DC572A - Schematic

5
4
3
2
1
+15V
NC
NC
7
NC
6
VOUT
VIN 2
NC 3
5
C3
4.7UF,6.3V
0805
TRIM
C2
4.7UF,25V
1206
-15V
+5V
2
JP1
REF
EXT
11
10
10
5
SDA
9
9
6
SCL
8
8
7
WP
A1
7
7
VCC
A0 1
6
6
5
5
4
4
3
3
2
2
1
1
8
C5
R3
0.1UF 4.99K
1%
4
VSS 4
A2 3
2
24LC025
R1
+7V
R4
10K
HD2X7-079-MOLEX
R5
E8
CS/LD
9
VCC
14
CLR
13
CS/LD
12
SCK
11
OPT 10
R6
100
NORM
2
CS/LD
B
C4
220PF
R2
16-BIT DAC
-
5
IOUT2
6
ANGD
7
GND
8
-15V
C9
0.1UF
R8
0
C
J3
1
0805
E4
VOUT
E5
VOUT
GND
B
3
GND VCC 8
PR 7
NOTES: UNLESS OTHERWISE SPECIFIED
U4
NL17SZ74US
Q
5
Q
3
1. ALL RESISTORS ARE IN OHMS, 0603.
ALL CAPACITORS ARE IN MICROFARADS, 0603.
2. INSTALL SHUNT ON JP1&JP2 PIN 1 AND 2.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
6
IOUT1
U2B
LT1469CS8
7
U1
LTC1592ACG
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
5
+
SDO
CUSTOMER NOTICE
A
5
C7
0.1UF
TRIG MODE
CLR
CP
+15V
SOFTSPAN VOUT
0-5V 0-10V
+/-2.5V
+/-5V
+/-10V
-2.5V to 7.5V
6
R7
10K
D
4
E7
GND
1
OPT
EXT
REF
JP2
VCC
2
C6
30PF
1206
SDI
C10
0.1UF
CP
J2
TRIG
1
E6
TRIGGER
LT1236ACS8-5
1206
C8
0.1UF
VCC
-
RCOM 1
R1
R2
4.99K 4.99K
1%
1%
U5
R1 2
TP1
TP2
+
2
4
2
3
4
5
11
3
D
1
8
12
+15V
3
12
U2A
LT1469CS8
1
ROFS 3
13
13
R2 16
REF 15
14
8
14
GND
1
2
3
4
5
E3
J1
C
8
4
-15V
U3
1
GND
D
C1
4.7UF,25V
1206
E2
RFB 4
+15V
E1
3
CONTRACT NO.
APPROVALS
DRAWN:
TECHNOLOGY
KIM T.
CHECKED:
TITLE: SCHEMATIC
APPROVED:
ENGINEER: MARK T.
DESIGNER:
SIZE
A
DATE:
2
DWG NO.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
16-BIT SOFTSPAN DAC
DC572A-1 * LTC1592ACG
Tuesday, March 16, 2004
SHEET 1
1
REV
A
OF 1
A
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