tal Output Pin
I X’tal/Master Clock Input Pin
X’tal Osc Enable Pin
I
“H”: Enable, “L”: Disable
I/O Input/Output Channel Clock Pin
I/O Audio Serial Data Clock Pin
O Audio Serial Data Output Pin
I Audio Serial Data Input Pin
I Control Data Input Pin
I Control Data Clock Pin
I Chip Select Pin
Control Data I/F Format Pin
I
“H”: CS falling trigger, “L”: CS rising trigger
Power-Down Mode Pin
I
“H”: Power up, “L”: Power down, reset and initialize the control register.
Master/Slave Mode Pin
I
“H”: Master mode, “L”: Slave mode
O Master Clock Output Pin
- Output Buffer Power Supply Pin, 2.7 ∼ 5.25V
- Digital Power Supply Pin, 4.75 ∼ 5.25V
- Digital Ground Pin
O Lch Negative Analog Output Pin
O Lch Positive Analog Output Pin
O Rch Negative Analog Output Pin
O Rch Positive Analog Output Pin
Note: All input pins except pull-down pins should not be left floating.
M0050-E-04
-4-
2012/01