Linear Technology LTC2752 Dual 16-Bit SoftSpan IOUT DAC with Serial SPI Interface Demo Board, req DC590B DC1684A-B DC1684A-B Data Sheet
Product codes
DC1684A-B
LTC2752
2752f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 0510 • PRINTED IN USA
relaTeD parTs
Typical applicaTion
R
OFSA
47, 48
5, 6
45, 46
39, 40
R
INA
REFA
1, 2
R
COMA
3
R
OFSB
R
COMB
REFB
37, 38
11
12
13
14
31, 32
34
35, 36
C5
100pF
2752 TA02
V
OUT
DACB
LT1012A
LT1012A
15V
–15V
–
+
7
6
3
2
4
2
3
4
7 6
I
OUT2B
GND
28, 29
7, 10, 15, 17, 18, 27, 30
C4
27pF
15V
–15V
I
OUT1B
R
FBB
41
+
–
V
OSADJA
GE
ADJA
–15V
15V
–
+
7
6
3
2
4
LTC2752
R
INB
26
V
DD
V
OSADJB
GE
ADJB
5V REFERENCE
16
4
43
33
42
M-SPAN
22
S0
23
S1
24
S2
25
SDI
CS/LD
SCK SRO
SDI
CS1
SCK SRO
LDAC
19
CLR
LT1236-5
IN
OUT
4
6
2
15V
CS2
SDI
SPI BUS
SCK
4
6
5
6
5
C2
0.1µF
C7
10µF
C6
10µF
10k
10k
REF
V
OUTA
V
OUTB
V
OUTC
V
OUTD
2
3
8
9
3
8
9
V
CC
10, 11
GND
LTC2634-MSELMX12
7
1
C1
100pF
V
OUT
DACA
2
3
4
7 6
I
OUT2A
8, 9
C3
27pF
15V
–15V
I
OUT1A
R
FBA
44
+
–
LT1468
LT1468
CS/LD
SDI
SCK
SDI
SCK
SPI BUS
10
7
4
1
6
+
–
LT1991
450k
450k
450k
10
1
6
LT1991
10
1
6
LT1991
10
1
6
LT1991
15V
–15V
Digitally Controlled Offset and Gain Trim Circuit. Powering V
DD
from LT1236 Ensures Quiet Supply
PART NUMBER
DESCRIPTION
COMMENTS
LTC2757
Single Parallel 18-Bit I
OUT
SoftSpan DAC
±1LSB INL/DNL, Software-Selectable Ranges, 7mm
× 7mm LQFP-48 Package
LTC2754
Quad Serial 16-Bit/12-Bit I
OUT
SoftSpan DACs
±1LSB INL/DNL, Software-Selectable Ranges, 7mm
× 8mm QFN-52 Package
LTC2751
Single Parallel 16-Bit/14-Bit/12-Bit I
OUT
SoftSpan DAC ±1LSB INL/DNL, Software-Selectable Ranges, 5mm × 7mm QFN-38 Package
LTC2753
Dual Parallel 16-Bit/14-Bit/12-Bit I
OUT
SoftSpan DACs ±1LSB INL/DNL, Software-Selectable Ranges, 7mm × 7mm QFN-48 Package
LTC2755
Quad Parallel 16-Bit/14-Bit/12-Bit I
OUT
SoftSpan DACs ±1LSB INL/DNL, Software-Selectable Ranges, 9mm × 9mm QFN-64 Package
LTC1590
Dual Serial 12-Bit Multiplying I
OUT
DAC
± 0.5LSB INL/DNL 2-Quadrant, 16-Pin Narrow SO and PDIP Packages
LTC1592
Single Serial 16-Bit/14-Bit/12-Bit I
OUT
SoftSpan DAC
±1LSB INL/DNL, Software-Selectable Ranges, 16-Lead SSOP Package
LTC1591/LTC1597 Single Parallel 16-Bit/14-Bit I
OUT
DACs
±1LSB INL/DNL, Integrated 4-Quadrant Resistors, 28-Lead SSOP Package
LTC2704
Quad Serial 16-Bit/14-Bit/12-Bit V
OUT
SoftSpan DACs ±1LSB INL/DNL, Software-Selectable Ranges, Integrated Amplifiers
References
LTC6655
LTC6655
Precision Reference
0.025% Maximum Tolerance, 0.25ppm
P-P
0.1Hz to 10Hz Noise
LT1027
Precision Reference
2ppm/°C Maximum Drift
LT1236A-5
Precision Reference
0.05% Maximum Tolerance, 1ppm
P-P
0.1Hz to 10Hz Noise
Amplifiers
LT1012
LT1012
Precision Operational Amplifier
25µV Max Offset, 100pA Max Bias Current, 0.5µV
P-P
Noise, 380µA Supply
Current
LT1001
Precision Operational Amplifier
25µV Max Offset, 0.3µV
P-P
Noise, High Output Drive
LT1468/LT1469
Single/Dual 16-Bit Accurate Op-Amp
90MHz GBW, 22V/μs Slew Rate, 0.3µV
P-P
Noise