AK5393

ASAHI KASEI
[AK5393]
AK5393
Enhanced Dual Bit ∆Σ 96kHz 24-Bit ADC
AK5393 108kHz
24
128
2ch A/D
AK5393
AK5393
5V
3.3V
3.3V
IC I/F
o
: 1kHz 108kHz
o
o S/(N+D): 105dB
o DR: 117dB
o S/N: 117dB
o
: 0 21.768kHz (@fs=48kHz)
: 0.001dB
: 110dB
o HPF
o
5V 5%
3 5.25V
o
470mW
o
28
SOP
o AK5392
SMODE1 SMODE2
12
VREFL
GNDL
VCOML
AINL+
AINLZCAL
AINR+
AINRVCOMR
VREFR
GNDR
1
SCLK
LRCK
FSYNC
14
13
16
11
15
Serial Output
Interface
Voltage
Reference
2
SDATA
3
4
5
6
25
24
Delta-Sigma
Modulator
Decimation
Filter
HPF
Delta-Sigma
Modulator
Decimation
Filter
HPF
19
HPFE
17
18
MCLK
DFS
26
28
27
23
VA
Voltage
Reference
22
AGND
Controller
21
BGND
9
CAL
M0038-J-04
10
RST
Calibration
SRAM
7
VD
8
DGND
2000/4
-1-
ASAHI KASEI
[AK5393]
n
AK5393-VS
AKD5393
–10~+70°C
28pin SOP
AK5393 Evaluation Board
n
VREFL
1
28
VREFR
GNDL
2
27
GNDR
VCOML
3
26
VCOMR
AINL+
4
25
AINR+
AINL-
5
24
AINR-
ZCAL
6
23
VA
VD
7
22
AGND
DGND
8
21
BGND
CAL
9
20
TEST
RST
10
19
HPFE
SMODE2
11
18
DFS
SMODE1
12
17
MCLK
LRCK
13
16
FSYNC
SCLK
14
15
SDATA
Top
View
n AK5392
Pin 18
fs (max)
MCLK (DFS ="L"@fs=48kHz)
MCLK (DFS ="H"@fs=96kHz)
AK5392
AK5393
CMODE
54kHz
256fs/384fs
DFS
108kHz
256fs
128fs
M0038-J-04
2000/4
-2-
ASAHI KASEI
No.
1
2
3
4
5
6
Pin Name
VREFL
GNDL
VCOML
AINL+
AINLZCAL
[AK5393]
I/O
O
O
I
I
I
Lch
GNDL
Function
3.75V
10µF
Lch
Lch
Lch
Lch
, 0V
, 2.75V
"L" VCOML , VCOMR
"H"
7
VD
-
8
9
DGND
CAL
O
0.1µF
AINL ,AINR
3.3V
"H"
RST
DFS ="L"
DFS ="H"
10
RST
"H"
8704LRCK
17408LRCK
I
"L"
11
12
SMODE2
SMODE1
13
LRCK
"L"
"L"
I
I
I/O
"H"
MSB
, 2's
SMODE2 SMODE1
MODE
LRCK
L
L
Slave mode
:
: H/L
L
H
Master mode :
I S
: H/L
H
L
Slave mode
:I S
: L/H
H
H
Master mode : I S
: L/H
L/R
SMODE1="H"
SMODE2="L"
"H"
SMODE2="H"
"L"
M0038-J-04
2000/4
-3-
ASAHI KASEI
14
SCLK
[AK5393]
I/O
Slave mode:
48fs
Master mode:
128fs(DFS ="L") 64fs(DFS ="H")
"L"
15
SDATA
O
MSB
16
FSYNC
, 2's
"L"
I/O
Slave mode:
"H"
SDATA
care
Master mode:
2fs
17
MCLK
I
18
DFS
I
I S
Don’t
"L"
256fs at DFS ="L", 128fs at DFS ="H"
19
HPFE
I
20
TEST
I
"L":
"H":
HPF
"L": OFF
"H": ON
( pull-down pin)
GND
21
22
23
24
25
26
27
28
BGND
AGND
VA
AINRAINR+
VCOMR
GNDR
VREFR
I
I
O
O
, 0V
, 0V
, 5V
Rch
Rch
Rch
Rch
Rch
GNDR
, 2.75V
0V
3.75V
10µF
M0038-J-04
0.1µF
2000/4
-4-
ASAHI KASEI
[AK5393]
(AGND,BGND,DGND=0V; Note 1)
Parameter
Symbol
min
max
Units
Power Supplies:
Analog
Digital
|BGND-DGND| (Note 2)
Input Current, Any Pin Except Supplies
Analog Input Voltage
VA
VD
∆GND
IIN
VINA
-0.3
-0.3
-0.3
6.0
6.0
0.3
±10
VA+0.3
V
V
V
mA
V
Digital Input Voltage
Ambient Temperature (power applied)
Storage Temperature
Notes: 1.
