AK4528_04 Datasheet, PDF (4/29 Pages) Asahi Kasei Microsystems – High Performance 24Bit 96kHz Audio CODEC

ASAHI KASEI
[AK4528]
PIN/FUNCTION
No. Pin Name
1 VCOM
2 AINR+
3 AINR−
4 AINL+
5 AINL−
6 VREF
7 AGND
8 VA
9 P/S
10 MCLK
11 LRCK
12 BICK
13 SDTO
14 SDTI
CDTI
15
CKS0
CCLK
16
CKS1
CSN
17
DIF
18 DFS
19 PDN
20 DEM0
21 DEM1
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 Positive Input Pin
I Rch Negative Input Pin
I Lch Positive Input Pin
I Lch Negative 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
Parallel/Serial Mode Select Pin
I
“L”: Serial Mode, “H”: Parallel Mode
I Master Clock Input Pin
I Input/Output Channel Clock Pin
I Audio Serial Data Clock Pin
O Audio Serial Data Output Pin
I Audio Serial Data Input Pin
I Control Data Input Pin in Serial Mode
I Master Clock Select Pin
I Control Data Clock Pin in Serial Mode
I Master Clock Select Pin
I Chip Select Pin in Serial Mode
Digital Audio Interface Select Pin
I
“L”: 24bit MSB justified, “H”: I²S compatible
I Double Speed Sampling Mode Pin
Power-Down Mode Pin
I
“H”: Power up, “L”: Power down reset and initialize the control register.
I De-emphasis Control Pin
I De-emphasis Control 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 should not be left floating.
MS0011-E-01
-4-
2004/01