AK4458VN (FRONT CNT : IC301/IC311)
Pin Function
No. Pin Name I/O
Function
PD State
1 MCLK
I External Master Clock Input Pin
Hi-Z
2
BICK
I Audio Serial Data Clock Pin in PCM mode
Hi-z
DCLK
I DSD Clock Pin in DSD mode
3
LRCK
I Input Channel Clock Pin in PCM mode
Hi-Z
DSDL1
I Audio Serial Data Input in DSD mode
4
SDTI1
I Audio Serial Data Input in PCM mode
Hi-Z
DSDR1
I Audio Serial Data Input in DSD mode
5
SDTI2
I Audio Serial Data Input in PCM mode
Hi-Z
DSDL2
I Audio Serial Data Input in DSD mode
6
SDTI3
I Audio Serial Data Input in PCM mode
100k Ω
Pull down
DSDR2
I Audio Serial Data Input in DSD mode
TDMO1
O Audio Serial Data Output in Daisy Chain mode
7
SDTI4
I Audio Serial Data Input in PCM mode
100k Ω
Pull down
DSDL3
I Audio Serial Data Input in DSD mode
TDMO2
O Audio Serial Data Output in Daisy Chain mode
8 DSDR3
I Audio Serial Data Input in DSD mode
Hi-Z
9 DSDL4
I Audio Serial Data Input in DSD mode
Hi-Z
10 DSDR4
I Audio Serial Data Input in DSD mode
Hi-Z
11
DZF
O Zero Input Detect in I2C Bus or 3-wire serial control mode
100k Ω
Pull down
SMUTE
I
Soft Mute Pin in Parallel control mode.
When this pin is changed to "H", soft mute cycle is initiated. When it is returning to "L", the output mute
is released.
12
CAD1
I Chip Address 0 Pin in I C Bus or 3-wire serial control mode
Hi-Z
DCHAIN
I Daisy Chain Mode select pin in Parallel control mode.
13
SDA
I/O Control Data Pin in I2C Bus serial control mode
Hi-Z
CDTI
I Control Data Input Pin in 3-wire serial control mode
TDM0
I TDM Mode select pin in Parallel control mode.
14
SCL
I Control Data Clock Pin in I2C Bus serial control mode
Hi-Z
CCLK
I Control Data Clock Pin in 3-wire serial control mode
TDM1
I TDM Mode select pin in Parallel control mode.
15
CAD0_I2C
I Chip Address 0 Pin in I2C Bus serial control mode
Hi-Z
CSN
I Chip Select Pin in 3-wire serial control mode
DIF
I Audio Data Format Select in Parallel control mode. "L": 32-bit MSB, "H": 32-bit I2S
16
PS
I (I2C pin = "H") Control Mode Select Pin "L": I2C Bus serial control mode, "H": Parallel control mode.
Hi-Z
CAD0_SPI
I (I2C pin = "L") Chip Address 0 Pin in 3-wire serial control mode
17 I2C
I Control Mode Select Pin "L": 3-wire serial control mode
"H": I2C Bus serial control mode or Parallel control mode.
Hi-Z
18 AOUTL1P
O Lch Positive Analog Output 1 Pin
Hi-Z
19 AOUTL1N
O Lch Negative Analog Output 1 Pin
Hi-Z
20 VREFL1
I Negative Voltage Reference Input Pin, AVSS
Hi-Z
21 VREFH1
I Positive Voltage Reference Input Pin, AVDD
Hi-Z
22 AOUTR1N
O Rch Negative Analog Output 1 Pin
Hi-Z
23 AOUTR1P
O Rch Positive Analog Output 1 Pin
Hi-Z
24 AOUTL2P
O Lch Positive Analog Output 2 Pin
Hi-Z
[AK4458]
014011794-E-00
2015/01
- 7 -
5. Pin Configurations and Functions
Ordering Guide
AK4458VN
40 +105 C (Exposed pad is connected to ground)
40 +85 C (Exposed pad is open)
48-pin QFN (0.5mm pitch)
AKD4458 Evaluation Board for AK4458
Pin Configurations
Note 1. The exposed pad at back face of the package must be open or connected to the ground of the board.
191
Содержание SR7010
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