2. AGND, BGND, DGND
VIND
Ta
Tstg
-0.3
-10
-65
VD+0.3
70
150
V
°C
°C
IC
(AGND,BGND,DGND=0V; Note 1)
Parameter
Power Supplies:
Analog
(Note 3)
Digital
Notes: 1.
3. VA VD
Symbol
min
typ
max
Units
VA
VD
4.75
3.0
5.0
3.3
5.25
5.25
V
V
M0038-J-04
2000/4
-5-
ASAHI KASEI
(
[AK5393]
Ta=25
=1kHz; 24
; VA=5.0V; VD=3.3V; AGND,BGND,DGND=0V; fs=48kHz;
;
=10Hz 20kHz)
Parameter
min
typ
Resolution
24
Analog Input Characteristics:
S/(N+D)
fs=48kHz
-1dBFS
-20dBFS
-60dBFS
fs=96kHz
-1dBFS
BW=40kHz
-20dBFS
-60dBFS
Dynamic Range (-60dBFS with A-Weighted )
S/N
( A-Weighted )
Interchannel Isolation
Interchannel Gain Mismatch
Gain Drift
Offset Error
after calibration, HPF=OFF
after calibration, HPF=ON
Offset Drift
(HPF=OFF)
Offset Calibration Range
(HPF=OFF)
98
96
112
112
110
Input Voltage (AIN+)-(AIN-)
Input Impedance
±2.3
2.4
-
Power Supplies
Power Supply Current
VA
VD (fs=48kHz; DFS ="L")
(fs=96kHz; DFS ="H")
Power Dissipation
Power Supply Rejection
(Note 4)
Notes: 4.
max
1kHz
105
94
54
103
85
45
117
117
120
0.1
±200
±1
±10
±50
0.5
150
±1000
-
Units
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ppm/°C
LSB24
LSB24
LSB24/°C
mV
±2.45
4
±2.6
V
kΩ
90
6
9
470
70
130
9
14
680
mA
mA
mA
mW
dB
20mVpp
M0038-J-04
2000/4
-6-
ASAHI KASEI
[AK5393]
(fs=48kHz)
(Ta=25°C; VA=5.0V±5%; VD=3.0~5.25V; fs=48kHz, DFS ="L")
Parameter
ADC Digital Filter(Decimation LPF):
Passband
(Note 5)
Stopband
(Note 5)
Passband Ripple
Stopband Attenuation
(Note 6)
Group Delay Distortion
Group Delay
(Note 7)
ADC Digital Filter(HPF):
Frequency response
(Note 5)
-3dB
-0.1dB
Symbol
min
PB
SB
PR
SA
∆GD
GD
0
26.232
typ
max
Units
21.768
0
38.7
kHz
kHz
dB
dB
us
1/fs
1.0
6.5
Hz
Hz
±0.001
110
FR
(fs=96kHz)
(Ta=25°C; VA=5.0V±5%; VD=3.0~5.25V; fs=96kHz, DFS ="H")
Parameter
Symbol
min
typ
ADC Digital Filter(Decimation LPF):
Passband
(Note 5)
PB
0
Stopband
(Note 5)
SB
52.464
Passband Ripple
PR
Stopband Attenuation
(Note 8)
SA
110
Group Delay Distortion
∆GD
0
Group Delay
(Note 7)
GD
38.8
ADC Digital Filter(HPF):
Frequency response
(Note 5)
Notes: 5.
