[AK4388A]
PIN/FUNCTION
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pin Name
MCLK
BICK
SDTI
LRCK
RSTN
SMUTE
ACKS
DIF0
DIF1
AOUTR
AOUTL
VCOM
VSS
VDD
DEM
I/O
I
I
I
I
I
I
I
I
I
O
O
O
-
-
I
Function
Master Clock Input Pin
An external TTL clock must 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 AK4388A is in power-down mode and is held in reset. The
AK4388A must always be reset 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
4.5V~5.5V
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 must not be left floating.
ABSOLUTE MAXIMUM RATINGS
(VSS=0V;
Parameter
Power Supply
Input Current (any pins except for supplies)
Input Voltage
Ambient Operating Temperature
Storage Temperature
Note 1. All voltages with respect to ground.
Symbol
VDD
IIN
VIND
Ta
Tstg
min
-0.3
-
-0.3
-20
-65
max
6.0
±10
VDD+0.3
85
150
Units
V
mA
V
°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;
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.
MS1008-E-02
-3-
2010/09
AKM [ ASAHI KASEI MICROSYSTEMS ]
