LTC2634
30
2634fc
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 C • PRINTED IN USA
relateD parts
typical application
–
+
DAC A
DAC D
LTC2755
R
COM1
R
IN1
60
0.1µF
0.1µF
0.1µF
2
3
4
5
6
OUTA
2
3
59
1
4
8
2
58
19
5
6
7
4
–15V
15V
8
R
OFSA
R
FBA
R
VOSA
GND
I
OUT1A
I
OUT2A
V
DD
15
5V
61
0.1µF
0.1µF
OUTC
–15V
30k
LT1634-1.25
OUTB
0.1µF
64
63
62
R
EFA
–
+
1/2 LT1469
1/2 LT1469
–
+
LTC6240
15V
–15V
DAC C
+
–
+
–
DAC B
–15V
30k
–15V
30k
SERIAL
BUS
DAC A
DAC B
CS/LD
SCK
10
2634 TA02
8
9
0.1µF
1
GND
7
REF
LTC2634MSE-LMI12
V
CC
SDI
DAC C
DAC D
M9
M3
M1
OUT
V
OUT
±5V
LT1991
REF
V
EE
V
CC
8
9
10
P1
P3
P9
1
2
3
5V
0.1µF
0.1µF
4
7
5
6
15V
–15V
LT1634-1.25
LT1634-1.25
LTC2634 DACs Adjusts LTC2755-16 Offsets, Amplified with LT1991 PGA to ±5V
PART NUMBER DESCRIPTION COMMENTS
LTC2654/LTC2655 Quad 16-/12 Bit, SPI/I
2
C V
OUT
DACs with 10ppm/°C
Maximum Reference
±4LSB INL Maximum at 16 Bits and ±2mV Offset Error, Rail-to-Rail Output,
20-Lead 4mm × 4mm QFN and 16-Lead Narrow SSOP Packages
LTC2604/LTC2614/
LTC2624
Quad 16-/14-/12-Bit, SPI V
OUT
DACs with External
Reference
250µA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output, 16-Lead
SSOP Package
LTC2609/LTC2619/
LTC2629
Quad 16-/14-/12-Bit V
OUT
DACs with I
2
C Interface 250µA per DAC, 2.7V to 5.5V Supply Range, Rail-to-Rail Output with
Separate V
REF
Pins for Each DAC
LTC2635 Quad 12-/10-/8-Bit I
2
C V
OUT
DACs with 10ppm/°C
Reference
±2.5LSB INL, 2.7V to 5.5V Supply Range, 10ppm/°C Reference, External
REF Mode, 16-Pin 3mm × 3mm QFN and 10-Lead MSOP Packages
LTC2656/LTC2657 Octal 16-/12 Bit, SPI/I
2
C V
OUT
DACs with 10ppm/°C
Maximum Reference
±4LSB INL Maximum at 16 Bits and ±2mV Offset Error, Rail-to-Rail Output,
20-Lead 4mm × 5mm QFN and 16-Lead TSSOP Packages
LTC2636/LTC2637 Octal 12-/10-/8-Bit, SPI/I
2
C V
OUT
DACs with 10ppm/°C
Reference
125µA 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
LTC2630/LTC2631 Single 12-/10-/8-Bit, SPI/ I
2
C V
OUT
DACs with
10ppm/°C Reference
180µA per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference, Rail-to-
Rail Output, SC70 (LTC2630)/ThinSOT™ (LTC2631) Packages
LTC2640 Single 12-/10-/8-Bit, SPI V
OUT
DACs with 10ppm/°C
Reference
180µA per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference, External
REF Mode, Rail-to-Rail Output, ThinSOT Package
LTC1664 Quad 10-Bit, Serial V
OUT
DAC V
CC
= 2.7V to 5.5V, Micropower, Rail-to-Rail Output in 16-Pin Narrow SSOP
Amplifiers
LT1991 Precision, 100µA Gain Selectable Amplifier Gain Accuracy of 0.04%, Gains from –13 to 14, 100µA precision Op Amp
LT1469 Dual 90MHz, 22V/µs 16-Bit Accurate Operational
Amplifier
90MHz Gain Bandwidth, 125µV Offset, 900ns, 22V/µs Slew Rate Precision
Op Amp