31
CDX-L250/L430X
IC401 LC75421M-TLM
LROUT
LFOUT
+
–
+
–
+
–
4
VSS
3
CE
DI
5
7
+
–
9
6
LFIN
LOUT
12
LIN
L5
L4
L3
R2
R3
R4
VREF
R5
L2
L1
R1
LSELO
LBASS1
10
+
–
13
14
15
16
17
18
+
–
LTRE
11
LSB
LBASS2
8
RROUT
RFOUT
34
33
31
29
32 RFIN
ROUT
26 RIN
RSELO
RBASS1
28
25
24
23
21
RTRE
27
RSB
RBASS2
30
+
–
+
–
+
–
+
–
+
–
+
–
+
–
2
1
VDD
35
CL
36
CCB
INTERFACE
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
LVREF
RVREF
+
–
22
20
19
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9
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TEL 13942296513 QQ 376315150 892498299
