AK4490EN Datasheet, PDF (6/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490EN]
■ Pin Functions
No. Pin Name I/O
Function
1 NC
No internal bonding.
-
Connect to GND.
2 NC
No internal bonding.
-
Connect to GND.
Power-Down Mode Pin
3 PDN
I
When at “L”, the AK4490EN is in power-down mode and is held in reset.
The AK4490EN must always be reset upon power-up.
BICK
I Audio Serial Data Clock Pin in PCM Mode
4 DCLK
I DSD Clock Pin in DSD Mode
BCK
I Audio Serial Data Clock Pin in External DF Mode
SDATA
I Audio Serial Data Input Pin in PCM Mode
5 DSDL
I DSD Lch Data Input Pin in DSD Mode
DINL
I Lch Audio Serial Data Input Pin in External DF Mode
LRCK
I L/R Clock Pin in PCM Mode
6 DSDR
I DSD Rch Data Input Pin in DSD Mode in Serial Control Mode
DINR
I Rch Audio Serial Data Input Pin in External DF Mode
SSLOW
7
WCK
I Digital Filter Setting Pin in Parallel Control Mode (PSN=“H”)
I Word Clock input pin in External DF Mode (PSN=“L”)
Soft Mute Pin in Parallel Control Mode (PSN=“H”)
SMUTE
I
When this pin is changed to “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
8
Chip Select Pin in Serial Control Mode (PSN=“L”, I2C=“L”)
CSN
I
When this pin is PSN=“L”, I2C=“H”, it should be connected to TVDD or
DVSS.
SD
I Digital Filter Setting Pin in Parallel Control Mode (PSN=“H”)
9 CCLK
I Control Data Clock Pin in Serial Control Mode (PSN=“L”, I2C=“L”)
SCL
I Control Data Clock Pin in Serial Control Mode (PSN=“L”, I2C=“H”)
SLOW
I Digital Filter Setting Pin in Parallel Control Mode (PSN=“H”)
10 CDTI
I Control Data Input Pin in Serial Control Mode (PSN=“L”, I2C=“L”)
SDA
I/O Control Data Input Pin in Serial Control Mode (PSN=“L”, I2C=“H”)
DIF0
11
DZFL
I Digital Input Format 0 Pin in PCM Mode (PSN=“H”)
O Lch Zero Input Detect Pin in Serial Control Mode (PSN=“L”)
DIF1
12
DZFR
I Digital Input Format 1 Pin in PCM Mode (PSN=“H”)
O Rch Zero Input Detect Pin in Serial Control Mode (PSN=“L”)
DIF2
13
CAD0
I Digital Input Format 2 Pin in PCM Mode (PSN=“H”)
I Chip Address 0 Pin in Serial Control Mode (PSN=“L”)
14 PSN
Parallel or Serial Select Pin
(Internal pull-up pin)
I
“L”: Serial Control Mode, “H”: Parallel Control Mode
15 I2C
I
I2C mode select pin in Serial mode
“L”: 3 Wire Serial Mode, “H”: I2C-Bus Mode
(Internal pull-down pin)
16 DEM0
I
De-emphasis Enable 0 Pin in Parallel Control Mode (PSN=“H”)
(Internal pull-up pin)
Note 1. All input pins except internal pull-up/down pins must not be left floating.
015013666-E-01
-6-
2015/12