データシート

[AK5357]
AK5357
96kHz 24Bit ΔΣ ADC
AK5357
A/D
4kHz ∼ 96kHz
ΔΣ
AK5357
AK5357
I2S)
16pin TSSOP
(
AK5357
†
ΔΣ ADC
†
†
† DC
HPF
† S/(N+D): 88dB@5V, 86dB@3V(48kHz)
† DR:
102dB@5V, 100dB@3V(48kHz)
† S/N:
102dB@5V, 100dB@3V(48kHz)
†
: 4kHz ∼ 96kHz
†
:
256fs/384fs/512fs/768fs (4kHz ∼ 48kHz)
256fs/384fs
(48kHz ∼ 96kHz)
†
: TTL/CMOS
†
/
†
: 24bit
/I2S
†
: 2.7 ∼ 5.5V
† Ta = −20 ∼ 85°C (ET), −40 ∼ 85°C (VT),−40 ∼ 105°C (KT)
†
: 16pin TSSOP
† AK5381
VA AGND
VD DGND
MCLK
Clock Divider
AINL
AINR
VCOM
ΔΣ
Modulator
Decimation
Filter
ΔΣ
Modulator
Decimation
Filter
LRCK
SCLK
Serial I/O
Interface
Voltage Reference
CKS2 CKS1 CKS0
PDN
MS0294-J-03
SDTO
DIF
2009/03
-1-
[AK5357]
■
AK5357ET
AK5357VT
AK5357KT
−20 ∼ +85°C
−40 ∼ +85°C
−40 ∼ +105°C
AKD5357
AK5357
16pin TSSOP (0.65mm pitch)
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
■ AK5353/81
S/(N+D)
DR
Master Mode
HPF OFF
TTL Level Mode
VIH@TTL Level Mode
VA (Analog Supply)
VD (Digital Supply)
Pin #3
Pin #15
Pin #16
AK5353
84dB
96dB
Not Available
Not Available
4kHz to 96kHz
2.2V
2.7 to 5.5V@fs=48kHz
4.5 to 5.5V@fs=96kHz
4.5 to 5.5V@fs=96kHz
VREF
TTL
TST
AK5381
96dB
106dB
Available
Available
4kHz to 48kHz
2.4V
AK5357
88dB
102dB
Available
Available
4kHz to 96kHz
2.2V
4.5 to 5.5V@fs=48/96kHz
2.7 to 5.5V@fs=48/96kHz
3.0 to 5.5V@fs=96kHz
CKS1
CKS2
CKS0
2.7 to 5.5V@fs=96kHz
CKS1
CKS2
CKS0
MS0294-J-03
2009/03
-2-
[AK5357]
No.
Pin Name
I/O
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
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, 2.7 ∼ 5.5V
Digital Power Supply Pin, 2.7 ∼ 5.5V
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
Note: All digital input pins should not be left floating.
■
Analog
AINL
AINR
MS0294-J-03
2009/03
-3-
[AK5357]
(AGND=DGND=0V; Note 1)
Parameter
Analog
Power Supplies:
Digital
|AGND – DGND| (Note 1)
Input Current, Any Pin Except Supplies
Analog Input Voltage (AINL, AINR, CKS1 pins)
Digital Input Voltage (All digital input pins except CKS1 pin)
AK5357ET
Ambient Temperature (powered applied)
AK5357VT
AK5357KT
Storage Temperature
Symbol
VA
VD
ΔGND
IIN
VINA
VIND
Ta
Ta
Ta
Tstg
min
−0.3
−0.3
−0.3
−0.3
−20
−40
−40
−65
max
6.0
6.0
0.3
±10
VA+0.3
VD+0.3
85
85
105
150
Units
V
V
V
mA
V
V
°C
°C
°C
°C
Note 1.
Note 2. AGND, DGND
:
(AGND=DGND=0V; Note 1)
Parameter
Power Supplies Analog
(Note 3)
Digital
Symbol
VA
VD
min
2.7
2.7
typ
5.0
5.0
max
5.5
VA
Units
V
V
Note 1.
Note 3. VA VD
:
MS0294-J-03
2009/03
-4-
[AK5357]
(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
AK5357ET
2.7
3.0
3.3
Vpp
Input Voltage (Note 4) VA=5V fs=48kHz
AK5357VT
2.85
3.0
3.15
Vpp
fs=96kHz
2.7
3.0
3.3
VA=3V
1.8
Vpp
S/(N+D)
(−1dBFS) VA=5V fs=48kHz
78
88
dB
fs=96kHz
86
dB
VA=3V fs=48kHz
86
dB
fs=96kHz
84
dB
DR
(−60dBFS) VA=5V fs=48kHz, A-weighted
94
102
dB
fs=96kHz
88
97
dB
VA=3V fs=48kHz, A-weighted
100
dB
fs=96kHz
95
dB
VA=5V fs=48kHz, A-weighted
S/N
94
102
dB
fs=96kHz
88
97
dB
VA=3V fs=48kHz, A-weighted
100
dB
fs=96kHz
95
dB
Input Resistance
fs=48kHz
13
20
kΩ
fs=96kHz
9
14
kΩ
Interchannel Isolation
90
110
dB
Interchannel Gain Mismatch
0.1
0.5
dB
Gain Drift
100
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 1kHz, 50mVpp
Note 6. VD=2mA@3V
Note 7. VD=4mA@3V
Note 8.
