LTC2704-14 Linear Technology Corporation, LTC2704-14 Datasheet - Page 20

• Manufacturer Part Number: LTC2704-14
• Description: Ltc2704-14 - Quad 14-bit Voltage Output Softspan Dac With Readback
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO
RELATED PARTS
PART NUMBER
LT
LT1236
LTC1588/LTC1589
LTC1592
LTC1595
LTC1596
LTC1597
LTC1650
LTC1857/LTC1858
LTC1859
LT1970
LTC2704
20
®
1019
–15V
15V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
4.7µF
4.7µF
25V
25V
–15V
15V
Evaluation Board Schematic. Force/Sense Lines Allow for Remote Sensing and Optimal Grounding
20k
OFFSET ADJUSTMENT
DESCRIPTION
Precision Reference
Precision Reference
12-/14-/16-Bit, Serial, SoftSpan I
16-Bit Serial Multiplying I
16-Bit Serial Multiplying I
16-Bit Parallel, Multiplying DAC
16-Bit Serial V
12-/14-/16-Bit, Serial 100ksps SoftSpan ADC
500mA Power Op Amp
0.1µF
REFMx
REFx
FOR VOSA, VOSB,
●
15V
VOSC, VOSC
7V
FAX: [phone]
V
S
1
1
2
0.1µF
V
2
2
LT1236ACS8-5
IN
VOSx
V
OUT
S
GND
GND1
REGULATOR
4
TRIM
V
DAC
4
REMOTE
REMOTE
U
OUT
RFLAG
V
LT1790ACS6-5
GND
IN
REF
5V
5V
6
5
1
●
5V
OUT
OUT
V
www.linear.com
REF1
DD
GND
V
1k
1
2
3
1
2
3
1
2
3
OUT
4.7µF
DAC in SO-8
DAC
2
REF1
5V
REF2
5V
V
5V
DD
CLR
REF1
REF2
6
OUT
0.1µF
V
DACs
DD
1
LDAC
10k
4.7µF
BAT54S
INTERFACE
V
S
0.1µF
V
3
2
2
DD
V
SPI
DD
10k
V
GND1
GND2
LT1236ACS8-5
IN
15V
REFM1
REFM2
1µF
CS/LD
SRO
SCK
GND
SDI
GND2
V
DD
4
TRIM
V
OUT
COMMENTS
Ultralow Drift, 3ppm/°C, 0.05% Accuracy
Ultralow Drift, 10ppm/°C, 0.05% Accuracy
Software-Selectable Spans, ±1LSB INL/DNL
±1LSB Max INL/DNL, Low Glitch, DAC8043 16-Bit Upgrade
±1LSB Max INL/DNL, Low Glitch, AD7543/DAC8143 16-Bit Upgrade
±1LSB Max INL/DNL, Low Glitch, 4 Quadrant Resistors
Low Power, Low Gritch, 4-Quadrant Multiplication
Software-Selectable Spans, 40mW, Fault Protected to ±25V
Adjustable Sink/Source Current Limits
10
11
12
13
14
35
43
44
21
24
23
14
33
32
9
2
LDAC
CS/LD
SDI
SRO
SCK
CLR
RFLAG
REFG1
REF1
REFM1
REFG2
REF2
REFM2
V
GND
AGND
6
5
V
DD
+
5V
1
25
1µF
REF2
V
LTC2704
+
2
42
4.7µF
AGNDD
V
AGNDA
AGNDB
AGNDC
–
VOSD
OUTD
VOSA
OUTA
VOSB
OUTB
VOSC
OUTC
RFBD
RFBA
RFBB
RFBC
1,8,15,22,31,36
C1D
C1A
C1B
C1C
1µF
GND1
4
5
7
6
3
40
39
37
38
41
27
28
30
29
26
19
18
16
17
20
1
BAT54S
VOSA
VOSB
VOSC
VOSD
GND1
GND1
GND2
GND2
1µF
–15V
3
2
BAV99LT1
BAV99LT1
BAV99LT1
BAV99LT1
1
2
3
GND1
© LINEAR TECHNOLOGY CORPORATION 2006
TIE
REMOTE
1
2
3
1
2
3
1
2
3
1
2
3
OUTA
OUTB
OUTC
OUTD
OUTSC
OUTC
OUTSD
OUTD
OUTSA
OUTA
OUTSB
OUTB
TIE
REMOTE
TIE
REMOTE
TIE
REMOTE
TIE
REMOTE
LT/LWI 0806 • PRINTED IN THE USA
GND2
1
BAT54S
3
2
1
2
3
GND2
TIE
REMOTE
2704f