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8.0 Hardware Schematic
Figure 6. ADC 12040 Evaluation Board Schematic
+V
D2
1N4001
D3
1N4001
+ C14
33uF
+ C16
33uF
D4
1N4001
C18
+ 33uF
TP8
+V
TP9
+5V
TP10
-V
+5V
-V
P1
Power
Connector
+V
GND
+5V
-V
1
2
3
4
L3
CHOKE
L4
CHOKE
L5
CHOKE
λ
1
2
4
3
OSC
VR1
1k
C3
1uF
TP1
VREF
TP3
Vin+
TP4
Vin-
R7
33 (47pF)
R8
33 (47pF)
C7
22pF
(330pF)
C2
0.1uF
C4
0.1uF
C5
0.1uF
+5VA
+V
L1
CHOKE
C1
1uF
TP2
VDO
L2
CHOKE
RP2
8x47 Ohms
RP1
8x47 Ohms
C12
1uF
+5VA
+V
R13
200
C13
22pF
R14
330
R6
47
R9
200
T1
C8
0.1uF
R18
100
TP5
SIG IN
TP6
PWR DWN
C11
1uF
R12
470
R11
10K
C10
1uF
C9
1uF
R15
10k
C15
0.1uF
Q2
MMBT2222A
JP2
CLK SELECT
R17
47
R16
1K
C17
0.1uF
Y1
TP7
ADC CLK
A1
B1
C1
A2
B2
C2
A3
B3
C3
A4
B4
C4
A5
B5
C5
A6
B6
C6
A7
B7
C7
A8
B8
C8
A9
B9
C9
A10
B10
C10
A11
B11
C11
A12
B12
C12
A13
B13
C13
A14
B14
C14
A15
B15
C15
A16
B16
C16
A17
B17
C17
A18
B18
C18
A19
B19
C19
A20
B20
C20
A21
B21
C21
A22
B22
C22
A23
B23
C23
A24
B24
C24
A25
B25
C25
A26
B26
C26
A27
B27
C27
A28
B28
C28
A29
B29
C29
A30
B30
C30
A31
B31
C31
A32
B32
C32
J2
96 PIN FEMALE EURO (DIN) CONNECTOR
-V
+V
+5V
R10
not used
Q1
MMBT2222A
R1
330
D6
1N5227 (3.6V)
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
ADC12010
ADC12020
ADC12040
or
ADC12L063
V
REF
V
IN
+
V
IN
-
AGND
V
A
V
A
AGND
PD
D8
D7
D6
DR V
D
DR GND
D5
D4
D3
32
31
30
29
28
27
26
25
9
10
11
12
13
14
15
16
DGND
CLK
OE
DGND
V
D
D0
D1
D2
V
RM
V
RP
V
RN
V
A
AGND
D11
D10
D9
3 2 1
D1
RED LED
+5V
U2
R3
330
+V
R4
0Ω
D10
(not used)
D11
(not used)
R5
100
C6
1uF
R25
100
R24
51
R23
100
R22
68
1 2 3
3
2
1
J3
INPUT
[not used]
J1
INPUT
E1
OutEn
R21
1k
TP20
OE
L10
CHOKE
JS3
V
DR
Select
R16 not used
for ADC12L066
+5V
JP3
MIX
JP4
IN SELECT
C15A
D15
1N4148
R20
100k
(Not Used)
JS2JS1
4 1
2
6 3
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
Values in parentheses for R7,
R8 and C7 at ADC input are
for ADC12010/12020
D5
LM4050AEM3 -2.5 (ADC12010/020/040)
LM4041BIZ1-1.2 (ADC12L063/L066)
[not used]
[not
used]
[not
used]
[hard wired]
[hard
wired]
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