データシート

ASAHI KASEI
[AK5384]
AK5384
107dB 24-Bit 96kHz 4-Channel ADC
AK5384
4
8kHz ∼ 96kHz
A/D
AK5384
AK5384
∆Σ
TDM
o 4-Channel ∆Σ ADC
o On-Chip Digital Anti-Alias Filtering
o Differential Inputs
o Digital HPF for DC-Offset Cancel
o S/(N+D): 100dB@5V for 48kHz
o DR:
107dB@5V for 48kHz
o S/N:
107dB@5V for 48kHz
o Sampling Rate Ranging from 8kHz to 96kHz
o Master Clock:
256fs/384fs/512fs/768fs (∼ 48kHz)
256fs/384fs (∼ 96kHz)
o TTL Digital Input Level
o Output format: 24bit MSB justified, I2S or TDM
o Cascade TDM Interface
o Master & Slave Mode
o Overflow Flag
o Power Supply: 4.75 to 5.25V
o Power Supply for output buffer: 3.0 to 5.25V
o Ta = −40 ∼ 85°C
o 28pin VSOP
AVDD
LIN1+
LIN1RIN1+
RIN1LIN2+
LIN2-
AVSS
DVDD
DVSS
TVDD
∆Σ
Modulator
Decimation
Filter
∆Σ
Modulator
Decimation
Filter
∆Σ
Modulator
Decimation
Filter
LRCK
BICK
SDTO1
SDTO2
Audio
Interface
TDMIN
M/S
DIF
RIN2+
RIN2-
∆Σ
Modulator
VCOM
Voltage Reference
OVF
Decimation
Filter
TDM0
TDM1
Clock Divider
PDN
MCLK
CKS
MS0225-J-00
2003/05
-1-
ASAHI KASEI
[AK5384]
n
−40 ∼ +85°C
AK5384
AK5384VF
AKD5384
28pin VSOP (0.65mm pitch)
n
LIN2+
1
28
LIN1+
LIN2-
2
27
LIN1-
RIN2+
3
26
RIN1+
RIN2-
4
25
RIN1-
TEST
5
24
M/S
VCOM
6
23
CKS
AVSS
7
22
PDN
AVDD
8
21
DVSS
DIF
9
20
DVDD
TDM1
10
19
TVDD
TDM0
11
18
SDTO1
TDMIN
12
17
SDTO2
MCLK
13
16
BICK
OVF
14
15
LRCK
Top View
MS0225-J-00
2003/05
-2-
ASAHI KASEI
No.
1
2
3
4
5
Pin Name
LIN2+
LIN2−
RIN2+
RIN2−
TEST
[AK5384]
I/O
I
I
I
I
I
6
VCOM
O
7
8
AVSS
AVDD
-
9
DIF
I
10
TDM1
I
11
TDM0
I
12
13
TDMIN
MCLK
I
I
14
OVF
O
15
LRCK
I/O
16
BICK
I/O
17
SDTO2
O
18
SDTO1
O
19
20
21
TVDD
DVDD
DVSS
-
22
PDN
I
23
CKS
I
24
M/S
I
25
26
27
28
RIN1−
RIN1+
LIN1−
LIN1+
I
I
I
I
Function
ADC2 Lch Positive Analog Input Pin
ADC2 Lch Negative Analog Input Pin
ADC2 Rch Positive Analog Input Pin
ADC2 Rch Negative Analog Input Pin
Test Pin
(Connected to AVSS)
Common Voltage Output Pin, AVDD/2
Normally connected to AVSS with a 0.1µF ceramic capacitor in parallel with an
electrolytic capacitor less than 2.2µF.
Analog Ground Pin
Analog Power Supply Pin, 4.75 ∼ 5.25V
Audio Interface Format Pin
“L” : 24bit MSB justified, “H” : 24bit I2S Compatible
TDM I/F BICK Frequency Select Pin
“L” : 256fs, “H” : 128fs
TDM I/F Format Enable Pin
“L” : Normal Mode, “H” : TDM Mode
TDM Data Input Pin
Master Clock Input Pin
Analog Input Overflow Detect Pin
This pin goes to “H” if one of four analog inputs overflows.
Output Channel Clock Pin
“L” Output in Master Mode at Power-down mode.
Audio Serial Data Clock Pin
“L” Output in Master Mode at Power-down mode.
ADC2 Audio Serial Data Output Pin
“L” Output at Power-down mode.
