DC980A - Schematic

1
2
3
4
5
ECO
1
3
LO
LO
2
HI
A
JP2
3
3
JP1
LOCAL
HI
VDD SOURCE 2
VDD
JP7
DC590A
1
R2
1uF
GPIO_CFG
1
3
IN0B-
4
IN1A+
5
IN1A-
6
7
IN1B+
R16
0
C11
24
23
20
ASEL1
ASEL0
J1
19
18
ALERT
17
VIN0_B-
GPIO_0
16
VIN1_A+
GPIO_1
15
VIN1_A-
IOUT0
14
C9
VIN1_B+
IOUT1
13
0.1uF
SCL
C6
[option]
R18
6.34K
6.34K
ANALOG
INTERFACE
[option]
JP5
JP6
IOUT1
R20
0
(0 - 6 V)
C13
R21
0
0.1uF
C14
BAT54
[option]
R13
4.99K
R14
4.99K
2
I C
PORT
1
A0
2
A1
WP
7
3
A2
SCL
6
4
VSS SDA
5
VCC
8
R22
0
ON
IOUT0
2
2
WRITE-PROTECT
JP4
OFF
GND
GND
C
1
VIN1B-
C
D1
2
1
TP10
R12
4.99K
1
C12
[option]
TP11
GPIO_1
TP12
12VIN
B
3
VDD
R19
0
C7
3
TP9
(0 - 6 V)
3
VIN1B+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
U2
24LC025
R17
IN1B-
[option]
+
R9
0
R10
0
SCL
LTC2970CUFD
JP8
C2
10uF
SDA
VOUT1
[option]
JP3
R23
0
R6
2K
SDA
VOUT0
TP8
(0 - 6 V)
GPIO_CFG
VIN0_B+
R5
2K
GPIO_CFG
12
19
17
15
13
11
9
7
5
3
1
20
18
16
14
12
10
8
6
4
2
3
R15
0
(0 - 6 V)
C10
VIN1A-
IN0B+
[option]
TP7
VIN1A+
VIN0_A-
12VIN
GPIO_CFG
C8
VIN0_A+
2
11
R11
0
(0 - 6 V)
1
IN0A-
10
TP6
VIN0B-
IN0A+
[option]
VDD
GPIO_0
C5
9
R8
0
(0 - 6 V)
REF
GND
[option]
VIN1_B-
GPIO_1
C4
TP5
REF_GND
U1
8
R7
0
25
2
TP4
(0 - 6 V)
R4
2K
(option)
GND
HI
(option)
ASEL1
[option]
21
C3
VIO
100K
R3
0
ASEL0
C1
(0 - 6 V)
22
TP3
B
APPROVED
ASEL1
1
TP2
VIN0B+
DATE
10/25/05
VDD
ASELO
GND
VIN0A-
DESCRIPTION
TYPO CORRECTIONS AND PARTS MADE OPT.
R1
10K
VDD 4.5 - 5.75V
VIN0A+
8
REV
2
VDD
TP1
7
VDD
2
A
6
REVISION HISTORY
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice:Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers responsibility to verify proper
and reliable operation in the actual application, Component
substitution and printed circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
DAC 1
TERMINATION
(8 - 15V)
DAC 0
TERMINATION
GPIO_1
TP13
GPIO_0
GPIO_0
TP14
C15
10uF
ALERTB
+
ALERTB
TP15
IOUT0
TP16
IOUT0
TP17
VOUT0
IOUT1
IOUT1
TP18
VOUT1
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL
PER ASME Y14.5M -1994
D
THIRD ANGLE PROJECTION
CONTRACT NO.
APPROVALS
DATE
DRAWN Chris Pollard
10/25/05
CHECKED
APPROVED
TECHNOLOGY
TITLE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
D
SCH, LTC2970CUFD, DUAL POWER SUPPLY
MONITOR AND MARGIN CONTROLLER
ENGINEER
SIZE CAGE CODE
DESIGNER
DO NOT SCALE DRAWING
1
2
3
4
5
DWG NO
REV
2
DC980A
Tuesday, December 06, 2005 SCALE:NONE
6
FILENAME: 980A.DSN
7
SHEET
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OF
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