DC1397B - Schematic

U2
LT1790(opt.)
4
1
DNC
DNC
VCC
VERSION TABLE
LTC2656BCUFD-H16
4
C2
0.1uF
1
1
3
13
14
14
15
17
CH2
SCK
CH3
CLK
CH4
DIN
CH5
SDO
CH6
CH7
5
U5
LTC2428CG
F0
GND
3
5
C7
0.1uF
JP3
VCC
Enable Disable
3
1
2
23
DNC
DNC
1
GND
VIN
2
8
2
3
CS_ADC
CS_MUX
20
R3
7.5K
25
19
21
24
26
GND
12
CH1
GND
11
V+
4
R4
7.5K
1
16
CH0
VCC
9
10
VCC
14
15
6
12
VOUTH
E7
13
GND
11
VOUTG
E5
E8
VCC
C9
0.1uF
16
9
E6
VF
7.5K
GND
DAC-SDO
4
VH
C8
100pF
GND
VOUTF
10
1
3
VE
22
VOUTE
INT 2
6
VOUT
C6
1.0uF
R2
VG
FSset
VOUTD
SDI
5
U4
LT1790ACS6-5
GND
CLR
SDO
9
E3
20
7
17
11
VCC
PROSEL
5
6
LDAC
2
12
VOUTB
REF1 6
EXT 4
FSset
E4
MUXOUT
10
SDO
E1
VOUTC
E9
7
C4
0
E14
VOUTA
SCK
C3
1.0uF
18
GND
GND
E12
GND
E13
R5
5.1K
8
VCC
R6
5.1K
SCL
WP
SDA
GND
5
C10
0.1uF
4
GND
GND
7
5
VD
E2
VB
3
8
13
NC
8
SDI
VOUT
DNC
DNC
ZSset
EESCL
EEGND
SCK
4
CS/LD
GND
EESDA
7
REFLO
EEVCC
CS
6
6
JP1
VA
VC
18
MISO
2
19
MOSI/SDA
*
GND
SCK/SCL
U1
E10
21
CS
E11
VCC
REFCOMP
5V
VCC
R1
7.5K
REFIN/OUT
VUNREG
1
V+
C12
0.1uF
REF2 8
C5
0.1uF
VCC
V+
VIN
3
5
VCC
LDAC
J1
HDR2X7-079-MOLEX
VREF
U3
LT1790ACS6-1.25
GND
1
27
3
2
28
Zero Scale
GND
LTC2656BCUFD-L16
4
GND
DC1397B-B
Mid Scale
2
DC1397B-A
C11
1.0uF
opt.
JP2
U1
4
ASSEMBLY TYPE
ADCIN
*
6
VOUT
GND
VIN
3
5
GND
C1
0.1uF
opt.
2
V+
A2
A1
A0
R7
5.1K
6
7
3
2
1
U6
24LC025-I/ST
CUSTOMER NOTICE
CONTRACT NO.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
APPROVALS
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO DRAWN
J. Wu
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
ENGINEER
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
L. Chen
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
CHECKED
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
DATE
2/21/08
TECHNOLOGY
TITLE
2/21/08
LTC2656BCUFD
12/16-BIT, OCTAL DAC W/REFERENCE
SIZE CAGE CODE
APPROVED
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
Thursday, October 10, 2013 SCALE:
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
DWG NO
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