9
dc1762afb
DEMO MANUAL DC1762A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
schematic Diagram
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
G
ND
F
A
S
T
DA
A
CS
B
O
A
RD
ID
CI
RCUI
T
RY
0201
0201
0201
0201
0201
0201
0201
0201
0201
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
NO
T
ES:
UNL
ESSO
T
HERW
ISE
SPECI
F
IED,
1
.
AL
L
CAPACI
T
O
RS
AND
RESI
ST
O
RS
ARE
0
4
0
2
.
0603
0603
0603
1206
1206
*
LT
C
2163C
U
P
5
<
A
IN
<
1
7
0
SAM
PL
E
R
AT
E
16
5
<
A
IN
<
1
7
0
LT
C
2160C
U
P
-C
5
<
A
IN
<
1
7
0
125M
sps
16
80M
sps
-F
LT
C
2162C
U
P
16
F
RE
Q
UE
NCY
RA
NG
E
ASSY
-D
-A
65M
sps
U2
LT
C
2161C
U
P
16
LT
C
2165C
U
P
-E
5
<
A
IN
<
1
7
0
25M
sps
LT
C
2164C
U
P
40M
sps
N
o
. o
f B
IT
S
16
16
-B
5
<
A
IN
<
1
7
0
105M
sps
5
<
A
IN
<
1
7
0
1
6
5
<
A
IN
<
1
7
0
20M
sps
LT
C
2159C
U
P
-G
1
6
5
<
A
IN
<
1
7
0
20M
sps
LT
C
2269C
U
P
-H
C
6,
C
7
C
13,
C
15,
C
21
C
51
0.
1uF
0.
1uF
0.
1uF
0.
1uF
0.
1uF
0.
1uF
0.
1uF
0.
1uF
1.
0uF
0.
01uF
0.
01uF
0.
01uF
0.
01uF
0.
01uF
0.
01uF
0.
01uF
4.
7puF
4.
7puF
4.
7puF
4.
7puF
4.
7puF
4.
7puF
4.
7puF
10puF
SC
L
V
CC_
IN
SD
A
VSS
V
CC_
IN
PAR
/SER
SDO
D
12/
13-
O
U
T
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ABL
E1
O
U
T
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ABL
E1
D
12/
13+
D
14/
15+
D
14/
15-
SC
L
SD
A
SC
K
CS
SCK
SDI
A
IN
-
E
NC+
E
NC-
SD
I
PAR
/SER
A
IN
+
SC
L
SD
A
SC
L
VSS
SD
A
O
U
T
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E1
C
L
K+
C
L
K-
D
10/
11+
D
10/
11-
D
8/
09+
D
8/
09-
D
6/
07+
D
6/
07-
D
4/
05+
D
4/
05-
D
2/
03+
D
2/
03-
D
0/
01+
D
0/
01-
SD
A
V
C
M1
SD
I
SD
O
SD
O
SC
K
CS
CS
+
3.
3V
VD
D
VD
D
VD
D
O
VD
D
+
3.
3V
VD
D
O
VD
D
VD
D
+
3.
3V
+
3.
3V
+
3.
3V
VD
D
VD
D
VD
D
+
3.
3V
VD
D
+
3.
3V
VD
D
VD
D
TE
C
H
N
OLOGY
1
H
IG
H
SPEED
L
O
W
PO
W
ER
N/
A
L
T
C2
1
X
X
CUP
F
A
M
IL
Y
DEM
O
CI
RCUI
T
1
7
6
2
A
A
D
C
F
A
M
IL
Y
, L
V
D
S
TE
C
H
N
OLOGY
1
H
IG
H
SPEED
L
O
W
PO
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ER
N/
A
L
T
C2
1
X
X
CUP
F
A
M
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Y
DEM
O
CI
RCUI
T
1
7
6
2
A
A
D
C
F
A
M
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Y
, L
V
D
S
TE
C
H
N
OLOGY
1
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IG
H
SPEED
L
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A
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T
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1
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X
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T
1
7
6
2
A
A
D
C
F
A
M
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Y
, L
V
D
S
R
E
V
IS
IO
N
H
IS
T
O
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Y
D
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.
PR
O
T
O
001
1
12/
13/
10
1
.1
P
ar
t
A
dded
06/
08/
12
C
lar
enc
e
M
.
R
E
V
IS
IO
N
H
IS
T
O
R
Y
D
ESC
R
IPT
IO
N
D
AT
E
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VED
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M
.
PR
O
T
O
001
1
12/
13/
10
1
.1
P
ar
t
A
dded
06/
08/
12
C
lar
enc
e
M
.
R
E
V
IS
IO
N
H
IS
T
O
R
Y
D
ESC
R
IPT
IO
N
D
AT
E
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VED
EC
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R
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CL
A
RE
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M
.
