ASAHI KASEI
[AK4388]
PIN/FUNCTION
No.
1
2
3
4
5
Pin Name
MCLK
BICK
SDTI
LRCK
RSTN
I/O
I
I
I
I
I
Function
Master Clock Input Pin
An external TTL clock should be input on this pin.
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
L/R Clock Pin
Reset Mode Pin
When at “L”, the AK4388 is in the power-down mode and is held in reset.
The AK4388 must be reset once upon power-up.
Soft Mute Pin
“H”: Enable, “L”: Disable
Auto Setting Mode Pin
“L”: Manual Setting Mode, “H”: Auto Setting Mode
Audio Data Interface Format Pin
Audio Data Interface Format Pin (Internal pull-up pin)
Rch Analog Output Pin
Lch Analog Output Pin
Common Voltage Pin, VDD/2
Normally connected to VSS with a 10µF electrolytic cap.
Ground Pin
Power Supply Pin
6
7
8
9
10
11
12
13
14
15
SMUTE
ACKS
DIF0
DIF1
AOUTR
AOUTL
VCOM
VSS
VDD
DEM
I
I
I
I
O
O
O
-
-
I
De-emphasis Mode Pin (Internal pull-down pin)
When at “H”, the de-emphasis filter is available.
16
DZF
O
Zero Input Detect Pin
Note: All input pins except pull-up and pull-down pins should not be left floating.
ABSOLUTE MAXIMUM RATINGS
(VSS=0V; Note 1)
Parameter
Power Supply
Input Current (any pins except for supplies)
Input Voltage
Ambient Operating Temperature
AK4388ET
AK4388VT
Storage Temperature
Note: 1. All voltages with respect to ground.
Symbol
VDD
IIN
VIND
Ta
Ta
Tstg
min
-0.3
-
-0.3
-20
-40
-65
max
6.0
±
10
VDD+0.3
85
85
150
Units
V
mA
V
°C
°C
°C
WARNING: Operation at or beyond these limits may results in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMENDED OPERATING CONDITIONS
(VSS=0V; Note 1)
Parameter
Power Supply
Symbol
VDD
min
4.5
typ
5.0
max
5.5
Units
V
*AKM assumes no responsibility for the usage beyond the conditions in this datasheet.
MS0485-E-01
-3-
2006/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
