AK4133VN Datasheet, PDF (4/28 Pages) Asahi Kasei Microsystems – 192kHz 24bit Sample Rate Converter

[AK4133]
■ Functions
No. Pin Name I/O Function
1 SD
2 SMUTE
3 CM0
4 CM1
5 TEST
6 ILRCK
7 IBICK
8 SDTI
9 OMCLK
10 OLRCK
11 OBICK
12 SDTO
13 VD18
14 DVSS
15 DVDD
16 VSEL
17 PDN
18 ODIF
19 IDIF
Digital Filter Select Pin
I
“H”: Short Delay Sharp Roll-off Filter
“L”: Sharp Roll-off Filter
Soft Mute Pin
I
When this pin is changed to “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
I Output Port Mode and OMCLK Frequency Select #0 Pin
I Output Port Mode and OMCLK Frequency Select #1 Pin
Test pin.
I
Must be connected to DVSS in normal use. It has a pull-down
resister 100k.
I Channel Clock Input Pin for Input PORT
I Audio Serial Clock Input Pin for Input PORT
I Audio Serial Data Input Pin for Input PORT
I External Master Clock Input
O Channel Clock Output Pin for Output PORT in Master Mode
I Channel Clock Input Pin for Output PORT in Slave Mode
O Audio Serial Clock Output Pin for Output PORT in Master Mode
I Audio Serial Clock Input Pin for Output PORT in Slave Mode
O Audio Serial Data Output Pin for Output PORT
I Internal Digital Power Supply Pin, 1.7  1.9V (VSEL= “H”)
Regulator Output Pin, Typ. 1.8V (VSEL= “L”)
Current must not be taken from this pin. A 10μF (±30%; including
O
the temperature characteristics) capacitor should be connected
between this pin and DVSS. When this capacitor is polarized, the
positive polarity pin should be connected to the VD18 pin.
- Digital Ground Pin
- Digital Power Supply Pin, 3.0  3.6V or 1.7  1.9V
Internal Digital Power Supply Select Pin
I
“H”: External Power Supply
“L”: Internal Regulator
Power-Down Mode Pin
“H”: Power up
I “L”: Power down and reset
The AK4133 should be reset once by bringing PDN pin = “L”
upon power-up.
I Audio Interface Format Select Pin for Output PORT
I Audio Interface Format Select Pin for Input PORT
20 SRCE_N O Unlock Status Pin
Note:
* 1. All input pins should not be allowed to float.
* 2. CM1-0, ODIF and IDIF pins must be changed when the PDN pin = “L”.
PDN= “L”
Status
-
-
-
-
-
-
-
-
-
“L”
-
“L”
-
“L”
-
“L”
-
-
-
-
-
-
“H”
■ Handling of Unused Pin
Classification
Digital
Pin Name
SMUTE
OMCLK
SRCE_N
Setting
Connect to DVSS
Connect to DVSS
Open
015015325-E-01
-4-
2016/06