ASAHI KASEI
[AK4552]
MS0055-J-01
2001/02
- 1 -
AK4552
24bit 96kHz
A/D, D/A
(SCF)
S/N
AK4552
16pin TSSOP
o
DC-offset
HPF
(fc=3.4Hz@fs=44.1kHz)
o
ADC
- S/(N+D): 89dB@VA=3.0V
- Dynamic Range, S/N: 97dB@VA=3.0V
o
DAC
-
(32kHz, 44.1kHz, 48kHz
)
- S/(N+D): 88dB@VA=3.0V
- Dynamic Range, S/N: 100dB@VA=3.0V
o
I/F
: MSB First, 2's Compliment
- ADC: 24bit
, DAC: 24bit
o
: ADC = 1.85Vpp@VA=3.0V
DAC = 1.75Vpp@VA=3.0V
o
: 8kHz
50kHz (
)
50kHz
100kHz (2
, 2
)
100kHz
200kHz (4
)
o
: 256fs, 384fs, 512fs or 768fs@
256fs or 384fs@2
128fs or 192fs@2
64fs, 96fs, 128fs or 192fs@4
o
: 2.4
4.0V
o
: 14mA
o
Ta = -40
85
o
: 16pin TSSOP
Modulator
MCLK
VA
VSS
LOUT
LIN
LRCK
BCLK
VCOM
RIN
Modulator
Decimation
Filter
Serial I/O
Interface
Common Voltage
SDTO
Decimation
Filter
SDTI
PDN
DEM0
Clock
Divider
ROUT
8X
Interpolator
8X
Interpolator
Modulator
Modulator
LPF
LPF
DEM1
VD
3V 96kHz 24Bit
CODEC
AK4552
ASAHI KASEI
[AK4552]
MS0055-J-01
2001/02
- 4 -
( Ta=25
C; VA, VD=3.0V; VSS=0V; Signal Frequency=1kHz; BCLK=64fs; 24bit Data;
Measurement frequency=10Hz
20kHz at fs=44.1kHz, 20Hz
40kHz at fs=96kHz)
min
typ
max
Units
ADC
:
( 3)
24
Bits
S/(N+D) (-0.5dB Input)
fs=44.1kHz
fs=96kHz
80
80
89
89
dB
dB
D-Range (-60dB Input)
fs=44.1kHz, A-weighted
fs=96kHz
fs = 96kHz, A-weighted
90
87
-
97
94
100
dB
dB
dB
S/N
fs=44.1kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
90
87
-
97
94
100
dB
dB
dB
90
110
dB
0.2
0.5
dB
( 4)
1.65
1.85
2.05
Vpp
fs=44.1kHz
fs=96kHz
20
14
34
24
-
-
k
k
DAC
:
24
Bits
S/(N+D) (0dB Output)
fs=44.1kHz
fs=96kHz
78
75
88
85
dB
dB
D-Range (-60dB Output) fs=44.1kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
92
88
-
100
96
100
dB
dB
dB
S/N
fs=44.1kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
92
88
-
100
96
100
dB
dB
dB
90
110
dB
0.2
0.5
dB
( 4)
1.56
1.75
1.94
Vpp
10
k
30
pF
(VA+VD)
fs=44.1kHz
14
21
mA
Power up
PDN= "H"
fs=96kHz
18
27
mA
Power down ( 5)
PDN= "L"
10
100
A
3. ADCHPF
4. ADC, DACVA(ADC=0.617 x VA, DAC=0.583 x VA)
5. (MCLK, BCLK, LRCK)VDVSS
PDNVSS
ASAHI KASEI
[AK4552]
MS0055-J-01
2001/02
- 5 -
(Ta=25
C; VA, VD=2.4
4.0V; fs=44.1kHz; DEM0="1", DEM1="0")
Symbol
min
typ
max
Units
ADC
(LPF):
( 6)
0.1dB
-1.0dB
-3.0dB
PB
0
20.0
21.1
17.4
kHz
kHz
kHz
( 6)
SB
27.0
kHz
PR
0.1
dB
SA
65
dB
( 7)
GD
17.0
1/fs
GD
0
s
ADC
(HPF):
( 6)
-3dB
-0.5dB
-0.1dB
FR
3.4
10
22
Hz
Hz
Hz
DAC
:
( 6)
0.1dB
-6.0dB
PB
0
22.05
20.0
kHz
kHz
( 6)
SB
24.1
kHz
PR
0.06
dB
SA
43
dB
( 7)
GD
15.4
1/fs
GD
0
s
DAC
+
:
0
20.0kHz
0
40.0kHz ( 8)
FR
0.5
1.0
dB
dB
6. fs()
PB=20.0kHz(@ADC : -1.0dB, DAC : -0.1dB)0.454 x fs
7. ADC24bit
DAC24bit
8. fs=96kHz
DC
(Ta=25
C; VA, VD=2.4
4.0V)
Symbol
min
typ
max
Units
VIH
VIL
70
%
VD
-
-
-
-
30
%
VD
V
V
(Iout= -20
A)
(Iout= 20
A)
VOH
VOL
VD-0.1
-
-
-
-
0.1
V
V
Iin
-
-
10
A
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