ADC1 Audio Serial Data Output Pin
“L” Output at Power-down mode.
Output Buffer Power Supply Pin, 3.0 ∼ 5.25V
Digital Power Supply Pin, 4.75 ∼ 5.25V
Digital Ground Pin
Power-Down Mode Pin
When “L”, the circuit is in power-down mode.
The AK5384 should always be reset upon power-up.
Master Clock Select Pin
“L” : 256fs, “H” : 512fs
This pin is enabled in Master Mode.
Master / Slave Mode Pin
“L” : Slave Mode, “H” : Master Mode
ADC1 Rch Negative Analog Input Pin
ADC1 Rch Positive Analog Input Pin
ADC1 Lch Negative Analog Input Pin
ADC1 Lch Positive Analog Input Pin
Note: All digital input pins should not be left floating.
MS0225-J-00
2003/05
-3-
ASAHI KASEI
[AK5384]
(AVSS, DVSS=0V; Note 1)
Parameter
Power Supplies:
Analog
Digital
Output buffer
|AVSS – DVSS|
(Note 2)
Input Current, Any Pin Except Supplies
Analog Input Voltage
Digital Input Voltage
(Except BICK, LRCK pins)
(BICK, LRCK pins)
Ambient Temperature (Powered applied)
Storage Temperature
Note 1.
Note 2. AVSS
Symbol
AVDD
DVDD
TVDD
∆GND
IIN
VINA
min
−0.3
−0.3
−0.3
−0.3
max
6.0
6.0
6.0
0.3
±10
AVDD+0.3
Units
V
V
V
V
mA
V
VIND1
VIND2
Ta
Tstg
−0.3
−0.3
−40
−65
DVDD+0.3
TVDD+0.3
85
150
V
V
°C
°C
DVSS
:
(AVSS, DVSS=0V; Note 1)
Parameter
Power Supplies
(Note 3)
Analog
Digital
Output buffer
Symbol
AVDD
DVDD
TVDD
min
4.75
4.75
3.0
typ
5.0
5.0
5.0
max
5.25
5.25
5.25
Units
V
V
V
Note 1.
Note 3. AVDD, DVDD, TVDD
:
MS0225-J-00
2003/05
-4-
ASAHI KASEI
[AK5384]
(Ta=25°C; AVDD=DVDD=TVDD=5.0V; AVSS=DVSS=0V; fs=48kHz, 96kHz; I/F format=Mode 0;
Signal Frequency=1kHz; Measurement frequency=20Hz ∼ 20kHz at fs=48kHz, 40Hz ∼ 40kHz at fs=96kHz;
unless otherwise specified)
Parameter
min
typ
max
ADC Analog Input Characteristics:
Resolution
24
S/(N+D)
(−1dBFS)
fs=48kHz
88
100
fs=96kHz
82
94
DR
(−60dBFS)
fs=48kHz, A-weighted
100
107
fs=96kHz
94
102
S/N
fs=48kHz, A-weighted
100
107
fs=96kHz
94
102
Interchannel Isolation
90
110
DC Accuracy:
Interchannel Gain Mismatch
0.1
0.5
Gain Drift
100
150
Input Voltage
(Note 4)
±2.7
±2.9
±3.1
Input Resistance
fs=48kHz
18
26
fs=96kHz
11
16
Power Supply Rejection
(Note 5)
50
-
Units
Bits
dB
dB
dB
dB
dB
dB
dB
dB
ppm/°C
Vpp
kΩ
kΩ
dB
Power Supplies
Power Supply Current (AVDD+DVDD+TVDD)
Normal Operation (PDN pin = “H”, fs=48kHz)
Normal Operation (PDN pin = “H”, fs=96kHz)
Power-down mode (PDN pin = “L”)
(Note 6)
(Note 6)
(Note 7)
43
55
10
65
83
100
mA
mA
µA
Note 4.
(0dB) AVDD
Vin = 0.58 × AVDD (Vpp)
Note 5. AVDD, DVDD 1kHz, 50mVpp
Note 6. AVDD=28mA; DVDD=15mA@48kHz&5V, DVDD=26mA@96kHz&5V(typ)
Note 7.
