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AK4554 Datasheet(Arkusz danych) 3 Page - Asahi Kasei Microsystems

Numer części AK4554
Szczegółowy opis  Low Power & Small Package 16bit ΔΣ CODEC
Pobierz  17 Pages
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Producent  AKM [Asahi Kasei Microsystems]
Strona internetowa  http://www.akm.com
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ASAHI KASEI
[AK4554]
MS0325-E-01
2005/08
- 3 -
PIN/FUNCTION
No.
Pin Name
I/O
Function
1
VCOM
O
Common Voltage Output Pin, 0.5 x VDD
2
AINR
I
Rch Analog Input Pin
3
AINL
I
Lch Analog Input Pin
4
VSS
-
Ground Pin
5
VDD
-
Power Supply Pin
6
DEM0
I
De-emphasis Control Pin
7
DEM1
I
De-emphasis Control Pin
8
SDTO
O
Audio Serial Data Output Pin
9
SDTI
I
Audio Serial Data Input Pin
10
LRCK
I
Input/Output Channel Clock Pin
11
MCLK
I
Master Clock Input Pin
12
SCLK
I
Audio Serial Data Clock Pin
13
PWADN
I
ADC Power-Down & Reset Mode Pin
“L”: Power down. ADC should always be reset upon power-up.
14
PWDAN
I
DAC Power-Down & Reset Mode Pin
“L”: Power down. DAC should always be reset upon power-up.
15
AOUTL
O
Lch Analog Output Pin
16
AOUTR
O
Rch Analog Output Pin
Note: All input pins except analog input pins (AINR and AINL) should not be left floating.
Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification
Pin Name
Setting
Analog
AINR, AINL, AOUTL, AOUTR
These pins should be open.
SDTO
This pin should be open.
Digital
SDTI
This pin should be connected to VSS.




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