データシート

ASAHI KASEI
[AK5381]
AK5381
96kHz 24Bit ∆Σ ADC
AK5381
A/D
4kHz ∼ 96kHz
∆Σ
AK5381
AK5381
(
AK5381
I2S)
16pin TSSOP
AV
†
∆Σ ADC
†
†
† DC
HPF
† S/(N+D): 96dB@5V (48kHz)
† DR:
106dB@5V (48kHz)
† S/N:
106dB@5V (48kHz)
†
: 4kHz ∼ 96kHz
†
:
256fs/384fs/512fs/768fs (∼ 48kHz)
256fs/384fs
(∼ 96kHz)
†
: TTL/CMOS (2
TTL
†
:
/
2
†
: 24bit
/I S
†
: 4.5 ∼ 5.5V (VA)
2.7 ∼ 5.5V (VD at 48kHz)
3.0 ∼ 5.5V (VD at 96kHz)
† Ta = −40 ∼ 85°C (VT), −20 ∼ 85°C (ET)
†
: 16pin TSSOP
† AK5380
VA AGND
)
MCLK
VD DGND
Clock Divider
AINL
AINR
VCOM
∆Σ
Modulator
Decimation
Filter
∆Σ
Modulator
Decimation
Filter
LRCK
SCLK
Serial I/O
Interface
Voltage Reference
CKS2 CKS1 CKS0
PDN
MS0200-J-02
SDTO
DIF
2006/01
-1-
ASAHI KASEI
[AK5381]
„
AK5381ET
AK5381VT
AKD5381
−20 ∼ +85°C
−40 ∼ +85°C
AK5381
16pin TSSOP (0.65mm pitch)
16pin TSSOP (0.65mm pitch)
„
AINR
1
16
CKS0
AINL
2
15
CKS2
CKS1
3
14
DIF
VCOM
4
13
PDN
AGND
5
12
SCLK
VA
6
11
MCLK
VD
7
10
LRCK
DGND
8
9
SDTO
Top View
„ AK5380
Master Mode
HPF OFF
TTL Level Mode
VIH@TTL Level Mode
VD (Digital Supply)
Pin #3
Pin #15
Pin #16
AK5380
Not Available
Not Available
4kHz to 96kHz
2.2V
4.5 to 5.5V@fs=96kHz
NC
TTL
TST
MS0200-J-02
AK5381
Available
Available
4kHz to 48kHz
2.4V
3.0 to 5.5V@fs=96kHz
CKS1
CKS2
CKS0
2006/01
-2-
ASAHI KASEI
No.
Pin Name
[AK5381]
I/O
Function
Rch Analog Input Pin
Lch Analog Input Pin
Mode Select 1 Pin
Common Voltage Output Pin, VA/2
Bias voltage of ADC input.
Analog Ground Pin
Analog Power Supply Pin, 4.5 ∼ 5.5V
Digital Power Supply Pin, 2.7 ∼ 5.5V(fs=4k ∼ 48kHz), 3.0 ∼ 5.5V(fs=48k ∼ 96kHz)
Digital Ground Pin
Audio Serial Data Output Pin
“L” Output at Power-down mode.
Output Channel Clock Pin
“L” Output in Master Mode at Power-down mode.
Master Clock Input Pin
Audio Serial Data Clock Pin
“L” Output in Master Mode at Power-down mode.
Power Down Mode Pin
“H”: Power up, “L”: Power down
Audio Interface Format Pin
“H” : 24bit I2S Compatible, “L” : 24bit MSB justified
Mode Select 2 Pin
Mode Select 0 Pin
1
2
3
AINR
AINL
CKS1
I
I
I
4
VCOM
O
5
6
7
8
AGND
VA
VD
DGND
-
9
SDTO
O
10
LRCK
I/O
11
MCLK
I
12
SCLK
I/O
13
PDN
I
14
DIF
I
15
16
CKS2
CKS0
I
I
Note: All digital input pins should not be left floating.
MS0200-J-02
2006/01
-3-
ASAHI KASEI
[AK5381]
(AGND, DGND=0V; Note 1)
Parameter
Power Supplies:
Analog
Digital
|AGND – DGND|
(Note 2)
Input Current, Any Pin Except Supplies
Analog Input Voltage (AINL, AINR, CKS1 pins)
Digital Input Voltage (All digital input pins except CKS1 pin)
Ambient Temperature (powered applied)
AK5381ET
AK5381VT
Storage Temperature
Note 1.