6. fs=48KHz
-3dB
FR
-0.1dB
fs
6.144MHz
n x 6.144MHz
2.0
13.0
HPF: ON
6.144MHz
n x 6.144MHz
M0038-J-04
Units
43.536
kHz
kHz
dB
dB
us
1/fs
±0.003
Hz
Hz
21.768kHz ;n=0,1,2,3···
7.
40.8/fs(DFS ="H") typ.
8. fs=96KHz
max
24
40.7/fs(DFS ="L"),
43.536kHz ;n=0,1,2,3···
2000/4
-7-
ASAHI KASEI
[AK5393]
DC
(Ta=25°C; VA=5.0V±5%; VD=3.0 ~ 5.25V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage Iout=-20µA
Low-Level Output Voltage Iout=20µA
Input Leakage Current
Symbol
VIH
VIL
VOH
VOL
Iin
min
70%VD
VD-0.1
-
typ
-
max
30%VD
0.1
±10
Units
V
V
V
V
µA
SWITCHING CHARACTERISTICS
(Ta=25°C; VA=5.0V±5%; VD=3.0 ~ 5.25V; CL=20pF)
Parameter
Control Clock Frequency
Master Clock
256fs:
Pulse width Low
Pulse width High
Serial Data Output Clock (SCLK)
Channel Select Clock (LRCK)
duty cycle
Serial Interface Timing
(Note 9)
Slave Mode(SMODE1="L")
SCLK Period
SCLK Pulse width Low
Pulse width High
SCLK falling to LRCK Edge (Note 10)
LRCK Edge to SDATA MSB Valid
SCLK falling to SDATA Valid
SCLK falling to FSYNC Edge
Master Mode(SMODE1="H")
SCLK Frequency (DFS ="L")
SCLK Frequency (DFS ="H")
duty cycle
FSYNC Frequency
duty cycle
SCLK falling to LRCK Edge
LRCK Edge to FSYNC rising
SCLK falling to SDATA Valid
SCLK falling to FSYNC Edge
Reset/Calibration timing
RST Pulse width
RST falling to CAL rising
RST rising to CAL falling (Note 11)
RST rising to SDATA Valid (Note 11)
Notes: 9.
10.
11. RST
Symbol
min
typ
max
Units
fCLK
tCLKL
tCLKH
fSLK
fs
0.256
29
29
12.288
13.824
6.144
48
6.912
108
75
MHz
ns
ns
MHz
kHz
%
tSLK
tSLKL
tSLKH
tSLR
tDLR
tDSS
tSF
144.7
65
65
-45
45
45
45
45
ns
ns
ns
ns
ns
ns
ns
1
25
-45
fSLK
fSLK
128fs
64fs
50
2fs
50
fFSYNC
tSLR
tLRF
tDSS
tSF
-20
tRTW
tRCR
tRCF
tRTV
150
SCLK " "
LRCK
" "
1-LRCK
(1/fs)
tRCF=17408,tRTV=17920
20
1
45
20
-20
50
8704
8960
Hz
Hz
%
Hz
%
ns
tslk
ns
ns
ns
ns
1/fs
1/fs
LRCK
M0038-J-04
DFS ="H"
2000/4
-8-
ASAHI KASEI
[AK5393]
n
tSLK
LRCK
tSLKL
tSLKH
tSLR
SCLK
tDSS
tDLR
MSB
SDATA
MSB-1
MSB-2
Serial Data Timing (Slave Mode, FSYNC="H")
LRCK
tSLR
SCLK
tSF
tSF
FSYNC
tDSS
tDLR
MSB
SDATA
D1
D0
Serial Data Timing (Slave Mode)
tSLK
LRCK
tSLKL
tSLKH
tSLR
SCLK
tDSS
MSB
SDATA
tDSS
MSB-1
Serial Data Timing (I2S Slave Mode, FSYNC = Don't Care)
M0038-J-04
2000/4
-9-
ASAHI KASEI
[AK5393]
LRCK
tSLR
SCLK
tSF
FSYNC
tSF
tLRF
tDSS
