AK4436 Datasheet, PDF (5/63 Pages) Asahi Kasei Microsystems – 108dB 768kHz 32bit 6-Channel Audio DAC

[AK4436]
■ Pin Functions
No. Pin Name I/O
PD state
Function
1 MCLK
I
Hi-z
External Master Clock Input Pin
2 BICK
I
Hi-z
Audio Serial Data Clock Pin
3 LRCK
I
Hi-z
Input Channel Clock Pin
4 SDTI1
I
Hi-z
Audio Serial Data Input
5 SDTI2
I
Hi-z
Audio Serial Data Input
6 SDTI3
I
Hi-z
Audio Serial Data Input
7 TST1
I
Hi-z
Test pin. This pin must be connected to VSS1.
8 DZF
O 50kΩ, Pull-down Zero Input Detect in I2C Bus or 3-wire serial control mode
Power-Down & Reset Pin.
9 PDN
I
Hi-z
When “L”, the AK4436 is powered-down and the control registers are
reset to default state.
Soft Mute Pin in Parallel control mode.
10 ^SMUTE
I
Hi-z
When this pin is changed to “H”, soft mute cycle is initiated. When
returning “L”, the output mute releases.
CAD1
I
Chip Address 1 Pin in I²C Bus or 3-wire serial control mode
SDA
I/O
Control Data Input Pin in I²C Bus serial control mode
11 CDTI
I
Hi-z
Control Data Input Pin in 3-wire serial control mode
TDM0
I
SCL
I
12 CCLK
I
TDM Mode select pin in Parallel control mode.
Control Data Clock Pin in I²C Bus serial control mode
Hi-z
Control Data Clock Pin in 3-wire serial control mode
TDM1
I
CAD0_I2C I
TDM Mode select pin in Parallel control mode.
Chip Address 0 Pin in I²C Bus serial control mode
13 ^CSN
DIF
I
I
Hi-z
Chip Select Pin in 3-wire serial control mode
Audio Data Format Select in Parallel control mode.
“L”: 32bit MSB, “H”: 32bit I2S
14 ^PS
I
CAD0_SPI I
15 AOUTL1 O
(I2C pin = “H”) Control Mode Select Pin
Hi-z
“L”: I²C Bus serial control mode, “H”: Parallel control mode.
(I2C pin = “L”) Chip Address 0 Pin in 3-wire serial control mode
Hi-z
Lch Analog Output Pin
16 AOUTR1 O
Hi-z
Rch Analog Output Pin
17 AOUTL2 O
Hi-z
Lch Analog Output Pin
18 AOUTR2 O
Hi-z
Rch Analog Output Pin
19 VREFH
-
Hi-z
Positive Voltage Reference Input Pin, AVDD
20 VREFL
-
Hi-z
Negative Voltage Reference Input Pin, VSS2
21 VCOM
22 VSS2
Common Voltage Output Pin, AVDDx1/2
O 500Ω, Pull-down Large external capacitor around 2.2µF is used to reduce
power-supply noise.
-
-
Analog Ground Pin
23 AVDD
-
24 AOUTL3 O
-
Analog Power Supply Pin, 3.0V3.6V
Hi-z
Lch Analog Output Pin
25 AOUTR3 O
Hi-z
Rch Analog Output Pin
26 TST2
O
Hi-z
Test pin. This pin must be open.
27 TST3
O
Hi-z
Test pin. This pin must be open.
28 TEST
- 25kΩ, Pull-down This pin must be connected to VSS1.
29 I2C
Control Mode Select Pin
I
Hi-z
“L”: 3-wire serial control mode
“H”: I²C Bus serial control mode or Parallel control mode.
30 TVDD
-
31 VSS1
-
-
Digital Power Supply Pin, 1.7V3.6V
-
Digital Ground Pin
32 LDOO
O 580Ω, Pull-down LDO Output Pin.
This pin must be connected to ground with 2.2uF ±50
Note 1. All digital input pins must not be allowed to float.
016001934-E-00
-5-
2016/03