AKD5384_05 Datasheet, PDF (6/23 Pages) Asahi Kasei Microsystems – 24bit 96kHz 4ch A/D converter

ASAHI KASEI
[AKD5384]
„ Input Circuit
Analog signal is input to LIN1-2/RIN1-2 pins via J1 ∼ J4 connectors.
R11, R18, R25 and R32 should be changed depending on the output impedance of signal source.
LIN1+
R6
4.7k
OP_AMP1-
R10
C18
330
10u
6
7
5
U2B
NJM5532
R9
4.7k
OP_AMP1+
R7
5.1k
OP_AMP1-
1
U2A
NJM5532
2
3
OP_AMP1+
R8
C17
10k
22u
J1
LIN1
R11
560
LIN1-
RIN1+
R12
C28
330
10u
R13
4.7k
OP_AMP1-
R17
C30
330
10u
6
7
5
U3B
NJM5532
R16
4.7k
OP_AMP1+
R14
5.1k
OP_AMP1-
1
U3A
NJM5532
2
3
OP_AMP1+
R15
C29
10k
22u
J2
RIN1
R18
560
RIN1-
LIN2+
R19
C31
330
10u
R20
4.7k
OP_AMP1-
R24
C33
330
10u
6
7
5
U4B
NJM5532
R23
4.7k
OP_AMP1+
R21
5.1k
OP_AMP1-
1
U4A
NJM5532
2
3
OP_AMP1+
R22
C32
10k
22u
J3
LIN2
R25
560
LIN2-
RIN2+
R26
C43
330
10u
R27
4.7k
OP_AMP1-
R31
C45
330
10u
6
7
5
U5B
NJM5532
R30
4.7k
OP_AMP1+
R28
5.1k
OP_AMP1-
1
U5A
NJM5532
2
3
OP_AMP1+
R29
C44
10k
22u
J4
RIN2
R32
560
RIN2-
R33
C46
330
10u
Figure 2. LIN1-2/RIN1-2 Input circuits
* AKM assumes no responsibility for the trouble when using the circuit examples.
<KM070101>
-6-
2005/10