DVDD
DVSS
MS0225-J-00
2003/05
-5-
ASAHI KASEI
[AK5384]
(fs=48kHz)
(Ta=25°C; AVDD, DVDD=4.75 ∼ 5.25V; TVDD=3.0 ∼ 5.25V; fs=48kHz)
Parameter
Symbol
min
ADC Digital Filter (Decimation LPF):
Passband
(Note 8) −0.005dB
PB
0
−0.02dB
−0.06dB
−6.0dB
Stopband
(Note 8)
SB
26.5
Passband Ripple
PR
Stopband Attenuation
SA
80
Group Delay
(Note 9)
GD
Group Delay Distortion
∆GD
ADC Digital Filter (HPF):
Frequency Response (Note 8) −3dB
FR
−0.5dB
−0.1dB
typ
max
Units
21.768
22.0
24.0
21.5
-
27.6
0
kHz
kHz
kHz
kHz
kHz
dB
dB
1/fs
µs
1.0
2.9
6.5
Hz
Hz
Hz
±0.005
(fs=96kHz)
(Ta=25°C; AVDD, DVDD=4.75 ∼ 5.25V; TVDD=3.0 ∼ 5.25V; fs=96kHz)
Parameter
Symbol
min
ADC Digital Filter (Decimation LPF):
Passband
(Note 8) −0.005dB
PB
0
−0.02dB
−0.06dB
−6.0dB
Stopband
(Note 8)
SB
53.0
Passband Ripple
PR
Stopband Attenuation
SA
80
Group Delay
(Note 9)
GD
Group Delay Distortion
∆GD
ADC Digital Filter (HPF):
Frequency Response (Note 8) −3dB
FR
−0.5dB
−0.1dB
Note 8.
Note 9.
fs (
24
typ
max
Units
43.536
44.0
48.0
43.0
-
27.6
0
kHz
kHz
kHz
kHz
kHz
dB
dB
1/fs
µs
2.0
5.8
13.0
Hz
Hz
Hz
±0.005
)
ADC
DC
(Ta=25°C; AVDD, DVDD=4.75 ∼ 5.25V; TVDD=3.0 ∼ 5.25V)
Parameter
Symbol
High-Level Input Voltage (TVDD=3.0 ∼ 3.6V)
VIH
Low-Level Input Voltage (TVDD=3.0 ∼ 3.6V)
VIL
High-Level Input Voltage (TVDD=3.6 ∼ 5.25V)
VIH
Low-Level Input Voltage (TVDD=3.6 ∼ 5.25V)
VIL
High-Level Output Voltage
(Iout=−100µA)
VOH
Low-Level Output Voltage
(Iout=100µA)
VOL
Input Leakage Current
Iin
MS0225-J-00
min
2.2
2.7
TVDD-0.5
-
typ
-
max
0.8
0.5
0.5
±10
Units
V
V
V
V
V
V
µA
2003/05
-6-
ASAHI KASEI
[AK5384]
(Ta=25°C; AVDD, DVDD=4.75 ∼ 5.25V; TVDD=3.0 ∼ 5.25V; CL=20pF)
Parameter
Symbol
min
Master Clock Timing
Master Clock
256fs:
Pulse Width Low
Pulse Width High
384fs:
Pulse Width Low
Pulse Width High
512fs:
Pulse Width Low
Pulse Width High
768fs:
Pulse Width Low
Pulse Width High
LRCK Timing (Slave Mode)
Normal mode (TDM1=“L”, TDM0=“L”)
LRCK Frequency
Duty Cycle
TDM256 MODE (TDM1=“L”, TDM0=“H”)
LRCK Frequency
“H” time
“L” time
TDM128 MODE (TDM1=“H”, TDM0=“H”)
LRCK Frequency
“H” time
“L” time
LRCK Timing (Master Mode)
Normal mode (TDM1=“L”, TDM0=“L”)
LRCK Frequency
Duty Cycle
TDM256 MODE (TDM1=“L”, TDM0=“H”)
LRCK Frequency
“H” time
(Note 10)
TDM128 MODE (TDM1=“H”, TDM0=“H”)
LRCK Frequency
“H” time
(Note 10)
Note 10. I2S
typ
max
Units
12.288
24.576
18.432
36.864
24.576
24.576
36.864
36.864
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
2.048
16
16
3.072
11
11
4.096
16
16
6.144
11
11
fs
Duty
8
45
96
55
kHz
%
fs
tLRH
tLRL
8
1/256fs
1/256fs
48
kHz
ns
ns
fs
tLRH