Note 2. AGND, DGND
Symbol
VA
VD
∆GND
IIN
VINA
VIND
Ta
Ta
Tstg
min
−0.3
−0.3
−0.3
−0.3
−20
-40
−65
max
6.0
6.0
0.3
±10
VA+0.3
VD+0.3
85
85
150
Units
V
V
V
mA
V
V
°C
°C
°C
:
(AGND, DGND=0V; Note 1)
Parameter
Power Supplies Analog
(Note 3)
Digital (fs=4kHz to 48kHz)
Digital (fs=48kHz to 96kHz)
Note 1.
Note 3. VA
Symbol
VA
VD
VD
min
4.5
2.7
3.0
typ
5.0
5.0
5.0
max
5.5
VA
VA
Units
V
V
V
VD
:
MS0200-J-02
2006/01
-4-
ASAHI KASEI
[AK5381]
(Ta=25°C; VA=VD=5.0V; AGND=DGND=0V; fs=48kHz, 96kHz; SCLK=64fs; Signal Frequency=1kHz; 24bit Data;
Measurement frequency=20Hz ∼ 20kHz at fs=48kHz, 40Hz ∼ 40kHz at fs=96kHz; unless otherwise specified)
Parameter
min
typ
max
Units
ADC Analog Input Characteristics:
Resolution
24
Bits
Input Voltage
(Note 4)
2.7
3.0
3.3
Vpp
S/(N+D)
(−1dBFS)
fs=48kHz
88
96
dB
fs=96kHz
82
90
dB
DR
(−60dBFS)
fs=48kHz, A-weighted
100
106
dB
fs=96kHz
94
102
dB
S/N
fs=48kHz, A-weighted
100
106
dB
fs=96kHz
94
102
dB
Input Resistance
fs=48kHz
10
15
kΩ
fs=96kHz
6
9
kΩ
Interchannel Isolation
90
110
dB
Interchannel Gain Mismatch
0.1
0.5
dB
Gain Drift
100
150
ppm/°C
Power Supply Rejection
(Note 5)
50
dB
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
VA
VD
(fs=48kHz)
VD
(fs=96kHz)
Power down mode (PDN pin = “L”)
VA+VD
Note 4.
Note 5. VA, VD
Note 6.
16
8
14
24
12
21
mA
mA
mA
10
100
µA
(Note 6)
(0dB)
VA
Vin = 0.6 x VA (Vpp)
1kHz, 50mVpp
VD
DGND
MS0200-J-02
2006/01
-5-
ASAHI KASEI
[AK5381]
(fs=48kHz)
(Ta=Tmin ∼ Tmax; VA=4.5 ∼ 5.5V; VD=2.7 ∼ 5.5V)
Parameter
Symbol
ADC Digital Filter (Decimation LPF):
Passband
(Note 7)
±0.005dB
PB
±0.02dB
−0.06dB
−6.0dB
Stopband
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay Distortion
∆GD
Group Delay
(Note 8)
GD
ADC Digital Filter (HPF):
Frequency Response (Note 7)
−3dB
FR
−0.5dB
−0.1dB
min
typ
max
Units
0
26.5
21.768
22.0
24.0
21.5
-
0
27.6
kHz
kHz
kHz
kHz
kHz
dB
dB
µs
1/fs
1.0
2.9
6.5
Hz
Hz
Hz
±0.005
80
(fs=96kHz)
(Ta=Tmin ∼ Tmax; VA=4.5 ∼ 5.5V; VD=3.0 ∼ 5.5V)
Parameter
Symbol
ADC Digital Filter (Decimation LPF):
Passband
(Note 7)
±0.005dB
PB
±0.02dB
−0.06dB
−6.0dB
Stopband
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay Distortion
∆GD
Group Delay
(Note 8)
GD
ADC Digital Filter (HPF):
Frequency Response (Note 7)
−3dB
FR
−0.5dB
−0.1dB
Note 7.
