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AK5397 Datasheet, PDF (5/44 Pages) Asahi Kasei Microsystems – 32-Bit Stereo Premium ADC
[AK5397]
■ Functions
No. Pin Name Power I/O
Function
1 LIN+
A I Lch Positive Analog Input Pin
2 LIN-
A I Lch Negative Analog Input Pin
3 TEST1
A
-
Test Pin
This pin must be connected to AVSS.
4 AVSS
A - Analog Ground Pin, 0V
5 HPFE
D
I
HPF Enable Pin
“L”: Disable, “H” Enable
6 CKS0
D I Clock Mode Select #0 Pin
7 CKS1
D I Clock Mode Select #1 Pin
8 CKS2
D I Clock Mode Select #2 Pin
Power down & Reset pin
9 PDN
D I “L”: All blocks are powered-down and reset.
“H”: Normal Operation
10 DVDD
D - Digital Power Supply Pin, 3.0V ~ 3.6V
11 DVSS
D - Digital Ground Pin, 0V
12 MCLK
D I Master Clock Input Pin
13 BICK
D
I/O
Serial Data Clock Pin
When PDN pin = “L”, BICK outputs “L” in master made.
14 LRCK
D
I/O
L/R Channel Select Clock Pin
When PDN pin = “L”, LRCK outputs “L” in master made.
15 SDTO1
D
O
Serial Data Output #1 Pin (Sharp Roll Off Filter Output)
When PDN pin = “L”, SDTO1 outputs “L”.
16 SDTO2
D
O
Serial Data Output #2 Pin (Short Delay or Minimum Phase Filter Output)
When PDN pin = “L”, SDTO2 outputs “L”.
Analog Input Overflow Detect Pin
17 OVF
D O This pin goes to “H” if any analog inputs overflows
When the PDN pin = “L”, the OVF pin outputs “L”.
SDTO1 Output Mute Pin
18 SDM1
D I This function is synchronized with LRCK edges.
“L”: Normal Operation, “H”: “L” output
SDTO2 Output Mute Pin
19 SDM2
D I This function is synchronized with LRCK edges.
“L”: Normal Operation, “H”: “L” output
20 SDFIL
D
I
SDTO2 Digital Filter Select Pin
“L”: Short Delay, “H”: Minimum Phase
21 DIF
D
I
Audio Interface Format Pin
“L”: 32bit MSB justified, “H”: 32bit I2S Compatible
22 MSN
D
I
Master/Slave mode Select Pin
“L”: Slave mode, “H”: Master mode
23 DVSS
D - Digital Ground Pin, 0V
24 DVDD
D - Digital Power Supply Pin, 3.0 ~ 3.6V
25 TDMIN1
D
I TDM Data Input #1 Pin
26 TDMIN2
D
I TDM Data Input #2 Pin
27 TDM0
D
I
TDM I/F Format Enable Pin
“L”: Normal Mode, “H”: TDM Mode
28 TDM1
D
I
TDM I/F BICK Frequency Select Pin
“L”: 256fs, “H”: 128fs
014011535-E-00
-5-
2014/11