tLRL
8
1/128fs
1/128fs
96
kHz
ns
ns
fs
Duty
8
96
kHz
%
fs
tLRH
8
48
kHz
ns
fs
tLRH
8
96
kHz
ns
50
1/8fs
1/4fs
“L” time
MS0225-J-00
2003/05
-7-
ASAHI KASEI
[AK5384]
Parameter
Audio Interface Timing (Slave mode)
Normal mode (TDM1=“L”, TDM0=“L”)
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “↑”
(Note 11)
BICK “↑” to LRCK Edge
(Note 11)
LRCK to SDTO1/2 (MSB) (Except I2S mode)
BICK “↓” to SDTO1/2
TDM256 mode (TDM1=“L”, TDM0=“H”)
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “↑”
(Note 11)
BICK “↑” to LRCK Edge
(Note 11)
BICK “↓” to SDTO1/2
TDM128 mode (TDM1=“H”, TDM0=“H”)
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “↑”
(Note 11)
BICK “↑” to LRCK Edge
(Note 11)
BICK “↓” to SDTO1
(Note 12)
Audio Interface Timing (Master mode)
Normal mode (TDM1=“L”, TDM0=“L”)
BICK Frequency
BICK Duty
BICK “↓” to LRCK
BICK “↓” to SDTO1/2
TDM256 mode (TDM1=“L”, TDM0=“H”)
BICK Frequency
BICK Duty
(Note 13)
BICK “↓” to LRCK
BICK “↓” to SDTO1/2
TDM128 mode (TDM1=“H”, TDM0=“H”)
BICK Frequency
BICK Duty
BICK “↓” to LRCK
BICK “↓” to SDTO1
(Note 12)
Power-Down & Reset Timing
PDN Pulse Width
(Note 14)
PDN “↑” to SDTO1/2 valid
(Note 15)
Note 11.
Note 12. SDTO2
Note 13.
Note 14. AK5384
Note 15. PDN
LRCK
“L”
MCLK=512fs
PDN pin = “L”
BICK
Symbol
min
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
160
65
65
30
30
tBCK
tBCKL
tBCKH
tLRB
tBLR
tBSD
81
32
32
20
20
tBCK
tBCKL
tBCKH
tLRB
tBLR
tBSD
81
32
32
20
20
fBCK
dBCK
tMBLR
tBSD
fBCK
dBCK
tMBLR
tBSD
fBCK
dBCK
tMBLR
tBSD
tPD
tPDV
typ
max
Units
35
35
ns
ns
ns
ns
ns
ns
ns
20
ns
ns
ns
ns
ns
ns
20
ns
ns
ns
ns
ns
ns
20
40
Hz
%
ns
ns
12
20
Hz
%
ns
ns
12
20
Hz
%
ns
ns
64fs
50
−20
−40
256fs
50
−12
−20
128fs
50
−12
−20
150
516
ns
1/fs
“↑”
MCLK=256fs/384fs
LRCK
“↑”
MS0225-J-00
2003/05
-8-
ASAHI KASEI
[AK5384]
n
1/fCLK
VIH
MCLK
VIL
tCLKH
tCLKL
1/fs
VIH
LRCK
VIL
tBCK
VIH
BICK
VIL
tBCKH
tBCKL
Clock Timing (TDM0 pin = “L”)
1/fCLK
VIH
MCLK
VIL
tCLKH
tCLKL
1/fs
VIH
LRCK
VIL
tLRH
tLRL
tBCK
VIH
BICK
VIL
tBCKH
tBCKL
Clock Timing (TDM0 pin = “H”)
MS0225-J-00
2003/05
-9-
ASAHI KASEI
[AK5384]
VIH
LRCK
VIL
tBLR
tLRB
VIH
BICK
VIL
tLRS
tBSD
SDTO
50%TVDD
Audio Interface Timing (Slave mode, TDM0 pin = “L”)
VIH
LRCK
VIL
tBLR
tLRB
VIH
BICK
VIL
tBSD
SDTO
50%TVDD
Audio Interface Timing (Slave mode, TDM0 pin = “H”)
Note: SDTO shows SDTO1 and SDTO2.
MS0225-J-00
2003/05
- 10 -
ASAHI KASEI
[AK5384]
LRCK
50%TVDD
tMBLR
dBCK
BICK
50%TVDD
tBSD
SDTO
50%TVDD
Audio Interface Timing (Master mode)
VIH
PDN
VIL
tPDV
SDTO
50%TVDD
tPD
PDN
VIL
Power Down & Reset Timing
Note: SDTO shows SDTO1 and SDTO2.