Note 8.
typ
max
Units
0
53.0
43.536
44.0
48.0
43.0
-
0
27.6
kHz
kHz
kHz
kHz
kHz
dB
dB
µs
1/fs
2.0
5.8
13.0
Hz
Hz
Hz
±0.005
80
fs (
24
min
)
1kHz
ADC
MS0200-J-02
2006/01
-6-
ASAHI KASEI
[AK5381]
DC
(CMOS Level Mode)
(Ta=Tmin ∼ Tmax; VA=4.5 ∼ 5.5V; VD=2.7 ∼ 5.5V@fs=4kHz ∼ 48kHz, VD=3.0 ∼ 5.5V@fs=∼96kHz)
Parameter
Symbol
min
typ
max
High-Level Input Voltage
VIH
70%VD
Low-Level Input Voltage
VIL
30%VD
High-Level Output Voltage
(Iout=−100µA)
VOH
VD-0.5
Low-Level Output Voltage
(Iout=100µA)
VOL
0.5
Input Leakage Current
Iin
±10
Units
V
V
V
V
µA
DC
(TTL Level Mode)
(Ta=Tmin ∼ Tmax; VA=4.5 ∼ 5.5V; VD=4.5 ∼ 5.5V@fs=4kHz ∼ 48kHz)
Parameter
Symbol
min
High-Level Input Voltage
(CKS2-0 pins)
VIH
70%VD
(All pins except CKS2-0 pins)
VIH
2.4
Low-Level Input Voltage
(CKS2-0 pins)
VIL
(All pins except CKS2-0 pins)
VIL
High-Level Output Voltage
(Iout=−100µA)
VOH
VD-0.5
Low-Level Output Voltage
(Iout=100µA)
VOL
Input Leakage Current
Iin
-
Units
V
V
V
V
V
V
µA
MS0200-J-02
typ
-
max
30%VD
0.8
0.5
±10
2006/01
-7-
ASAHI KASEI
[AK5381]
(fs=4kHz ∼ 48kHz)
(Ta=Tmin ∼ Tmax; VA=4.5 ∼ 5.5V; VD=2.7 ∼ 5.5V; CL=20pF)
Parameter
Symbol
min
Master Clock Timing
Frequency
fCLK
1.024
tCLKL
0.4/fCLK
Pulse Width Low
Pulse Width High
tCLKH
0.4/fCLK
LRCK Frequency
Duty Cycle
fs
Slave mode
Master mode
tSCK
tSCKL
tSCKH
tLRSH
tSHLR
tLRS
tSSD
fSCK
dSCK
tMSLR
tSSD
Reset Timing
PDN Pulse Width
(Note 10)
PDN “↑” to SDTO valid at Slave Mode (Note 11)
PDN “↑” to SDTO valid at Master Mode (Note 11)
LRCK
PDN pin = “L”
4
45
max
Units
36.864
MHz
ns
ns
48
55
kHz
%
%
50
Audio Interface Timing
Slave mode
SCLK Period
SCLK Pulse Width Low
Pulse Width High
LRCK Edge to SCLK “↑”
(Note 9)
SCLK “↑” to LRCK Edge
(Note 9)
LRCK to SDTO (MSB) (Except I2S mode)
SCLK “↓” to SDTO
Master mode
SCLK Frequency
SCLK Duty
SCLK “↓” to LRCK
SCLK “↓” to SDTO
Note 9.
Note 10. AK5381
Note 11. PDN
typ
SCLK
LRCK
tPD
tPDV
tPDV
160
65
65
30
30
35
35
ns
ns
ns
ns
ns
ns
ns
20
35
Hz
%
ns
ns
64fs
50
−20
150
4132
4129
ns
1/fs
1/fs
“↑”
“↑”
MS0200-J-02
2006/01
-8-
ASAHI KASEI
[AK5381]
(fs=48kHz ∼ 96kHz)
(Ta=Tmin ∼ Tmax; VA=4.5 ∼ 5.5V; VD=3.0 ∼ 5.5V; CL=20pF; CMOS Level Mode
Parameter
Symbol
min
Master Clock Timing
Frequency
fCLK
12.288
Pulse Width Low
tCLKL
0.4/fCLK
Pulse Width High
tCLKH
0.4/fCLK
LRCK Frequency
Duty Cycle
fs
Slave mode
Master mode
tSCK
tSCKL
tSCKH
tLRSH
tSHLR
tLRS
tSSD
fSCK
dSCK
tMSLR
tSSD
Reset Timing
PDN Pulse Width
(Note 10)
PDN “↑” to SDTO valid at Slave Mode (Note 11)
PDN “↑” to SDTO valid at Master Mode (Note 11)
LRCK
PDN pin = “L”
48
45
max
Units
36.864
MHz
ns
ns
96
55
kHz
%
%
50
Audio Interface Timing
Slave mode
SCLK Period
SCLK Pulse Width Low
Pulse Width High
LRCK Edge to SCLK “↑”
(Note 9)
SCLK “↑” to LRCK Edge
(Note 9)
LRCK to SDTO (MSB) (Except I2S mode)
SCLK “↓” to SDTO
Master mode
SCLK Frequency
SCLK Duty
SCLK “↓” to LRCK
SCLK “↓” to SDTO
Note 9.
