ASAHI KASEI
No. Pin Name
[AK5380]
PIN/FUNCTION
I/O
Description
1
2
3
AINR
AINL
NC
I
I
-
Rch Analog Input Pin
Lch Analog Input Pin
NC Pin
No internal bonding.
Common Voltage Output Pin
4
VCOM
O
Normally connected to AGND with a 0.1mF ceramic capacitor in parallel with an
electrolytic capacitor less than 2.2mF.
Analog Ground Pin, 0V
Analog Power Supply Pin, +4.5~+5.5V
Digital Power Supply Pin, +2.7~+5.5V(fs=48kHz), +4.5~+5.5V(fs=96kHz)
Digital Ground Pin, 0V
5
6
7
8
9
AGND
VA
VD
DGND
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.
Left/Right Channel Select Pin
The fs clock is input to this pin.
Master Clock Input Pin
Serial Data Input Pin
Output data is clocked out on the falling edge of SCLK.
Power-Down Pin
10 LRCK
11 MCLK
I
I
I
SCLK
12
13 PDN
I
When “L”, the circuit is in power-down mode.
The AK5380 should always be reset upon power-up.
Serial Interface Format Pin
14 DIF
15 TTL
16 TST
I
I
I
“L”: MSB justified, “H”: I2S
Digital Input Level Select Pin
“L”: CMOS level (VD=2.7~5.5V), “H”: TTL level (VD=4.5~5.5V)
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.
MS0100-E-01
2001/7
- 3 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
