AK4373 Datasheet, PDF (8/98 Pages) Asahi Kasei Microsystems – Low Power Stereo DAC with HP/SPK-Amp

No. Pin Name
1 NC
2 VCOM
3 VSS1
4 AVDD
5 VCOC
6 I2C
7 PDN
8 ^CSN
CAD0
9 ^CCLK
SCL
10 ^CDTI
SDA
11 SDTI
12 NC
13 LRCK
14 BICK
15 DVDD
16 VSS3
17 MCKI
18 MCKO
[AK4373]
PIN/FUNCTION
I/O
Function
-
No Connect Pin
No internal bonding. This pin should be open or connected to the ground.
O
Common Voltage Output Pin, 0.5 x AVDD
Bias voltage of DAC outputs.
- Analog Ground Pin
- Analog Power Supply Pin 2.2 ∼ 3.6V
O
Output Pin for Loop Filter of PLL Circuit
This pin must be connected to VSS1 with one resistor and capacitor in series.
I
Control Mode Select Pin
“H”: I²C Bus, “L”: 3-wire Serial
Power-Down Mode Pin
I “H”: Power-up, “L”: Power-down, reset and initialization of the control register.
The AK4373 must be reset once upon power-up.
I Chip Select Pin (I2C pin = “L”: 3-wire Serial Mode)
I Chip Address 1 Select Pin (I2C pin = “H”: I²C Bus Mode)
I Control Data Clock Pin (I2C pin = “L”: 3-wire Serial Mode)
I Control Data Clock Pin (I2C pin = “H”: I²C Bus Mode)
I Control Data Input Pin (I2C pin = “L”: 3-wire Serial Mode)
I/O Control Data Input Pin (I2C pin = “H”: I²C Bus Mode)
I Audio Serial Data Input Pin
-
No Connect Pin
No internal bonding. This pin should be open or connected to the ground.
I/O Input / Output Channel Clock Pin
I/O Audio Serial Data Clock Pin
- Digital Power Supply Pin. 1.6 ∼ 3.6V
- Digital Ground Pin
I External Master Clock Input Pin
O Master Clock Output Pin
MS0991-E-00
-8-
2008/09