LTC2630
22
2630ff
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2007
LT 0612 REV F • PRINTED IN USA
relateD parts
typical application
SDI
SCK
CS/LD
1µF
1µF
Q1
2N3440
R
S
10Ω
I
OUT
V
LOOP
5.4V TO 80V
V
CC
V
OUT
FROM
OPTO-
ISOLATED
INPUTS
LTC2630-HZ
2630 TA02
3.01k
10k
1000
P
F
–
+
+
LTC2054
1k
R
OFFSET
374k
0.1%
R
GAIN
76.8k
0.1%
OPTO-ISOLATORS
500Ω
5V
10k
4N28
SDI
SCK
CS/LD
SDI
SCK
CS/LD
IN OUT
SHDN SENSE
GND
LT3010-5
Figure 5. An Optoisolated 4mA to 20mA Process Controller
PART NUMBER DESCRIPTION COMMENTS
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
LTC1663 Single 10-Bit V
OUT
DAC in SOT-23 V
CC
= 2.7V to 5.5V, 60µA, Internal reference, SMBus Interface
LTC1664 Quad 10-Bit V
OUT
DAC in 16-Pin Narrow SSOP V
CC
= 2.7V to 5.5V, Micropower, Rail-to-Rail Output
LTC1669 Single 10-Bit V
OUT
DAC in SOT-23 V
CC
= 2.7V to 5.5V, 60µA, Internal reference, I
2
C Interface
LTC1821 Parallel 16-Bit Voltage Output DAC Precision 16-Bit Settling in 2µs for 10V Step
LTC2600/LTC2610/LTC2620 Octal 16-/14-/12-Bit V
OUT
DACs in 16-Lead SSOP 250µA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
LTC2601/LTC2611/LTC2621 Single 16-/14-/12-Bit V
OUT
DACs in 10-Lead DFN 300µA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
LTC2602/LTC2612/LTC2622 Dual 16-/14-/12-Bit V
OUT
DACs in 8-Lead MSOP 300µA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
LTC2604/LTC2614/LTC2624 Quad 16-/14-/12-Bit V
OUT
DACs in 16-Lead SSOP 250µA per DAC, 2.5V to 5.5V Supply Range, Rail-to-Rail Output,
SPI Serial Interface
LTC2631 Single 12-/10-/8-Bit I
2
C V
OUT
DACs with
10ppm/°C Reference in ThinSOT
180µA per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
Selectable External Ref. Mode, Rail-to-Rail Output, I
2
C Interface
LTC2640 Single 12-/10-/8-Bit SPI V
OUT
DACs with
10ppm/°C Reference in ThinSOT
180µA per DAC, 2.7V to 5.5V Supply Range, 10ppm/°C Reference,
Selectable External Ref. Mode, Rail-to-Rail Output, SPI Interface
