ASAHI KASEI
[AK4550]
n
Ordering Guide
AK4550VT
AKD4550
-40
∼
+85°C
16pin TSSOP (0.65mm pitch)
Evaluation Board for AK4550
n
Pin Layout
VCOM
AINR
AINL
VSS
VDD
DEM0
DEM1
SDTO
1
2
3
4
5
6
7
8
16
15
14
AOUTR
AOUTL
PWDA
PWAD
SCLK
MCLK
LRCK
SDTI
Top
View
13
12
11
10
9
PIN/FUNCTION
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Name
VCOM
AINR
AINL
VSS
VDD
DEM0
DEM1
SDTO
SDTI
LRCK
MCLK
SCLK
PWAD
PWDA
AOUTL
AOUTR
I/O
O
I
I
-
-
I
I
O
I
I
I
I
I
I
O
O
Function
Common Voltage Output Pin, 0.45 x VDD
Rch Analog Input Pin
Lch Analog Input Pin
Ground Pin
Power Supply Pin
De-emphasis Control Pin
De-emphasis Control Pin
Audio Serial Data Output Pin
Audio Serial Data Input Pin
Input/Output Channel Clock Pin
Master Clock Input Pin
Audio Serial Data Clock Pin
ADC Power-Down & Reset Mode Pin
“L”: Power down. ADC should always be reset upon power-up.
DAC Power-Down & Reset Mode Pin
“L”: Power down. DAC should always be reset upon power-up.
Lch Analog Output Pin
Rch Analog Output Pin
M0068-E-01
-2-
2000/4
AKM [ ASAHI KASEI MICROSYSTEMS ]