MS0225-J-00
2003/05
- 11 -
ASAHI KASEI
[AK5384]
n
(M/S pin = “L”)
AK5384
BICK(48fs∼), LRCK(1fs)
MCLK LRCK
AK5384
AK5384
AK5384
(Table 2)
MCLK(256fs/384fs/512fs/768fs),
Table 1
(M/S pin = “H”)
MCLK=384fs/768fs
MCLK
CKS
fs=96kHz
MCLK=512fs
(PDN pin = “H”)
(MCLK, BICK, LRCK)
(PDN pin = “L”)
(MCLK)
fs
32.0kHz
44.1kHz
48.0kHz
96.0kHz
MCLK
384fs
512fs
768fs
12.2880MHz 16.3840MHz
24.576MHz
16.9344MHz 22.5792MHz
33.8688MHz
18.4320MHz 24.5760MHz
36.8640MHz
36.8640MHz
N/A
N/A
Table 1. System clock example (Slave mode)
256fs
8.1920MHz
11.2896MHz
12.2880MHz
24.5760MHz
BICK
64fs
128fs
2.0480MHz 4.0960MHz
2.8224MHz 5.6448MHz
3.0720MHz 6.1440MHz
6.1440MHz
N/A
MCLK
8kHz ≤ fs ≤ 48kHz
48kHz < fs ≤ 96kHz
L
256fs
256fs
H
512fs
N/A
Table 2. Master clock frequency select (Master mode)
CKS
n
12
TDM1-0
DIF
SDTO1/2 BICK
Normal
TDM128
fs=48kHz
ADC(4
(I2S
“L”
)
)
LRCK “H”
TDM256
1/8fs(typ)
ADC(4
BICK 128fs
LRCK “H” (I2S
DIF
(Table 3)
MSB
Mode 0-1
BICK 64fs
TDM256
“H”
M/S
)
“L”
)
“L”
BICK
2’s
128fs
SDTO1/2
1/256fs(min)
fs=96kHz
SDTO1
LRCK “H”
1/4fs(typ)
TDM128
MS0225-J-00
Mode 2-3
BICK 256fs
LRCK
“L”
SDTO2
1/128fs(min)
fs=96kHz
“L”
2003/05
- 12 -
ASAHI KASEI
[AK5384]
Mode
0
1
2
3
4
5
6
7
8
9
10
11
12
TDM1
TDM0
M/S
DIF
LRCK
I/O
H/L
I
L/H
I
H/L
O
L/H
O
I
↑
I
↓
O
↑
O
↓
I
↑
I
↓
O
↑
O
↓
N/A
N/A
SDTO
L
24bit, MSB justified
H
24bit, I2S Compatible
L
24bit, MSB justified
H
H
24bit, I2S Compatible
L
24bit, MSB justified
L
H
24bit, I2S Compatible
L
24bit, MSB justified
H
H
24bit, I2S Compatible
L
24bit, MSB justified
L
H
24bit, I2S Compatible
L
24bit, MSB justified
H
H
24bit, I2S Compatible
N/A
N/A
N/A
Table 3. Audio Interface Formats
L
Normal
L
L
TDM256
L
H
TDM128
H
H
N/A
H
L
BICK
I/O
I
I
O
O
I
I
O
O
I
I
O
O
N/A
48-128fs
48-128fs
64fs
64fs
256fs
256fs
256fs
256fs
128fs
128fs
128fs
128fs
N/A
LRCK
0
1
2
12
13
14
24
25
31
0
1
2
12
13
14
24
25
31
0
1
BICK(64fs)
SDTO1/2(o)
23 22
12 11 10
23:MSB, 0:LSB
0
23 22
12
11 10
Lch Data
0
23
Rch Data
Figure 1. Mode 0, 2 Timing (Normal mode, MSB justified)
LRCK
0
1
2
3
23
24
25
26
29
30
31
0
1
2
3
23
24
25
26
29
30
31
0
1
BICK(64fs)
SDTO1/2(o)
23 22
2
1
23:MSB, 0:LSB
0
23 22
Lch Data
2
1
0
Rch Data
Figure 2. Mode 1, 3 Timing (Normal mode, I2S Compatible)
256 BICK
LRCK (Mode 6)
LRCK (Mode 4)
BICK (256fs)
SDTO1
23 22
0
23 22
0
23 22
0
23 22
0
L1
R1
L2
R2
32 BICK
32 BICK
32 BICK
32 BICK
23 22
Figure 3. Mode 4, 6 Timing (TDM256 mode, MSB justified)
MS0225-J-00
2003/05
- 13 -
ASAHI KASEI
[AK5384]
256 BICK
LRCK (Mode 7)
LRCK (Mode5)
BICK (256fs)
SDTO1
23
0
23
0
23
0
23
0
L1
R1
L2
R2
32 BICK
32 BICK
32 BICK
32 BICK
23
Figure 4. Mode 5, 7 Timing (TDM256 mode, I2S Compatible)
