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PIN/FUNCTION
No.
Pin Name
I/O
Description
1
AINR
I
Rch Analog Input Pin
2
AINL
I
Lch Analog Input Pin
3
NC
-
NC Pin
No internal bonding.
4
VCOM
O
Common Voltage Output Pin
Normally connected to AGND with a 0.1
µ
F ceramic capacitor in parallel with an
electrolytic capacitor less than 2.2
µ
F.
5
AGND
-
Analog Ground Pin, 0V
6
VA
-
Analog Power Supply Pin, +4.5
∼
+5.5V
7
VD
-
Digital Power Supply Pin, +2.7
∼
+5.5V(fs=48kHz), +4.5
∼
+5.5V(fs=96kHz)
8
DGND
-
Digital Ground Pin, 0V
9
SDTO
O
Serial Data Output Pin
Data bits are presented MSB first, in 2’s complement format.
This pin is “L” in the power-down mode.
This pin is “L” in the power-down mode.
10
LRCK
I
Left/Right Channel Select Pin
The fs clock is input to this pin.
11
MCLK
I
Master Clock Input Pin
12
SCLK
I
Serial Data Input Pin
Output data is clocked out on the falling edge of SCLK.
13
PDN
I
Power-Down Pin
When “L”, the circuit is in power-down mode.
The AK5380 should always be reset upon power-up.
The AK5380 should always be reset upon power-up.
14
DIF
I
Serial Interface Format Pin
“L”: MSB justified, “H”: I
2
S
15
TTL
I
Digital Input Level Select Pin
“L”: CMOS level (VD=2.7
∼
5.5V), “H”: TTL level (VD=4.5
∼
5.5V)
16
TST
I
Test Pin (Internal pull-down pin)
This pin should be left open.
Note: All input pins except pull-down pins should not be left floating.
A/D CONVERTER IC PIN FUNCTION (AK5380VT) : IC77
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