7
dc2196af
DEMO MANUAL DC2196A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
schematic Diagram
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL CAPACITORS ARE IN MICROFARADS, 0603.
B
ASSY A
U1
LTC2666-16
-Bit 16 12
LTC2666-12
*
SUFFIX
16 12
V+
V-
+5V
V-
V+
+5V
+5V
+5V
OVP
OVP
OVP
OVP
OVP
+5V
+5V
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
MARK T.
PRODUCTION
2
07-23-14
__
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
MARK T.
PRODUCTION
2
07-23-14
__
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
MARK T.
PRODUCTION
2
07-23-14
__
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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 CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
2
Wednesday, July 23, 2014
11
OCTAL 16/12-BIT +/-10V VOUT SOFT SPAN DACS
KIM T.
MARK T.
N/A
LTC2666IUH FAMILY DEMO CIRCUIT 2196A
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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 CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
2
Wednesday, July 23, 2014
11
OCTAL 16/12-BIT +/-10V VOUT SOFT SPAN DACS
KIM T.
MARK T.
N/A
LTC2666IUH FAMILY DEMO CIRCUIT 2196A
SIZE
DATE:
IC NO.
REV.
SHEET
OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035 Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
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 CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
2
Wednesday, July 23, 2014
11
OCTAL 16/12-BIT +/-10V VOUT SOFT SPAN DACS
KIM T.
MARK T.
N/A
LTC2666IUH FAMILY DEMO CIRCUIT 2196A
JP4
MSP2
1
0
JP4
MSP2
1
0
1
3
2
SCKSCK
R6 4.99k
R6 4.99k
E17
GND
E17
GND
E13
GND
E13
GND
JP2
MSP0
1
0
JP2
MSP0
1
0
1
3
2
R4 4.99k
R4 4.99k
E11
VOUT4
E11
VOUT4
C11 0.1uF
C11 0.1uF
GNDGND
E10
IOVCC
E10
IOVCC
E9
VOUT3
E9
VOUT3
SDISDI
R8 4.99k
R8 4.99k
E22
CLR
E22
CLR
C7 10uF 25V 1206
C7 10uF 25V 1206
C6 10uF 25V 1206
C6 10uF 25V 1206
R9 4.99k
R9 4.99k
WPWP
C14 0.1uF
C14 0.1uF
C15 0.1uF
C15 0.1uF
EEPROM
ARR
AY
U3
24LC025-I /ST
EEPROM
ARR
AY
U3
24LC025-I /ST
SDA
5
VCC
8
A0
1
A1
2
A2
3
GND
4
WP
7
SCL
6
E15
VOUT6
E15
VOUT6
C1 10uF 25V 1206
C1 10uF 25V 1206
E3
V-
E3
V-
R11 1k
R11 1k
C9
0.1uF
C9
0.1uF
R10 OPT
R10 OPT
E5
REF
E5
REF
SDOSDO
E28
MUX
E28
MUX
GNDGND
E12
VOUT5
E12
VOUT5
LED1 RED
LED1 RED
2
1
R2 OPT
R2 OPT
E14
TGL
E14
TGL
J1
HD2X7-079-MOLEX
J1
HD2X7-079-MOLEX
MOSI/SDA
7
EESDA
9
V+
1
5V
2
CS
6
SCK/SCL
4
EEVCC
10
MISO
5
EESCL
11
EEGND
12
AUX
14
GND
3
GND
13
GND
8
JP3
MSP1
1
0
JP3
MSP1
1
0
1
3
2
E4
GND
E4
GND
R7 4.99k
R7 4.99k
C3 0.1uF
C3 0.1uF
E31
VCC
E31
VCC
R1 OPT
R1 OPT
R3 4.99k
R3 4.99k
E2
GND
E2
GND
C12 0.1uF
C12 0.1uF
R5 4.99k
R5 4.99k
R12 4.99k
R12 4.99k
D1
BAT54C
D1
BAT54C
1
3
2
D2
BAT54C
D2
BAT54C
1
3
2
Q1
2N7002
Q1
2N7002
2
1
3
C13 0.1uF
C13 0.1uF
E6
VOUT0
E6
VOUT0
E16
VOUT7
E16
VOUT7
C5 0.01uF
C5 0.01uF
EEGNDEEGND
CS/LDCS/LD
E24
LDAC
E24
LDAC
U2 LT1761ES5-5
U2 LT1761ES5-5
BYP
4
OUT
5
VIN
1
GND
2
SHDN
3
E29
OVRTMP
E29
OVRTMP
E1
V+
E1
V+
E8
VOUT2
E8
VOUT2
C8
0.1uF
C8
0.1uF
E7
VOUT1
E7
VOUT1
JP1
REF SEL INT EXT
JP1
REF SEL INT EXT
1
3
2
U1
LTC2666
*
U1
LTC2666
*
VOUT6
22
VOUT7
23
V+
7
VOUT4
20
VOUT5
21
EP
33
TGP
17
V-
8
MUX
9
REFLO
27
GND
11
REFCOMP
26
REFLO
10
GND
29
VCC
28
LDAC
12
MSP2
1
MSP0
31
MSP1
32
IOVCC
18
VOUT1
3
OVRTMP
30
REF
25
VOUT2
4
VOUT0
2
CLR
24
SDI
16
CS/LD
13
SCK
14
SDO
15
VOUT3
5
E30
GND
E30
GND
C2 0.1uFC20.1uF