128 BICK
LRCK (Mode 10)
LRCK (Mode 8)
BICK (128fs)
SDTO1
23 22
0
23 22
0
23 22
0
23 22
0
L1
R1
L2
R2
32 BICK
32 BICK
32 BICK
32 BICK
23 22
Figure 5. Mode 8, 10 Timing (TDM128 mode, MSB justified)
128 BICK
LRCK (Mode 11)
LRCK (Mode 9)
BICK (128fs)
SDTO1
23 22
0
23 22
0
23 22
0
23 22
0
L1
R1
L2
R2
32 BICK
32 BICK
32 BICK
32 BICK
23
2
Figure 6. Mode 9, 11 Timing (TDM128 mode, I S Compatible)
n
M/S
AK5384 MCLK
MCLK, BICK, LRCK
AK5384
AK5384
M/S pin
L
H
“H”
“L”
BICK, LRCK
Mode
BICK, LRCK
BICK = Input
Slave Mode
LRCK = Input
BICK = Output
Master Mode
LRCK = Output
Table 4. Master mode/Slave mode
MS0225-J-00
2003/05
- 14 -
ASAHI KASEI
n
[AK5384]
HPF
ADC
DC
HPF
HPF
fc
fs=48kHz
1.0Hz
fs
n
AK5384
“H”)
4
1
(−0.3dBFS
) OVF
“H”
ADC
(GD = 27.6/fs = 575µs@fs=48kHz)
516/fs(=10.75ms@fs=48kHz)
OVF
“L”
OVF
(PDN pin = “L” →
n
AK5384
PDN
“L”
VCOM
AVSS
SDTO1/2
“0”
516 × LRCK
ADC
2’s
ADC
)
(
516/fs(10.75ms@fs=48kHz)
PDN
Internal
State
Normal Operation
Power-down
Initialize
Normal Operation
GD (1)
GD
A/D In
(Analog)
A/D Out
(Digital)
Clock In
“0”data
Idle Noise
(3)
MCLK,LRCK,BICK
Notes:
(1)
(2)
(3)
(2)
“0”data
Idle Noise
(GD)
ADC
“0”
(MCLK, BICK, LRCK)
Figure 7. Power-down/up sequence example
n
PDN
MCLK
“L”
PDN
LRCK
(
“H”
I2S
)
MS0225-J-00
2003/05
- 15 -
ASAHI KASEI
[AK5384]
n TDM
AK5384
#1
4
TDM256
#1 SDTO2
TDM
Figure 8
2
#2 TDMIN
#2 4
AK5384 #1
#2
8
TDM
SDTO1
TDM
MCLK
256fs or 512fs
LRCK
48kHz
BICK
256fs
TDMIN
GND
SDTO1
SDTO2
MCLK
AK5384 #2
LRCK
BICK
TDMIN
8ch TDM
SDTO1
SDTO2
Figure 8. Cascade TDM Connection Diagram
256 BICK
LRCK
BICK(256fs)
#1 SDTO1(o)
#1 SDTO2(o)
#2 TDMIN(i)
#2 SDTO1(o)
23 22
0
23 22
0
23 22
0
23 22
0
L1
R1
L2
R2
32 BICK
32 BICK
32 BICK
32 BICK
23 22
0
23 22
0
23 22
0
23 22
0
L1
R1
L2
R2
32 BICK
32 BICK
32 BICK
32 BICK
23 22
0
23 22
0
23 22
0
23 22
0
L1
R1
L2
R2
32 BICK
32 BICK
32 BICK
32 BICK
23 22
0
23 22
0
23 22
0
23 22
23 22
0
23 22
0
23 22
0
23 22
0
23 22
0
L1
R1
L2
R2
L1-#1
R1-#1
L2-#1
R2-#1
32 BICK
32 BICK
32 BICK
32 BICK
32 BICK
32 BICK
32 BICK
32 BICK
23 22
Figure 9. Cascade TDM Timing
MS0225-J-00
2003/05
- 16 -
ASAHI KASEI
[AK5384]
Figure 10
(AKD5384)
1 LIN2+
LIN1+ 28
2 LIN2-
LIN1- 27
3 RIN2+
RIN1+ 26
4 RIN2-
RIN1- 25
5 TEST
M/S 24
6 VCOM
CKS 23
0.1µ
2.2µ
0.1µ
7 AVSS
Analog Supply
4.75 ~ 5.25V
10µ
AK5384
PDN 22
Reset
0.1µ
8 AVDD
DVSS 21
9 DIF
DVDD 20
10 TDM1
TVDD 19
11 TDM0
SDTO1 18
12 TDMIN
SDTO2 17
10µ
13 MCLK
0.1µ
Digital Supply
4.75 ~ 5.25V
Digital Supply
3.0 ~ 5.25V
BICK 16
DSP and uP
14 OVF
:
- AK5384
-
LRCK 15
AVSS, DVSS
Figure 10. Typical Connection Diagram (Normal mode)
MS0225-J-00
2003/05
- 17 -
ASAHI KASEI
[AK5384]
1.