(Note 6)
(Note 7)
(Note 8)
(0dB)
VD
VA
11
3
6
17
5
9
mA
mA
mA
10
100
μA
Vin = 0.6 x VA (Vpp)
DGND
MS0294-J-03
2009/03
-5-
[AK5357]
(fs=48kHz)
(Ta=Tmin ∼ Tmax; VA=VD=2.7 ∼ 5.5V)
Parameter
ADC Digital Filter (Decimation LPF):
Passband
(Note 9) ±0.1dB
−0.2dB
−3.0dB
Stopband
Passband Ripple
Stopband Attenuation
Group Delay Distortion
Group Delay
(Note 10)
ADC Digital Filter (HPF):
Frequency Response (Note 9) −3dB
−0.1dB
Symbol
min
typ
max
Units
PB
0
28
20.0
23.0
18.9
-
0
16
kHz
kHz
kHz
kHz
dB
dB
μs
1/fs
1.0
6.5
Hz
Hz
SB
PR
SA
ΔGD
GD
±0.04
68
FR
(fs=96kHz)
(Ta=Tmin ∼ Tmax; VA=VD=2.7 ∼ 5.5V)
Parameter
ADC Digital Filter (Decimation LPF):
Passband
(Note 9) ±0.1dB
−0.2dB
−3.0dB
Stopband
Passband Ripple
Stopband Attenuation
Group Delay Distortion
Group Delay
(Note 10)
ADC Digital Filter (HPF):
Frequency Response (Note 9) −3dB
−0.1dB
Note 9.
Symbol
min
typ
max
Units
PB
0
56
40.0
46.0
37.8
-
0
16
kHz
kHz
kHz
kHz
dB
dB
μs
1/fs
2.0
13.0
Hz
Hz
SB
PR
SA
ΔGD
GD
±0.04
68
FR
fs (
±0.1dB
)
18.9kHz 0.39375 × fs
Note 10.
24
ADC
MS0294-J-03
2009/03
-6-
[AK5357]
DC
(CMOS Level Mode)
(Ta=Tmin ∼ Tmax; VA=VD=2.7 ∼ 5.5V)
Parameter
Symbol
min
High-Level Input Voltage
VIH
70%VD
Low-Level Input Voltage
VIL
High-Level Output Voltage
(Iout=−1mA)
VOH
VD−0.5
Low-Level Output Voltage
(Iout=1mA)
VOL
Input Leakage Current
Iin
-
DC
(Ta=Tmin ∼ Tmax; VA=VD=4.5 ∼ 5.5V)
Parameter
High-Level Input Voltage
(CKS2-0 pins)
(All pins except CKS2-0 pins)
Low-Level Input Voltage
(CKS2-0 pins)
(All pins except CKS2-0 pins)
High-Level Output Voltage
(Iout=−1mA)
Low-Level Output Voltage
(Iout=1mA)
Input Leakage Current
typ
-
max
30%VD
0.5
±10
Units
V
V
V
V
μA
typ
-
max
30%VD
0.8
0.5
±10
Units
V
V
V
V
V
V
μA
(TTL Level Mode)
Symbol
VIH
VIH
VIL
VIL
VOH
VOL
Iin
MS0294-J-03
min
70%VD
2.2
VD−0.5
-
2009/03
-7-
[AK5357]
(Ta=Tmin ∼ Tmax; VA=VD=2.7 ∼ 5.5V; CL=20pF)
Parameter
Master Clock Timing
Frequency
Pulse Width Low
Pulse Width High
LRCK Frequency
Duty Cycle
Symbol
min
fCLK
tCLKL
tCLKH
fs
Slave mode
Master mode
typ
max
Units
1.024
0.4/fCLK
0.4/fCLK
36.864
MHz
ns
ns
4
45
96
55
kHz
%
%
50
Audio Interface Timing
Slave mode
SCLK Period
SCLK Pulse Width Low
Pulse Width High
LRCK Edge to SCLK “↑”
(Note 11)
SCLK “↑” to LRCK Edge
(Note 11)
LRCK to SDTO (MSB) (Except I2S mode)
SCLK “↓” to SDTO
Master mode
SCLK Frequency
SCLK Duty
SCLK “↓” to LRCK
SCLK “↓” to SDTO
fSCK
dSCK
tMSLR
tSSD
Reset Timing
PDN Pulse Width
(Note 12)
PDN “↑” to SDTO valid at Slave Mode (Note 13)
PDN “↑” to SDTO valid at Master Mode (Note 13)
tPD
tPDV
tPDV
Note 11.