PR
O
T
O
001
1
12/
13/
10
1
.1
P
ar
t
A
dded
06/
08/
12
C
lar
enc
e
M
.
R
5
5
.1
1%
R
5
5
.1
1%
C
18
0.
1uF
C
18
0.
1uF
JP
4
S
HDN
EN
D
IS
JP
4
S
HDN
EN
D
IS
1
3
2
C
6*
C
6*
C
59
0.
01uF
C
59
0.
01uF
R
27
100
R
27
100
R
22
100
R
22
100
C
14
1uF
C
14
1uF
U
6
LT
3080E
D
D
U
6
LT
3080E
D
D
V
O
UT
9
V
CT
RL
5
V
O
UT
1
R
EST
4
V
IN
7
V
O
UT
2
V
IN
8
V
O
UT
3
R
23
100
R
23
100
C
36
0.
1uF
C
36
0.
1uF
U
1
24LC
02S
T
U
1
24LC
02S
T
A0
1
A1
2
A2
3
A3
4
S
DA
5
S
CL
6
WP
7
V
CC
8
R7
180K
1%
R7
180K
1%
U8
F
IN
1101K
8X
U8
F
IN
1101K
8X
RI
N-
1
G
ND
2
EN
3
G
ND
4
DO
UT
-
5
DO
UT
+
6
V
CC
7
RI
N+
8
R
29
4.
99K
1%
R
29
4.
99K
1%
T2
M
ABAES0
0
6
0
T2
M
ABAES0
0
6
0
R
32
0
R
32
0
C3
0.
01uF
C3
0.
01uF
C
12
0.
1uF
C
12
0.
1uF
R
18
100
R
18
100
C
25
O
PT
C
25
O
PT
R
52
O
PT
R
52
O
PT
R
14
1K
R
14
1K
R
26
4.
99K
1%
R
26
4.
99K
1%
L5
O
PT
L5
O
PT
C
27
0.
1uF
C
27
0.
1uF
R
21
100
R
21
100
C
26
0.
1uF
C
26
0.
1uF
R
51
100
R
51
100
T
P4
T
P4
T3
M
A
B
A
-007159-
000000
T3
M
A
B
A
-007159-
000000
5
3
2
4
1
R
47
0
R
47
0
R
33
1K
R
33
1K
T1
M
A
B
A
-007159-
000000
T1
M
A
B
A
-007159-
000000
R
30
100
R
30
100
C
28
0.
1uF
C
28
0.
1uF
J7
E
NC+
J7
E
NC+
C
39
22pF
C
39
22pF
C
32
0.
1uF
C
32
0.
1uF
C
20
0.
1uF
C
20
0.
1uF
C
17
2.
2uF
C
17
2.
2uF
R
16
100
R
16
100
R
28
0
R
28
0
P1
ED
G
E-
C
O
N
-1
0
0
P1
ED
G
E-
C
O
N
-1
0
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99
R
5
0
O
PT
R
5
0
O
PT
JP
6
L
VD
S/
C
M
O
S
EN
D
IS
JP
6
L
VD
S/
C
M
O
S
EN
D
IS
1
3
2
C
61
O
PT
C
61
O
PT
C
34
0.
1uF
C
34
0.
1uF
R
36
86.
6
1%
R
36
86.
6
1%
C
31
0.
1uF
C
31
0.
1uF
C
19
0.
1uF
C
19
0.
1uF
R
39
1%
33.
2
R
39
1%
33.
2
R
11
10
1%
R
11
10
1%
C9
8.
2pF
C9
8.
2pF
C
21*
C
21*
C
40
O
PT
C
40
O
PT
C
33
O
PT
C
33
O
PT
C
55
10uF
C
55
10uF
R8
330K
1%
R8
330K
1%
R
4
8
O
PT
R
4
8
O
PT
C
24
4.
7uF
C
24
4.
7uF
R
4
5
.1
1%
R
4
5
.1
1%
C2
0.
01uF
C2
0.
01uF
C1
O
PT
C1
O
PT
U3
F
IN
1108
U3
F
IN
1108
O
UT
6
-
32
VE1
1
VE2
2
E
N1
2
3
IN1
-
4
IN1
+
5
IN2
+
6
IN2
-
7
IN3
-
8
IN3
+
9
IN4
+
10
IN4
-
11
VC1
12
EN
13
IN5
-
14
IN5
+
15
IN6
+
16
IN6
-
17
IN7
-
18
IN7
+
19
IN8
+
20
IN8
-
21
E
N3
4
22
VE3
23
VBB
24
VC2
25
VC3
26
E
N5
6
27
O
UT
8
-
28
O
UT
8
+
29
O
UT
7
+
30
O
UT
7
-
31
O
UT
6
+
33
O
UT
5
+
34
VE4
36
O
UT
5
-
35
VE5
37
O
UT
4
-
38
O
UR4
+
39
O
UT
3
+
40
O
UT
3
-
41
O
UT
2
-
42
O
UT
2
+
43
O
UT
1
+
44
O
UT
1
-
45
E
N7
8
46
VC5
48
VC4
47
R
9
10
1%
R
9
10
1%
C
37
0.
