LTC2636
TYPICAL APPLICATION
LTC2636 DACs Adjust LTC2755-16 Offsets, Amplified with LT1991 PGA to 5V
5V
15
V
DD
LTC2755-16
15V
15V
R
0.1μF
R
R
5V
61
64
FBA 60
OFSA
IN1
0.1μF
0.1μF
0.1μF
I
I
59 2 –
0.1μF
OUT1A
OUT2A
5
6
2k
1k
8
8
+
–
R
63
COM1
15V
1
7
DAC A
1/2 LT1469
+
OUTA
1/2 LT1469
3
2
0.1μF
4
9
1
4
8
9
10
7
M9
M3
M1
REF
V
CC
V
CC
0.1μF
0.1μF
R
0.1μF
62
VOSA
REFA
LTC2636DE-LMI12
58
6
–15V
–15V
LT1991
REF
V
= 5V
OUT
OUT
2
3
4
5
13
1
2
3
–
+
P1
P3
P9
DAC A
DAC H
DAC G
DAC F
DAC E
V
EE
OUTD
5
DAC D
4
12
11
0.1μF
DAC B
DAC C
DAC D
30k
–15V
30k
–15V
–
+
30k
–15V
–15V
–
+
OUTC
DAC C
OUTB
DAC B
10
14
30k
–15V
19
6
7
8
GND
CS/LD
SCK
SDI
SERIAL
BUS
GND
2636 TA02
RELATED PARTS
PART NUMBER
LTC1660/LTC1665
LTC1664
DESCRIPTION
COMMENTS
Octal 10/8-Bit V
DACs in 16-Pin Narrow SSOP
V
CC
V
CC
= 2.7V to 5.5V, Micropower, Rail-to-Rail Output
= 2.7V to 5.5V, Micropower, Rail-to-Rail Output
OUT
Quad 10-Bit V
DAC in 16-Pin Narrow SSOP
OUT
LTC2600/LTC2610/ Octal 16-/14-/12-Bit V
LTC2620
DACs in 16-Lead Narrow SSOP
250μA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
OUT
LTC2601/LTC2611/ Single 16-/14-/12-Bit V
LTC2621
DACs in 10-Lead DFN
300μA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
OUT
LTC2602/LTC2612/ Dual 16-/14-/12-Bit V
LTC2622
DACs in 8-Lead MSOP
DACs in 16-Lead SSOP
300μA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
OUT
LTC2604/LTC2614/ Quad 16-/14-/12-Bit V
LTC2624
250μA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
OUT
2
LTC2605/LTC2615/ Octal 16-/14-/12-Bit V
LTC2625
DACs with I C Interface
250μA per DAC, 2.7V to 5.5V Supply Range, Rail-to-Rail Output,
OUT
2
I C Interface
2
LTC2606/LTC2616/ Single 16-/14-/12-Bit V
LTC2626
DACs with I C Interface
270μA per DAC, 2.7V to 5.5V Supply Range, Rail-to-Rail Output,
OUT
2
I C Interface
2
LTC2609/LTC2619/ Quad 16-/14-/12-Bit V
LTC2629
DACs with I C Interface
250μA per DAC, 2.7V to 5.5V Supply Range, Rail-to-Rail Output
OUT
with Separate V Pins for Each DAC
REF
LTC2630
LTC2631
LTC2640
Single 12-/10-/8-Bit V
Reference in SC70
DACs with 10ppm/°C
180μA per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
Rail-to-Rail Output, SPI Interface
OUT
2
Single 12-/10-/8-Bit I C V
Reference in ThinSOT
DACs with 10ppm/°C
180μA per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
OUT
2
Selectable External Ref. Mode, Rail-to-Rail Output, I C Interface
Single 12-/10-/8-Bit V
Reference in ThinSOT
DACs with 10ppm/°C
180μA per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
Selectable External Ref. Mode, Rail-to-Rail Output, SPI Interface
OUT
2636f
LT 1108 • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
24
●
●
© LINEAR TECHNOLOGY CORPORATION 2008
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
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