DC2209A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
C1
100pF
C2
100pF
C3
100pF
C4
100pF
C5
100pF
C6
100pF
C7
100pF
C8
100pF
C9
100pF
C10
100pF
C11
100pF
C12
100pF
C13
100pF
C14
100pF
C15
100pF
C16
100pF
C17
100pF
C18
100pF
C19
100pF
CH20
CH19
CH18
CH17
CH16
CH15
CH14
CH13
CH12
CH11
COM
CH10
CH9
CH8
CH7
CH6
CH5
CH4
CH3
CH2
CH1
__
C20
100pF
REV
1
DESCRIPTION
APPROVED
DATE
1ST PROTOTYPE
MARK T.
02-20-14
C21
100pF
D
D
VDD
VDD
VREF_BYP
C32
0.1uF
C
C25
10uF
0805
VDD
C26
0.1uF
C27
0.1uF
VDD
VDD
C28
0.1uF
J1
A B C D
C29
0.1uF
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
VREFOUT
VREFP
GND
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
U1
LTC2983
Q1
Q2
Q3
VDD
GND
LDO
RESETN
NCS
SDI
SDO
SCK
INTERRUPT
48
47
46
45
44
43
42
41
40
39
38
37
C30
10uF
0805
Q1
Q2
Q3
VDD
C31
10uF 0805
C33 10uF 0805
CH19
EEVCC
CH17
EESDA
CH15
EESCL
CH13
VDD
E3
VDD
R2
100k
RESET
NCS
SDI
SDO
SCK
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
B10
A10
COM
CH11
CH9
E1
CH7
RESET
CH5
INTERRUPT
CH10
CH11
CH12
CH13
CH14
CH15
CH16
CH17
CH18
CH19
CH20
COM
C34
10uF
0805
VDD
12
11
10
9
8
7
6
5
4
3
2
1
13
14
15
16
17
18
19
20
21
22
23
24
VREF
R1
1
C24
10uF
0805
C23
0.1uF
GND
VREF_BYP
NC
GND
VDD
GND
VDD
GND
VDD
GND
VDD
GND
C22
10uF
0805
VDD
CH3
CH1
E2
INTERRUPT
D1
C1
D2
C2
D3
C3
D4
C4
D5
C5
D6
C6
D7
C7
D8
C8
D9
C9
D10
C10
CH20
CH18
CH16
CH14
CH12
CH10
CH8
C
CH6
CH4
CH2
HIROSE-FX2-40P-1.27DS
E4
CH10
CH11
CH12
CH13
CH14
CH15
CH16
CH17
CH18
CH19
CH20
COM
25
26
27
28
29
30
31
32
33
34
35
36
GND
GND CS
SCK SDI
SDO GND
B
EEVCC
EESDA
EESCL
ARRAY
EEPROM
U2
24LC025-I /ST
SCL
SDA
WP
A2
A1
A0
R3
4.99k
6
5
7
3
2
1
R4
4.99k
EEGND
R5
4.99k
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL CAPACITORS ARE IN MICROFARADS, 0603.
2. ALL RESISTOR ARE IN OHMS, 0603.
WP
4
C35
0.1uF
8
13
8 GND
3 GND
GND
HD2X7-079-MOLEX
VDD
VCC
1
V+ 2
5V
6
CS 4
SCK/SCL 7
MOSI/SDA 5
MISO
10
EEVCC 9
EESDA 11
EESCL 12
EEGND 14
AUX
B
GND
J2
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
TECHNOLOGY
KIM T.
MARK T.
TITLE: SCHEMATIC
SIZE
N/A
SCALE = NONE
2
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
24-BIT PRECISION DIGITAL
TEMPERATURE MEASUREMENT SYSTEM
IC NO.
REV.
LTC2983CLX
1
DEMO CIRCUIT 2209A
02/20/2014, 05:24 PM
SHEET 1
1
OF 1
A
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