AVDD, DVDD
AVDD, DVDD
AVSS, DVSS
PC
2.
AVDD
AVSS
VCOM
2.2µF
0.1µF
AVSS
VCOM
VCOM
3.
AK5384
AVSS−0.3V
+5V
10mA
(LIN+/−, RIN+/−)
AVDD+0.3V
IC
±15V
LIN(RIN)+
AVDD
26kΩ (typ) VCOM(AVDD/2)
AVDD
(±0.58 × AVDD)
LIN(RIN)−
2’s
DC
(ADC
AK5384
DC
AVSS
)
HPF
AK5384
64fs
64fs
MS0225-J-00
2003/05
- 18 -
ASAHI KASEI
[AK5384]
4.
Figure 11
5.7Vpp (AK5384: typ. ±2.9Vpp)
1
5.1kΩ
4.7kΩ
Analog In
5.7Vpp
VP+
4.7kΩ
22µ
10kΩ
2.9Vpp
AIN+
VA
10k
330Ω
Bias
VPNJM5532
NJM5532
0.1µ 10µ
330Ω
AIN-
VA = +5V
VP+ = +15V
VP- = -15V
Bias
10k
AK5384
1.5n
Bias
2.9Vpp
Figure 11. Input buffer circuit example 1 (DC coupled single-end input)
Figure 12
5.7Vpp (AK5384: typ. ±2.9Vpp)
2
5.1kΩ
4.7kΩ
Analog In
5.7Vpp
VP+
4.7kΩ
22µ
10kΩ
330Ω
2.9Vpp
AIN+
VP+ = +15V
VP- = -15V
10µ
VPNJM5532
NJM5532
1.5n
AK5384
330Ω
AIN2.9Vpp
10µ
Figure 12. Input buffer circuit example 2 (AC coupled single-end input)
Figure 13
3
2.9Vpp (AK5384: typ. 2.9Vpp)
Analog In
2.9Vpp
AIN+
10µ
330Ω
1.5n
Analog In
2.9Vpp
AK5384
AIN-
10µ
330Ω
Figure 13. Input buffer circuit example 3 (Differential input)
MS0225-J-00
2003/05
- 19 -
ASAHI KASEI
[AK5384]
28pin VSOP (Unit: mm )
*9.8±0.2
1.25±0.2
0.675
28
A
7.6±0.2
*5.6±0.2
15
14
1
0.65
0.22±0.1
+0.1
0.15-0.05
0.1±0.1
0.5±0.2
Detail A
Seating Plane
| 0.10
NOTE: Dimension "*" does not include mold flash.
0-10°
n Material & Lead finish
Package molding compound:
Lead frame material:
Lead frame surface treatment:
Epoxy
Cu
Solder (Pb free) plate
MS0225-J-00
2003/05
- 20 -
ASAHI KASEI
[AK5384]
AKM
AK5384VF
XXXBYYYYC
XXXBYYYYC
Date code identifier
XXXB : Lot number (X : Digit number, B : Alpha character)
YYYYC : Assembly date (Y : Digit number, C : Alpha character)
•
•
•
•
•
•
MS0225-J-00
2003/05
- 21 -