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AK4452 Datasheet, PDF (8/82 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 2ch Premium DAC
[AK4452]
■ Pin Functions
No
.
Pin Name
1 MCLK
2
BICK
DCLK
3
LRCK
DSDL1
4
SDTI1
DSDR1
5 TST1
6 TDMO1
DZF
7
SMUTE
8
CAD1
DCHAIN
SDA
9 CDTI
TDM0
SCL
10 CCLK
TDM1
CAD0_I2C
11 CSN
DIF
PS
12
CAD0_SPI
13 I2C
14 AOUTL1P
15 AOUTL1N
16 VREFL1
17 VREFH1
18 AOUTR1N
19 AOUTR1P
20 AVSS
21 AVDD
22 TST2
23 TST3
24 TST4
25 TST5
I/O Function
I External Master Clock Input Pin
I Audio Serial Data Clock Pin in PCM mode
I DSD Clock Pin in DSD mode
I Input Channel Clock Pin in PCM mode
I Audio Serial Data Input in DSD mode
I Audio Serial Data Input in PCM mode
I Audio Serial Data Input in DSD mode
I Test Pin. This pin must be connected to DVSS
O Audio Serial Data Output in Daisy Chain mode
O Zero Input Detect in I2C Bus or 3-wire serial control mode
Soft Mute Pin in Parallel control mode.
I When this pin is changed to “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
I Chip Address 0 Pin in I2C Bus or 3-wire serial control mode
I Daisy Chain Mode select pin in Parallel control mode.
I/O Control Data Input Pin in I2C Bus serial control mode
I Control Data Input Pin in 3-wire serial control mode
I TDM Mode select pin in Parallel control mode.
I Control Data Clock Pin in I2C Bus serial control mode
I Control Data Clock Pin in 3-wire serial control mode
I TDM Mode select pin in Parallel control mode.
I Chip Address 0 Pin in I2C Bus serial control mode
I Chip Select Pin in 3-wire serial control mode
Audio Data Format Select in Parallel control mode.
I “L”:32-bit MSB, “H”:32-bit I2S
(I2C pin = “H”)
I Control Mode Select Pin
“L”: I2C Bus serial control mode ,“H”: Parallel control mode.
I
(I2C pin = “L”)
Chip Address 0 Pin in 3-wire serial control mode
Control Mode Select Pin
I “L”: 3-wire serial control mode
“H”: I2C Bus serial control mode or Parallel control mode.
O L ch Positive Analog Output 1 Pin
O L ch Negative Analog Output 1 Pin
I Negative Voltage Reference Input Pin, AVSS
I Positive Voltage Reference Input Pin, AVDD
O R ch Negative Analog Output 1 Pin
O R ch Positive Analog Output 1 Pin
- Analog Ground Pin
- Analog Power Supply Pin, 3.0V5.5V
I Test Pin. This pin must be connected to AVSS.
I Test Pin. This pin must be connected to AVSS.
I Test Pin. This pin must be connected to AVSS.
I Test Pin. This pin must be connected to AVSS.
PD Status
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
100kΩ
Pull down
100kΩ
Pull down
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
-
-
Hi-Z
Hi-Z
Hi-Z
Hi-Z
015002211-E-02
-8-
2015/08