LRCK
Note 12. AK5357 PDN pin = “L”
Note 13. PDN pin
“↑”
SCLK
LRCK
tSCK
tSCKL
tSCKH
tLRSH
tSHLR
tLRS
tSSD
35
35
ns
ns
ns
ns
ns
ns
ns
20
35
Hz
%
ns
ns
160
65
65
30
30
64fs
50
−20
−20
150
4132
4129
ns
1/fs
1/fs
“↑”
MS0294-J-03
2009/03
-8-
[AK5357]
■
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)
MS0294-J-03
2009/03
-9-
[AK5357]
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
MS0294-J-03
2009/03
- 10 -
[AK5357]
■
AK5357
MCLK, SCLK, LRCK
Table 1
CKS2-0 pin (Table 2) MCLK
/
(CMOS or TTL)
(PDN pin = “H”)
MCLK
LRCK
SCLK
AK5357
HPF ON/OFF
(MCLK, SCLK, LRCK)
(PDN pin = “L”)
(MCLK)
fs
32kHz
44.1kHz
48kHz
96kHz
MCLK
256fs
384fs
512fs
768fs
8.192MHz
12.288MHz
16.384MHz
24.576MHz
11.2896MHz
16.9344MHz
22.5792MHz
33.8688MHz
12.288MHz
18.432MHz
24.576MHz
36.864MHz
24.576MHz
36.864MHz
N/A
N/A
Table 1. System Clock Example (N/A: Not available)
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
SDTO
HPF
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)
256/384fs (∼ 96kHz)
ON
Slave
512/768fs (∼ 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 pin (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
MS0294-J-03
2’s
1fs 64fs
Figure
Figure 1
Figure 2
2009/03
- 11 -
[AK5357]
LRCK
0 1 2
31 0 1 2
20 21 22 23 24
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
0 1 2
21 22 23 24 25
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 pin
HPF ON/OFF
(Table 2)
HPF ON/OFF
DC
(PDN pin = “L”)
MS0294-J-03
2009/03
- 12 -
[AK5357]
■
AK5357 PDN pin “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 pin
“L”
MCLK
PDN pin
LRCK
)
(
“H”
Mode 1
LRCK
PDN pin
“H”
MCLK
MS0294-J-03
2009/03
- 13 -
[AK5357]
Figure 4
(AKD5357)
Rch In
10u
+
Lch In
+
10u
0.47u
1 AINR
CKS0 16
2 AINL
CKS2 15
3 CKS1
DIF 14
4 VCOM
PDN 13
5 AGND
Analog 5V
+
10u
0.1u
+
10u
0.1u
AK5357
Mode
Control
Reset
SCLK 12
6 VA
MCLK 11
7 VD
LRCK 10
8 DGND
SDTO 9
Audio
Controller
Analog Ground
System Ground
:
- AK5357 AGND, DGND
- CKS1 pin 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
AK5357
9
Figure 5. Ground Layout
:
- AGND pin DGND pin
MS0294-J-03
2009/03
- 14 -
[AK5357]
1.
VA VD
VA VD
DGND
PC
AGND
2.
VA pin
VCOM 50%VA
0.47μF
VCOM pin
VCOM, VA pin
AGND
3.
ADC
0.6 x VA Vpp (typ.)
2’s
)
20kΩ (typ@fs=48kHz)
VCOM
AK5357 AGND
VA
DC
(ADC
DC
HPF
AK5357 64fs
64fs
AK5357 64fs
(RC
)
MS0294-J-03
2009/03
- 15 -
[AK5357]
16pin TSSOP (Unit: mm)
1.1 (max)
*5.0±0.1
16
9
8
1
0.13
M
6.4±0.2
*4.4±0.1
A
0.65
0.22±0.1
0.17±0.05
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
MS0294-J-03
2009/03
- 16 -
[AK5357]
(AK5357ET)
AKM
5357ET
XXYYY
1)
2)
3)
Pin #1 indication
Date Code: XXYYY (5 digits)
XX:
Lot#
YYY: Date Code
Marketing Code: 5357ET
MS0294-J-03
2009/03
- 17 -
[AK5357]
(AK5357VT)
AKM
5357VT
XXYYY
4)
5)
6)
Pin #1 indication
Date Code: XXYYY (5 digits)
XX:
Lot#
YYY: Date Code
Marketing Code: 5357VT
MS0294-J-03
2009/03
- 18 -
[AK5357]
(AK5357KT)
AKM
5357KT
XXYYY
7)
8)
9)
Pin #1 indication
Date Code: XXYYY (5 digits)
XX:
Lot#
YYY: Date Code
Marketing Code: 5357KT
MS0294-J-03
2009/03
- 19 -
[AK5357]
Date (YY/MM/DD)
04/02/24
06/01/11
Revision
00
01
Reason
Page
Contents
P.2
AK5357ET
P.18
07/11/21
02
09/03/27
03
P.5
AK5357ET
AK5357VT
VA=5V, fs=48kHz
Input voltage
2.7V(min) → 2.85V(min)
3.3V(max) → 3.15V(max)
AK5357KT (-40 ∼ 105°C)
•
•
•
•
•
•
MS0294-J-03
2009/03
- 20 -