DC570A - Schematic

5
4
3
2
1
2
JP1
REF+
GND
4
VOUT
NC
3
VIN
2
NC
1
8
1
GND
TRIM
6
7
5V
D
E1
VOUT
5
VCC
E2
NC
NC
C1
0.1UF
FO
LT1236ACS8-5
REF+
E3
C4
10UF,6.3V
0805
C2
4.7UF,6.3V
0805
C3
0.1UF
1
C7
0.1UF 3
E5
IN+
2
R7
0
JP2
REF-
EXT
C
R8
100
E6
IN-
J2
1
GND
GND
GND
16
2
REF+
VCC
3
REF-
REF+
4
IN+
REF-
5
IN-
IN+
6
IN-
7
SDI
CS 11
EXT 10
8
GND
GND
C8
330PF
R9
0
BUSY 15
FO 14
SCK 13
SD0 12
9
R6
0
1
I1
2
GND
3
I0
C11
0.1UF
R2
100
VCC
U3
C9
330PF
E7
OPT
R3
LTC2440CGN
R10
100
GND
FO
U1
REF-
D
C5
0.01UF
E4
C6
4.7UF,6.3V
0805
1
R1
49.9,1%
VCC
J1
SMA
2
3
4
5
3
U2
EXT
S 6
VCC 5
1
4
2
A1
3
A2
4
VSS
24LC025
Z
NC7SZ157P6X
VCC
C10
0.1UF
TRIGGERED
Q
5
Q
3
2
GND VCC 8
CLR PR 7
CP
SCL 6
SDA 5
R11
4.99K
1%
2
3
SCK
3
4
MISO
4
5
CS
5
6
MOSI
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
R5
4.99K
1%
C
NORMAL
3
B
1
JP3
TRIG MODE
6
R4
10K
1
VCC 8
WP 7
1
2
2
JP4
OPT
D
4
1
CP
2
A0
1
VCC
HD2X7-079-MOLEX
U4
NL17SZ74US
B
U5
VIN
NOTES: UNLESS OTHERWISE SPECIFIED
CONTRACT NO.
APPROVALS
1. ALL RESISTORS ARE IN OHMS, 0603.
ALL CAPACITORS ARE IN MICROFARADS, 0603.
A
DRAWN:
2. INSTALL SHUNT ON JP1-JP3 PIN 1 AND 2.
TECHNOLOGY
KIM T.
CHECKED:
TITLE:
DESIGNER:
SIZE
A
DATE:
5
4
3
SCHEMATIC
HIGH SPEED DELTA SIGMA ADC
APPROVED:
ENGINEER: MARK T.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
2
DWG NO.
DC570A-2 * LTC2440CGN
Tuesday, January 07, 2003
SHEET
1
REV
A
1 OF 1
A
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