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AK4452VN Datasheet, PDF (8/91 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 2ch Premium DAC | |||
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[AK4452]
â Pin Functions
No. Pin Name
1 MCLK
2
BICK
DCLK
3
LRCK
DSDL1
4
SDTI1
DSDR1
5 TST1
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
- This pin must be connected to DVSS
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
- 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 âHâ, soft mute cycle is initiated.
When returning âLâ, 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 âLâï¼32-bit MSB, âHâï¼32-bit I2S
(I2C pin = âHâ)
I Control Mode Select Pin
âLâ: I2C Bus serial control mode ,âHâ: Parallel control mode.
I
(I2C pin = âLâ)
Chip Address 0 Pin in 3-wire serial control mode
Control Mode Select Pin
I âLâ: 3-wire serial control mode
âHâ: 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
- Negative Voltage Reference Input Pin, AVSS
- 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, 3.0Vï¾5.5V
- This pin must be connected to AVSS.
- This pin must be connected to AVSS.
- This pin must be connected to AVSS.
- This pin must be connected to AVSS.
PD state
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
ï¼
ï¼
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Rev. 0.1
2014/04
-8-
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