Note 10. AK5381
Note 11. PDN
)
typ
SCLK
LRCK
tPD
tPDV
tPDV
160
65
65
30
30
35
35
ns
ns
ns
ns
ns
ns
ns
20
35
Hz
%
ns
ns
64fs
50
−20
150
4132
4129
ns
1/fs
1/fs
“↑”
“↑”
MS0200-J-02
2006/01
-9-
ASAHI KASEI
[AK5381]
„
1/fCLK
VIH
MCLK
VIL
tCLKH
tCLKL
1/fs
VIH
LRCK
VIL
tSCK
VIH
SCLK
VIL
tSCKH
tSCKL
Clock Timing
VIH
LRCK
VIL
tSHLR
tLRSH
VIH
SCLK
VIL
tLRS
tSSD
SDTO
50%VD
Audio Interface Timing (Slave mode)
MS0200-J-02
2006/01
- 10 -
ASAHI KASEI
[AK5381]
LRCK
50%VD
tMSLR
dSCK
SCLK
50%VD
tSSD
SDTO
50%VD
Audio Interface Timing (Master mode)
VIH
PDN
VIL
tPDV
SDTO
50%VD
tPD
PDN
VIL
Power Down & Reset Timing
MS0200-J-02
2006/01
- 11 -
ASAHI KASEI
[AK5381]
„
AK5381
(CMOS or TTL)
MCLK, SCLK, LRCK
Table 1
CKS2-0
(Table 2) MCLK
/
MCLK
LRCK
(PDN pin = “H”)
(MCLK, SCLK, LRCK)
SCLK
AK5381
HPF ON/OFF
(PDN pin = “L”)
(MCLK)
fs
32kHz
44.1kHz
48kHz
96kHz
MCLK
256fs
384fs
512fs
8.192MHz
12.288MHz
16.384MHz
11.2896MHz
16.9344MHz
22.5792MHz
12.288MHz
18.432MHz
24.576MHz
24.576MHz
36.864MHz
N/A
Table 1. System Clock Example
CKS2
CKS1
CKS0
Input Level
L
L
L
CMOS
L
L
H
CMOS
L
L
H
H
L
H
CMOS
CMOS
H
L
L
TTL*
H
H
H
L
H
H
H
L
H
CMOS
CMOS
Note: SCLK = 32fs
Note: 2
TTL
SDTO
HPF
768fs
24.576MHz
33.8688MHz
36.864MHz
N/A
Master/Slave
MCLK
256/384fs (∼ 96kHz)
ON
Slave
512/768fs (∼ 48kHz)
256/384fs (∼ 96kHz)
OFF
Slave
512/768fs (∼ 48kHz)
ON
Master
256fs (∼ 96kHz)
ON
Master
512fs (∼ 48kHz)
256fs/384/512/768fs
ON
Slave
(∼ 48kHz)
Reserved
ON
Master
384fs (∼ 96kHz)
ON
Master
768fs (∼ 48kHz)
Table 2. Mode Select
SCLK
≥ 48fs or 32fs
≥ 48fs or 32fs
64fs
64fs
≥ 48fs or 32fs
64fs
64fs
16bit
„
2
DIF
(Table 3)
SDTO SCLK
MSB
LRCK
Mode
0
1
DIF pin
L
H
LRCK
SCLK
SCLK
SDTO
LRCK
SCLK
24bit, MSB justified
H/L
≥ 48fs or 32fs
24bit, I2S Compatible
L/H
≥ 48fs or 32fs
Table 3. Audio Interface Format
MS0200-J-02
2’s
fs
64fs
Figure
Figure 1
Figure 2
2006/01
- 12 -
ASAHI KASEI
[AK5381]
LRCK
0 1 2
20 21 22 23 24
31 0 1 2
20 21 22 23 24
31 0 1
SCLK(64fs)
SDTO(o)
23 22
4 3 2 1 0
23 22
4 3 2 1 0
23
23:MSB, 0:LSB
Lch Data
Rch Data
Figure 1. Mode 0 Timing
LRCK
0 1 2 3
21 22 23 24 25
0 1 2
21 22 23 24 25
0 1
SCLK(64fs)
23 22
SDTO(o)
4 3 2 1 0
23 22
4 3 2 1 0
23:MSB, 0:LSB
Lch Data
Rch Data
Figure 2. Mode 1 Timing
„
HPF
ADC DC
HPF
HPF
fc
fs=48kHz
1.0Hz
fs
CKS2-0
HPF ON/OFF
(Table 2)
HPF ON/OFF
DC
(PDN pin = “L”)
MS0200-J-02
2006/01
- 13 -
ASAHI KASEI
[AK5381]
„
AK5381
PDN
“L”
VCOM
AGND
SDTO
4132 x LRCK
ADC
4129 x LRCK
2’s
(
0
ADC
)
(1)
PDN
Internal
State
Normal Operation
Power-down
Initialize
Normal Operation
GD (2)
GD
A/D In
(Analog)
A/D Out
(Digital)
Clock In
“0”data
Idle Noise
(4)
MCLK,LRCK,SCLK
Notes:
(1)
(2)
(3)
(4)
(3)
“0”data
Idle Noise
4132/fs
4129/fs
(GD)
ADC
“0”
(MCLK, SCLK, LRCK)
Figure 3.
