DC1257B - Schematic

VDD
VDD
HI
R2
10
ON
2
R3
10
2
R6
R5
3
3
opt.
OFF
LOW
opt.
R4
1K
VDD
JP2
RAND
1
1
JP1
PGA
EXTREF
E7
C10
0.1uF
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
OVP
C9
0.1uF
R7
C8
0.1uF
VCC
J1
EDGE-CON
(GOLD FINGER)
100
VDD
C12
0.1uF
R8
opt.
R9
50
51
52
53
54
55
56
57
58
49
OVdd
OGND
DA7
DA8
DA9
DA10
DA11
DA12
DA13
DA14
59
60
OFA
DA15
61
DB10
36
35
34
33
OVP
65
R17
opt.
32
17
VCC
37
GND
Vdd
OVdd
DB11
OGND
DB12
Vdd
Vdd
16
40
DB15
GND
31
15
44
38
DB13
EXPOSED PAD
45
39
DB14
ENC-
DB9
14
ENC+
30
C26
0.1uF
GND
DB8
13
29
12
DB7
C24
1.5pF
46
OFB
GND
28
24.9
11
CLKOUTB
DB6
11
Ain-
DB5
10
27
6
62
41
9
R15
Ain+
DB4
7
LVDS
42
CLKOUTA
8
C22
1.0pF
26
24.9
8
GND
GND
DA0
U1
LTC2208CUP
25
C25
0.1uF
opt
GND
DB3
CL LO
AIN-
43
7
DB2
OUT-
DA1
24
TCM4-19+
5
IN-
Vdd
23
C23
R14B
100
OUT+
6
DB1
3
4
IN+
C20
1.5pF
R13
DB0
2
6
3
R14A
100
DA2
22
4
Vdd
5
9
GND
DA3
21
1
CL HI
GND
DITH
T1
10
V+
47
DA4
18
0.1uF
2
VCM
48
Vcm
4
2.2uF
DA6
DA5
20
AIN+
220pF
Sense
GND
3
SHDN
1
C21
opt
C17
U2
LTC6416CDDB
C18
0.1uF
VCM
GND
R12
opt.
C19
OVP
R16
5.1K
C11
0.1uF
CLLO
C27
0.1uF
CLK
J4
T2
MABA-007159-000000
4
3
R21
100
2
0.1uF
5
SHDN
EN
1
R26
51.1
C29
0.1uF
JP4
DITH
JP3
SHDN ADC
R19
51.1
1
VDD
C28
2
ON
2
OFF
R24
4.99K
U3
24LC025
3
R18
opt.
1
E3
3
J3
2
C16
E2
J2
1
0.1uF
19
C14
CLHI
RAND
VCC
R11
opt.
MODE
10.0
C13
0.1uF
64
R10
opt.
VCC
PGA
E1
63
VCM
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
R27
2K
C30
0.1uF
1
2
3
4
A0
A1
A2
VSS
VCC
WP
SCL
SDA
8
7
6
5
R25
4.99K
C31
0.1uF
R28
4.99K
R29
opt.
U4
LT1963AEST-3.3
VS
1
VS
E4
3.6V-20V
GND
E6
C32
10uF
25V
IN
OUT
GND
2
L1 (opt.)
VCC
3
OPT
E5
BLM18PG221SN1D
C33
10uF
6.3V
L2
VDD
BLM18PG221SN1D
L3
OVP
BLM18PG221SN1D
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BES T EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUST OMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERAT ION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTI ON AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTA CT LINEAR
TECHNOLOGY APPLICATIONS ENGI NEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LIN EAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINE AR TECHNOLOGY PARTS.
CONTRACT NO.
APPROVALS
DRAWN
June Wu
DATE
1/3/06
CHECKED
TECHNOLOGY
TITLE
LTC6416CDDB
16-Bit ADC Buffer + ADC
APPROVED
ENGINEER Cheng-Wei Pei
DESIGNER
1/3/06
SIZE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
CAGE CODE
DWG NO
REV
DC1257B
Thursday, October 02, 2008SCALE:
FILENAME:
SHEET
1
B
OF
1
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