AK5385AVS Datasheet, PDF (5/24 Pages) Asahi Kasei Microsystems – 24Bit 192kHz DS ADC

ASAHI KASEI
[AK5385A]
n Compare PCB layout example between AK5385A and AK5394A
Analog Ground
0.1µ
0.1µ
10µ
1 VREFL+
VREFR+ 28
10µ
10µ
2 VREFL-
VREFR- 27
10µ
0.22µ
3 VCOML
4 AINL+
5 AINL-
3.0 ~ 5.25V
Digital
0.1µ ^{6 ZCAL}
7 VD
8 DGND
10µ
9 CAL
VCOMR 26
AINR+ 25 ^0.22µ
5V
AINR- 24
0.1µ
Analog
VA 23
AGND 22
BGND 21
10µ
DFS1 20
10 RSTN
HPFE 19
11 SMODE2
DFS0 18
12 SMODE1
MCLK 17
13 LRCK
FSYNC 16
14 SCLK
SDATA 15
AK5394A
Analog Ground
0.1µ
0.1µ
10µ
1 VREFL
VREFR 28
10µ
(short)
2 AVSS
AVSS 27
(short)
0.22µ
3 VCOM
4 LIN+
5 LIN-
3.0 ~ 5.25V
Digital
0.1µ ^{6 CKS0}
7 DVDD
8 DVSS
10µ
9 OVF
TEST 26
RIN+ 25
RIN- 24
0.1µ
AVDD 23
5V
Analog
AVSS 22
BVSS 21
10µ
DFS1 20
10 PDN
HPFE 19
11 M/S
DFS0 18
12 DIF
MCLK 17
13 LRCK
CKS1 16
14 BICK
SDTO 15
AK5385A
Pin #
1
2
6
9
11
12
16
AK5394A
VREFL+
Lch Positive Voltage Reference Output Pin, 3.75V
Normally connected to AGND with a large
electrolytic capacitor and connected to VREFL−
with a 0.22µF ceramic capacitor.
VREFL−
Lch Negative Voltage Reference Output Pin, 1.25V
Normally connected to AGND with a large
electrolytic capacitor and connected to VREFL+
with a 0.22µF ceramic capacitor.
ZCAL
Zero Calibration Control Pin
This pin controls the calibration reference signal.
CAL
Calibration Active Signal Pin
SMODE2
Serial Interface Mode Select Pin
SMODE1
Serial Interface Mode Select Pin
FSYNC
Frame Synchronization Signal Pin
VREFR−
Rch Negative Voltage Reference Output Pin, 1.25V
27 _{Normally connected to AGND with a large}
electrolytic capacitor and connected to VREFR+
with a 0.22µF ceramic capacitor.
26 ^VCOMR
Rch Common Voltage Pin, 2.75V
VREFR+
Rch Positive Reference Output Voltage, 3.75V
28 Normally connected to AGND with a large
electrolytic capacitor and connected to VREFR−
with a 0.22µF ceramic capacitor.
AK5385A
VREFL
Lch Voltage Reference Input Pin, AVDD
Normally, connected to AVSS with a 10µF
electrolytic capacitor and a 0.1µF ceramic capacitor.
AVSS
Analog Ground Pin
CKS0
Master Clock Select 0 Pin
(Internal Pull-down Pin, typ. 100kΩ)
OVF
Analog Input Overflow Detect Pin
DIF
Audio Interface Format Pin
M/S
Master / Slave Mode Pin
CKS1
Master Clock Select 1 Pin
(Internal Pull-down Pin, typ. 100kΩ)
AVSS
Analog Ground Pin
TEST
Test Pin (Internal Pull-down Pin, typ. 100kΩ)
VREFR
Rch Voltage Reference Input Pin, AVDD
Normally, connected to AVSS with a 10µF
electrolytic capacitor and a 0.1µF ceramic capacitor.
MS0265-E-01
-5-
2003/11