/
„
PDN
“L”
MCLK
PDN
LRCK
)
(
“H”
Mode 1
LRCK
PDN
“H”
MCLK
MS0200-J-02
2006/01
- 14 -
ASAHI KASEI
[AK5381]
Figure 4
(AKD5381)
Rch In
10u
+
Lch In
+
1 AINR
CKS0 16
2 AINL
CKS2 15
10u
3 CKS1
2.2u 0.1u
4 VCOM
+
5 AGND
Analog 5V
+
10u
0.1u
+
10u
0.1u
Mode
Control
DIF 14
AK5381
PDN 13
Reset
SCLK 12
6 VA
MCLK 11
7 VD
LRCK 10
8 DGND
SDTO 9
Audio
Controller
Analog Ground
:
- AK5381
- CKS1
System Ground
AGND, DGND
VA
AGND
Figure 4. Typical Connection Diagram
Digital Ground
Analog Ground
System
Controller
1
AINR
CKS0 16
2
AINL
CKS2 15
3
CKS1
DIF 14
4
VCOM
PDN 13
5
AGND
SCLK 12
6
VA
MCLK 11
7
VD
LRCK 10
8
DGND
SDTO
AK5381
9
Figure 5. Ground Layout
:
- AGND
DGND
MS0200-J-02
2006/01
- 15 -
ASAHI KASEI
[AK5381]
1.
VA
VD
VA VD
DGND
PC
AGND
2.
VA
VCOM
50%VA
2.2µF
0.1µF
AGND
VCOM
VCOM, VA
3.
ADC
0.6 x VA Vpp(typ.)
2’s
15kΩ(typ.)
VCOM
AK5381 AGND
VA
DC
(ADC
DC
)
HPF
AK5381
64fs
64fs
AK5381 64fs
(RC
)
MS0200-J-02
2006/01
- 16 -
ASAHI KASEI
[AK5381]
16pin TSSOP (Unit: mm)
*5.0±0.1
9
A
8
1
0.13 M
6.4±0.2
*4.4±0.1
16
1.05±0.05
0.22±0.1
0.17±0.05
0.65
Detail A
0.5±0.2
0.1±0.1
Seating Plane
0.10
NOTE: Dimension "*" does not include mold flash.
0-10°
„ Material & Lead finish
Package molding compound:
Lead frame material:
Lead frame surface treatment:
Epoxy
Cu
Solder (Pb free) plate
MS0200-J-02
2006/01
- 17 -
ASAHI KASEI
[AK5381]
AKM
5381VT
XXYYY
1)
2)
3)
Pin #1 indication
Date Code : XXYYY (5 digits)
XX:
Lot#
YYY: Date Code
Marketing Code : 5381VT
MS0200-J-02
2006/01
- 18 -
ASAHI KASEI
[AK5381]
(AK5381ET)
AKM
5381ET
XXYYY
4)
5)
6)
Pin #1 indication
Date Code : XXYYY (5 digits)
XX:
Lot#
YYY: Date Code
Marketing Code : 5381ET
MS0200-J-02
2006/01
- 19 -
ASAHI KASEI
[AK5381]
Revision History
Date (YY/MM/DD)
03/01/24
04/04/19
Revision
00
01
Reason
Page
Contents
P.4
Analog Input Voltage (AINL, AINR pins)
→ Analog Input Voltage (AINL, AINR, CKS1 pins)
Digital Input Voltage (All digital input pins)
→ Digital Input Voltage (All digital input pins except
CKS1 pin)
06/01/11
02
P.2
AK5381ET
P.19
AK5381ET
•
•
•
•
•
•
MS0200-J-02
2006/01
- 20 -