Datasheet

LTC2656
26
2656fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2009
LT 1110 REV A • PRINTED IN USA
RELATED PARTS
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
LTC1664 Quad 10-Bit V
OUT
DAC in 16-Pin Narrow SSOP V
CC
= 2.7V to 5.5V, Micropower, Rail-to-Rail Output
LTC1821 Single 16-Bit V
OUT
DAC with ±1LSB INL, DNL Parallel Interface, Precision 16-Bit Settling in 2μs for 10V Step
LTC2600/LTC2610/
LTC2620
Octal 16-/14-/12-Bit V
OUT
DACs in 16-Lead Narrow 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
LTC2605/LTC2615/
LTC2625
Octal 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
LTC2606/LTC2616/
LTC2626
Single 16-/14-/12-Bit V
OUT
DACs with I
2
C Interface 270μA per DAC, 2.7V to 5.5V Supply Range, Rail-to-Rail Output
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
LTC2636 Octal 12-/10-/8-Bit V
OUT
DACs with 10ppm/°C Reference 125μA per DAC, 2.7V to 5.5V Supply Range, Internal 1.25V or 2.048V
Reference, Rail-to-Rail Output, SPI Interface
LTC2641/LTC2642 Single 16-/14-/12-Bit V
OUT
DACs with ±1LSB INL, DNL ±1LSB (Max) INL, DNL, 3mm × 3mm DFN and MSOP Packages,
120μA Supply Current, SPI Interface
LTC2704 Quad 16-/14-/12-Bit V
OUT
DACs with ±2LSB INL,
±1LSB DNL
Software Programmable Output Ranges Up to ±10V, SPI Interface
LTC2755 Quad 16-/14-/12-Bit I
OUT
DACs with ±1LSB INL,
±1LSB DNL
Software Programmable Output Ranges Up to ±10V, Parallel Interface
TYPICAL APPLICATION
+
–
LT3080
IN
V
IN
1.2V TO 36V
V
OUTA
V
OUTB
V
OUTC
V
OUTD
V
OUTE
V
OUTF
V
OUTG
V
OUTH
7
8
10
9
20
1
3
4
13
14
15
16
CS
SCK
SDO
SDI
V
CONTROL
*PIN NUMBERS INDICATED ARE FOR THE QFN PACKAGE
OUT
2656 TA02
SET
NOTE: LT3080 MINIMUM LOAD CURRENT
IS 0.5mA
1µF
REFCOMP REFIN/OUT
C1
0.1µF
TO
MICROCONTROLLER
GND
21 19 18
GNDREFLO
PORSEL
LTC2656*
V
CC
LDAC CLR
2.2µF
V
OUT
C1
0.1µF
3
V
CC
JP2
V
CC
1
4
2
MID-SCALE
ZERO-SCALE
C1
0.1µF
R4
7.5k
Digitally Controlled Output Voltage 1.1A Supply