SDATA
MSB
MSB-1
Serial Data Timing (Master Mode & I2S Master Mode, DFS ="L")
tRTW
tRTV
RST
tRCF
CAL
tRCR
SDATA
Reset & Calibration Timing
M0038-J-04
2000/4
- 10 -
ASAHI KASEI
[AK5393]
n
AK5393
MCLK, LRCK(fs), SCLK
(DFS ="L")
MCLK 128fs
AK5393
MCLK LRCK
MCLK 256fs
AK5393
(DFS="H")
LRCK
( RST ="L")
MCLK, SCLK, LRCK
Speed
LRCK (max)
SCLK
MCLK
fs
32.0kHz
44.1kHz
48.0kHz
96.0kHz
Normal(DFS ="L")
54kHz
~128fs
256fs
MCLK
8.1920MHz
11.2896MHz
12.2880MHz
12.2880MHz
Double(DFS ="H")
108kHz
~64fs
128fs
SCLK
4.0960MHz
5.6448MHz
6.1440MHz
6.1440MHz
n
AK5393 4
LRCK
SDATA
SMODE2,SMODE1
fs
SMODE2,SMODE1
A/D
SCLK
2's
MSB
Figure
Figure 1
Figure 2
Figure 3
Figure 4
SMODE2
L
L
H
H
SMODE1
L
H
L
H
Mode
Slave Mode
Master Mode
I2S Slave Mode
I2S Master Mode
M0038-J-04
LRCK
Lch = H, Rch =L
Lch =H, Rch =L
Lch =L, Rch =H
Lch =L, Rch =H
2000/4
- 11 -
ASAHI KASEI
[AK5393]
LRCK(i)
0
1
2
3
20
21
22
23
24
25
15
0
1
2
3
20
21
22
23
24
25
0
1
SCLK(i)
FSYNC(i)
SDATA(o)
23 22 21
4
3
2
0
1
23 22
21
7
4 3
Lch Data
2
1
0
23
2
1
24
25
22
Rch Data
FSYNC(i)
SDATA(o)
23
22
5
4
3
1
2
0
23
22
5
4
3
0
23
23:MSB,0:LSB
LRCK(o)
0
1
2
3
20
21
22
23
24
25
15
33
34
0
1
2
3
20
21
22
23
33
34
0
1
SCLK(o)
FSYNC(o)
SDATA(o)
23 22
5
4
3
1
2
0
23 22
5
4
3
2
1
0
23
Rch Data
Lch Data
23:MSB,0:LSB
LRCK(i)
0
1
2
3
19
20
21
22
23
24
0
1
2
3
19
20
21
22
23
24
0
1
SCLK(i)
SDATA(o)
23 22
6
5
4
3
2
1
0
23
22
6
5
4
3
2
1
0
23
Rch Data
Lch Data
23:MSB,0:LSB
’
LRCK(o)
0
1
2
3
20
21
22
23
24
25
15
33
34
0
1
2
3
20
21
22
23
24
25
33
34
0
1
SCLK(o)
FSYNC(o)
SDATA(o)
23 22
5
4
3
2
1
0
23
Lch Data
23 22
5
4
3
2
1
0
23
Rch Data
23:MSB,0:LSB
M0038-J-04
2000/4
- 12 -
ASAHI KASEI
[AK5393]
n
RST
"L"
"H"
ZCAL
VCOM
VCOM
n
ZCAL
CAL
AIN+/"L"
"H"
"H"
HPF
AK5393 DC
HPF
HPF fc
fs=48kHz
1Hz
fs
M0038-J-04
2000/4
- 13 -
ASAHI KASEI
[AK5393]
5
AKD5393
10µ 0.1µ
+
1
VREFL
VREFR
28
2
GNDL
GNDR
27
3
VCOML
VCOMR
26
Lch+
4
AINL+
AINR+
25
Rch+
Lch-
5
AINL-
AINR-
24
Rch-
6
ZCAL
VA
23
10µ
0.22µ
0.22µ
+3.3~5V
Digital
+
0.1µ
AK5393
0.1µ
+
10µ
7
VD
AGND
22
8
DGND
BGND
21
9
CAL
TEST
20
HPFE
19
+
+5V
Analog
10µ
0.1µ
Reset &
Cal Control
10
RST
Mode
11
SMODE2
DFS
18
Select
12
SMODE1
MCLK
17
13
LRCK
FSYNC
16
14
SCLK
SDATA
15
fs
System
Controller
[email protected]=48k
System Ground
Analog Ground
Notes:
- LRCK = fs, SCLK=64fs.
