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AK4492ECB Datasheet, PDF (7/101 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC
[AK4492]
■ Pin Functions
No.
Pin
Name
I/O
Protection
Diode
Function
ACKS
A2
Auto Setting Mode Select Pin in Pin Control Mode
I
(PSN pin = “H”)
TVDD/DVSS “L”: Manual Setting Mode, “H”: Auto Setting Mode
CAD1 I
Chip Address 1 Pin in Register Control Mode
(PSN pin = “L”)
TDM0 I
TDM Mode Select Pin in Pin Control mode (PSN pin=“H”)
A3
DCLK
I
TVDD/DVSS DSD Clock Pin in DSD Mode
(PSN pin=“L”, DSDPATH bit =“0”)
A4 INVR I TVDD/DVSS Rch signal Invert pin in Pin Control Mode
A5 VREFHR I VDDR/VSSR Rch High Level Voltage Reference Input Pin
A6 VREFHR I VDDR/VSSR Rch High Level Voltage Reference Input Pin
A7 VREFLR I VDDR/VSSR Rch Low Level Voltage Reference Input Pin
A8 VREFLR I VDDR/VSSR Rch Low Level Voltage Reference Input Pin
A9 AOUTRN O VDDR/VSSR Rch Negative Analog Output Pin
DEM0 I
De-emphasis Enable 0 Pin in Pin Control Mode (PSN pin=“H”)
B1 DSDL
I
TVDD/DVSS DSD Lch Data Input Pin in DSD Mode
(PSN pin = “L”, DSDPATH bit = “0”)
GAIN
B2
DSDR
I
I
TVDD/DVSS
Output Gain Control Pin in Pin Control Mode (PSN pin = “H”)
“L”:Output Level 2.8 Vpp, “H”: Output Level 3.75 Vpp
DSD Rch Data Input Pin in DSD Mode
(PSN pin = “L”, DSDPATH bit = “0”)
B3 TDM1 I TVDD/DVSS TDM Mode Select Pin in Pin Control Mode
B4 DCHAIN I TVDD/DVSS Daisy Chain Mode Select Pin in Pin Control Mode
B5 TESTE I TVDD/DVSS Test mode Enable Pin(Internal pull-down pin)
Right channel Common Voltage Pin,
B8 VCMR I VDDR/VSSR Normally connected to VREFLR with a 1uF electrolytic cap.
This pin is inhibited to connect other devices.
B9 AOUTRP O VDDR/VSSR Rch Positive Analog Output Pin
DIF1 I
Digital Input Format 1 Pin in Pin Control Mode (PSN pin = “H”)
C1
DZFR
O
TVDD/DVSS Rch Zero Input Detect Pin in Register Control Mode (PSN pin = “L”)
(Internal pull-down pin)
HLOAD
C2
I2C
I
I
TVDD/DVSS
Heavy Load Mode Enable Pin in Pin Control Mode (PSN pin = “H”)
“L”:Normal Drive Mode, “H”: Heavy Load Drive Mode
Resister Control Interface Pin in Register Control Mode (PSN pin =
“L”) “L”: 3 Wire Serial Mode, “H”: I2C-Bus Mode
C9 VDDR -
-
Rch Analog Power Supply Pin
C10 VDDR -
-
Rch Analog Power Supply Pin
DIF0 I
Digital Input Format 0 Pin in Pin Control Mode (PSN pin = “H”)
D1
DZFL
O
TVDD/DVSS Lch Zero Input Detect Pin in Register Control Mode
(PSN pin=“L”)(Internal pull-down pin)
D2
DIF2
CAD0
D3 PSN
D9 VDDR
D10 VSSR
I
I
TVDD/DVSS
Digital Input Format 2 Pin in Pin Control Mode (PSN pin = “H”)
Chip Address 0 Pin in Register Control Mode (PSN pin = “L”)
Pin Control Mode or Register Control Mode Select Pin
I TVDD/DVSS (Internal pull-down pin)
“L”: Register Control Mode, “H”: Pin Control Mode
-
-
Rch Analog Power Supply Pin
-
-
Analog Ground Pin
016011073-E-00
-7-
2016/12