LTC2637
28
2637fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2009
LT 0610 REV B • PRINTED IN USA
PART NUMBER DESCRIPTION COMMENTS
LTC2636 Octal 12-/10-/8-Bit, SPI V
OUT
DACs with 10ppm/°C Reference 125A per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
External REF Mode, Rail-to-Rail Output, 14-Lead 4mm × 3mm
DFN and 16-Lead MSOP Packages
LTC1660/LTC1665 Octal 10/8-Bit V
OUT
DACs in 16-Pin Narrow SSOP V
CC
= 2.7V to 5.5V, Micropower, Rail-to-Rail Output
LTC2605/LTC2615/
LTC2625
Octal 16-/14-/12-Bit V
OUT
DACs with I
2
C Interface 250A per DAC, 2.7V to 5.5V Supply Range, Rail-to-Rail Output,
I
2
C Interface
LTC2600/LTC2610/
LTC2620
Octal 16-/14-/12-Bit V
OUT
DACs in 16-Lead Narrow SSOP 250A per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
LTC2656/LTC2657 Octal 16-/12 Bit, SPI/I
2
C V
OUT
DACs with 10ppm/°C Max
Reference
±4LSB INL max at 16-Bits and ±2mV Offset Error, Rail-to-Rail
Output, 20-Lead 4mm × 5mm QFN and 16-Lead TSSOP Packages
LTC2654/LTC2655 Quad 16-/12 Bit, SPI/I
2
C V
OUT
DACs with 10ppm/°C Max
Reference
±4LSB INL max at 16-Bits and ±2mV Offset Error, Rail-to-Rail
Output, 20-Lead 4mm × 4mm QFN and 16-Lead Narrow SSOP
Packages
LTC2634/LTC2635 Quad 12-/10-/8-Bit SPI/I
2
C V
OUT
DACs with 10ppm/°C
Reference
±2.5 LSB INL, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
External REF Mode, 16-Pin 3mm × 3mm QFN and 10-Lead MSOP
Packages
LTC2630/LTC2632 Single 12-/10-/8-Bit, SPI/ I
2
C V
OUT
DACs with 10ppm/°C
Reference
180A per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
Rail-to-Rail Output, in SC70 (LTC2630)/ ThinSOT
™
(LTC2631)
LTC2640 Single 12-/10-/8-Bit, SPI V
OUT
DACs with 10ppm/°C Reference 180A per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
External REF Mode, Rail-to-Rail Output, in ThinSOT
Amplifi ers
LT1991 Precision, 100µA Gain Selectable Amplifi er Gain Accuracy of 0.04%, Gains from –13 to 14, 100A Precision
Op-Amp
LT1469 Dual 90MHz, 22V/µs 16-Bit Accurate Operational Amplifi er 90MHz Gain Bandwidth, 125µV offset, 900ns , 22V/µs Slew Rate
Precision Op-Amp
RELATED PARTS
TYPICAL APPLICATION
LTC2637 DACs Adjust LTC2755-16 Offsets, Amplifi ed with LT1991 PGA to ±5V
2637 TA03
LTC2637MS-LMI12
DAC A
DAC B
DAC C
DAC D
DAC H
DAC G
DAC F
DAC E
REF
SDA
SCL
CA0
CA1
CA2
V
CC
0.1µF
0.1µF
M9
M3
M1
P1
P3
P9
8
9
10
1
2
3
LT1991
V
CC
V
EE
REF
OUT
6
V
OUT
= ±5V
0.1µF
0.1µF
5
4
7
–15V
15V
5V
1
15
14
13
12
10
7
6
GND
16
11
2
3
4
5
8
9
–
+
0.1µF
0.1µF
15V
–15V
1/2 LT1469
DAC A
8
4
1
30k
LT1634-1.25
LT1634-1.25
–15V
I
2
C
BUS
OUTA
6061
15
64
63
62
59
2
58
+
–
OUTB
R
FBA
R
VOSA
19
GND
I
OUT1A
I
OUT2A
3
2
30k
–15V
DAC B
V
DD
R
OFSA
R
IN1
R
COM1
REFA
DAC D
+
–
OUTD
DAC C
+
–
OUTC
–
+
1/2 LT1469
0.1µF
0.1µF
15V
–15V
8
4
5
6
7
0.1µF
5V
30k
–15V
30k
–15V
LTC2755
LTC6240
+
–
LT1634-1.25
LT1634-1.25