- VA VD
- AGND, BGND, DGND
/
Digital Ground
Analog Ground
System
Controller
1
VREFL
VREFR
28
2
GNDL
GNDR
27
3
VCOML
VCOMR
26
4
AINL+
AINR+
25
5
AINL-
AINR-
24
6
ZCAL
VA
23
7
VD
AGND
22
8
DGND
BGND
21
9
CAL
TEST
20
HPFE
19
10
M0038-J-04
RST
AK5393
11
SMODE2
DFS
18
12
SMODE1
MCLK
17
13
LRCK
FSYNC
16
14
SCLK
SDATA
15
2000/4
- 14 -
ASAHI KASEI
[AK5393]
1.
PC
2.
VCOM
A/D
VREFL/R
VREFL/R
VREFL/R GNDL/R
GNDL/R
0.1µF
GNDL/R AGND
10µF
VREFL/R
VREFL/R
VCOM
0.22µF
AGND
VCOM
VCOM
AIN+
2.45Vpp(typ)
2's
7FFFFFH(@24bit)
000000H(@24bit)
DC
AK5393 128fs(6.144MHz @fs=48kHz,DFS="L")
128fs
128fs
RC
AK5393
AIN-
AK5393 AGND
VA
2
800000H(@24bit)
+5V
128fs
AIN+/-
VA+0.3V
AGND-0.3V
10mA
IC
15V
M0038-J-04
2000/4
- 15 -
ASAHI KASEI
[AK5393]
-10dB
LPF
370kHz
4.7k
4.7k
Analog In
10nF
910
VP+
AK5393
470p
47µ
+
8.1Vpp
AIN+/360kHz
22Ω
LPF
3k
Bias
VP-
22
+
2.45Vpp
AIN+
910
NJM5532
10n
470p
47µ
3k
VA+
22
-
VA=±5V
AIN-
+
VP=±15V
10k
Bias
Bias
2.45Vpp
CAL
+
10k
0.1 µ
10µ
8
"L" at self calibration
2 (1st order HPF; fc=0.66Hz, 4 1st order LPF; fc=590kHz, gain=-14dB, 5)
(
JP1, JP2
)
+/-12.4Vpp
AK5393
JP1, JP2
(AK5393: +/-2.45Vpp Typ.).
12.4Vpp
BNC
ZCAL
JP1
22u
Vin+
1k
180
-
AK5393 AIN+
+
2.45Vpp
NJM5534
VA
10k
XLR
4.7k
0.1u
4.7k
4.7k
4.7k
10u
+
180
-
2.45Vpp
+
Vin-
NJM5534
100
10k
JP2
-
1.5n
Bias
22u
12.4Vpp
1k
NJM5534
AK5393 AIN-
8.
fin
1Hz
10Hz
Frequency Response
-1.56dB
-0.02dB
4 Frequency Response of HPF
fin
20kHz
40kHz
Frequency Response
-0.005dB
-0.02dB
5 Frequency Response of LPF
M0038-J-04
6.144MHz
-15.6dB
2000/4
- 16 -
ASAHI KASEI
[AK5393]
1.095TYP
18.7±0.3
2.2 ± 0.1
+0.1
0.15-0.05
0.10
0.4±0.1
+0.1
0.1-0.05
1.27
0.75 ± 0.2
10.4 ± 0.3
7.5 ± 0.2
28pin SOP (Unit: mm)
0.12 M
0-10°
n
M0038-J-04
2000/4
- 17 -
ASAHI KASEI
[AK5393]
AKM JAPAN
AK5393VS
XXXBYYYYC
XXXBYYYYC
XXXB:
YYYYC:
(X :
(Y :
,B:
,C:
)
)
•
•
•
•
•
•
M0038-J-04
2000/4
- 18 -