[AK5574]
■ Pin Functions
Power Down
Status
No. Pin Name
I/O Function
1
2
3
4
5
6
7
8
9
NC
-
I
I
I
I
-
-
I
I
I
I
-
I
I
I
I
NC Pin (The pins that are not to be connected)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
VREFL1
VREFH1
AIN2N
AIN2P
AVDD
AVSS
AIN3P
AIN3N
ADC Low Level Voltage Reference Input Pin
ADC High Level Voltage Reference Input Pin
Channel 2 Negative Input Pin
Channel 2 Positive Input Pin
Analog Power Supply Pin (AIN1-4), 4.75-5.25 V
Analog Ground Pin (AIN1-4)
Channel 3 Positive Input Pin
Channel 3 Negative Input Pin
ADC High Level Voltage Reference Input Pin
ADC Low Level Voltage Reference Input Pin
NC Pin (The pins that are not to be connected)
Channel 4 Negative Input Pin
10 VREFH2
11 VREFL2
12 NC
13 AIN4N
14 AIN4P
15 TEST
16 MCLK
Channel 4 Positive Input Pin
TEST Enable Pin
Master Clock Input Pin
Digital I/O Buffers and LDO Power Supply Pin,
1.7-1.98 V (LDOE pin= “L”) or 3.0-3.6 V (LDOE pin= “H”).
Digital Ground Pin
17 TVDD
18 DVSS
-
-
-
I
-
-
Digital Core Power Supply Pin, 1.7-1.98V (LDOE pin= “L”)
Hi-z & Pull
Down with
500 Ω
-
19 VDD18
O
LDO Stabilization Capacitor Connect Pin. (LDOE pin= “H”)
Reset & Power Down Pin
“L”: Reset & Power Down, “H” : Normal Operation
20 PDN
I
21 PW0
22 PW1
23 PW2
24 MSN
I
I
I
I
Power Management Pin, Channel Summation Select Pin1
Power Management Pin, Channel Summation Select Pin2
Power Management Pin, Channel Summation Select Pin3,
Master/Slave Select Pin
-
-
-
-
Audio Serial Data Clock Input Pin in PCM & Slave Mode
(This pin is pull down by 100 kΩ internally.)
Audio Serial Data Clock Output Pin in PCM & Master Mode
(This pin is pull down by 100 kΩ internally.)
DSD Clock Output Pin in DSD Mode
(This pin is pull down by 100 kΩ internally.)
Channel Clock Input Pin in PCM & Slave Mode
(This pin is pull down by 100 kΩ internally.)
Channel Clock Output Pin in PCM & Master Mode
(This pin is pull down by 100 kΩ internally.)
Audio Serial Data Output Pin for AIN1 in DSD Mode
(This pin is pull down by 100 kΩ internally.)
TDM Data Input Pin in PCM Mode
(This pin is pull down by 100 kΩ internally.)
Audio Serial Data Output Pin for AIN2 in DSD Mode
(This pin is pull down by 100 kΩ internally.)
Audio Serial Data Output Pin for AIN1 and AIN2 in PCM Mode
Audio Serial Data Output Pin for AIN3 in DSD Mode
Audio Serial Data Output Pin for AIN3 and AIN4 in PCM Mode
Audio Serial Data Output Pin for AIN4 in DSD Mode
I
-
BICK
25
O
O
I
Hi-z
Hi-z
-
DCLK
LRCK
26
O
O
I
Hi-z
Hi-z
-
DSDOL1
TDMIN
27
DSDOR1
O
Hi-z
SDTO1
28
O
O
O
O
L
L
L
L
DSDOL2
SDTO2
DSDOR2
29
30 OVF
O
Analog Input Over Flow Flag Output Pin
L
015016764-E-00
2015/12
- 5 -