1uF
C
37
0.
1uF
C
22
1uF
C
22
1uF
R
55
100
R
55
100
C
62
0.
1uF
C
62
0.
1uF
R
12
10
1%
R
12
10
1%
R
37
1K
R
37
1K
C
41
O
PT
C
41
O
PT
T
P3
GN
D
T
P3
GN
D
R
5
4
O
PT
R
5
4
O
PT
R
31
100
R
31
100
R1
49.
9
1%
R1
49.
9
1%
L4
BEAD
L4
BEAD
R
35
1K
R
35
1K
C
13*
C
13*
R
40
1%
33.
2
R
40
1%
33.
2
C
30
0.
1uF
C
30
0.
1uF
R2
49.
9
1%
R2
49.
9
1%
R
44
86.
6
1%
R
44
86.
6
1%
T
P5
G
ND
T
P5
G
ND
R
57
O
PT
R
57
O
PT
R
53
0
R
53
0
C
51*
C
51*
U2
*
U2
*
O
V
DD
32
V
CM
1
A
IN+
2
A
IN-
3
G
ND
4
RE
F
H
5
RE
F
L
6
RE
F
H
7
RE
F
L
8
PAR
/SER
9
G
ND
10
G
ND
11
V
DD
12
VDD
13
GND
14
ENC+
15
ENC-
16
CS
17
SCK
18
SDI
19
GND
20
D0_1-
21
D0_1+
22
D2_3-
23
D2_3+
24
D
4_5-
25
D
4_5+
26
D
6_7-
27
D
6_7+
28
CL
K
O
UT
-
29
CL
K
O
UT
+
30
OGN
D
31
D
8_9-
33
D
8_9+
34
D
10_11+
36
D
10_11-
35
D12_13-
37
38
D14_15-
39
40
OF-
41
OF+
42
GND
43
SDO
44
VREF
45
SENSE
46
VDD
47
VDD
48
GND
49
C
7*
C
7*
C
15*
C
15*
L
3
BEAD
L
3
BEAD
J5
A
IN
+
J5
A
IN
+
CN1
2.
2uF
CN1
2.
2uF
8
1
7
2
6
3
5
4
R
4
6
O
PT
R
4
6
O
PT
C
54
10uF
C
54
10uF
R
24
100K
R
24
100K
L1
56nH
L1
56nH
C
38
22pF
C
38
22pF
U
4
LT
3080E
D
D
U
4
LT
3080E
D
D
V
O
UT
9
V
CT
RL
5
V
O
UT
1
R
EST
4
V
IN
7
V
O
UT
2
V
IN
8
V
O
UT
3
C
16
0.
1uF
C
16
0.
1uF
RN2
3
3
RN2
3
3
1
2
3
4
8
7
6
5
R
15
3K
1%
R
15
3K
1%
R
25
4.
99K
1%
R
25
4.
99K
1%
C
23
2.
2uF
C
23
2.
2uF
C
60
O
PT
C
60
O
PT
R6
10K
R6
10K
U5
P
C
F
8574T
S
/3
U5
P
C
F
8574T
S
/3
P0
10
P1
11
P2
12
P3
14
S
DA
4
P4
16
P5
17
P6
19
P7
20
GND
15
S
CL
2
INT
1
VDD
5
A0
6
A1
7
A2
9
NC
8
NC
3
NC
13
NC
18
J9
E
NC-
J9
E
NC-
R
20
100
R
20
100
R
34
1K
R
34
1K
R
38
1K
R
38
1K
C
10
8.
2pF
C
10
8.
2pF
JP
2
PAR
S
ER
PAR/
SER
JP
2
PAR
S
ER
PAR/
SER
1
3
2
T
P2
V+
3
.5
V
-
6
V
T
P2
V+
3
.5
V
-
6
V
R
45
86.
6
1%
R
45
86.
6
1%
R
19
100
R
19
100
C
29
0.
1uF
C
29
0.
1uF
JP
5
N
AP
EN
D
IS
JP
5
N
AP
EN
D
IS
1
3
2
T
P1
EXT
R
EF
T
P1
EXT
R
EF
R
17
100
R
17
100
R
49
O
PT
R
49
O
PT
L2
BEAD
L2
BEAD
R
10
10
1%
R
10
10
1%
C
35
0.
1uF
C
35
0.
1uF
JP
3
D
U
T
Y
C
YC
L
E
ST
AB.
E
N
D
IS
JP
3
D
U
T
Y
C
YC
L
E
ST
AB.
E
N
D
IS
1
3
2
R
56
O
PT
R
56
O
PT
R
41
3K
1%
R
41
3K
1%
