Datasheet

14
LTC1588/LTC1589/LTC1592
1588992fa
APPLICATIO S I FOR ATIO
WUUU
Figure 3. Isolated Power Supplies for the Circuit of Figure 4
3
••
••
13
11
R1
1M
R9
10k
R2
16.9k
R3
15k
T1
CTX02-16030
D1
MMBD914
D2
MMBD914
D3
MMBD914
C3
22µF
25V
CER
24
14
5
3
2
51
3
D4
MMBD914
C22
2.2nF
1kV
E1
V
IN
5V
±5%
E5
SHDN
E7
SYNC
E6
GND
C1
4.7µF
6.3V
C2
820pF
5
6
7
14
4
RSL
PGNDPGNDGND
COLB
RT
10 1 16
CT
SYNC
COLASHDN
V
IN
LT3439
C7
0.01µF
2.2µF
5V
C8
0.01µF
C4
22µF
25V
CER
R10
10k
R4
442k
R7
442k
R5
49.9k
12V
AGND
–12V
1588992 F03
C5
33µF
25V
TANT
R6
49.9k
IN OUT
BYP
LT1761
GND ADJ
IN OUT
BYP
LT1964
GND ADJ
+
C6
33µF
25V
TANT
+
LT1121-5
V
IN
–
+
1/2 LT1469
–
+
–
+
1/2 LT1469
12-/14-/16-BIT DAC WITH SPAN ADJUST
LTC1588/LTC1589/LTC1592
R
COM
1
R1
2
V
CC
0.1µF
9
R2
R2
R1
16
R
OFS
3
7
5
V
REF
5V
6
REF
15
R
FB
I
OUT1
V
OUT
4
6
1
23
I
OUT2
2
3
*SCHOTTKY BARRIER DIODE
**FOR MULTIPLYING APPLICATIONS C3 = 15pF
ZETEX*
BAT54S
LT1001
5V
5
1
2
3
I
OUT2
AGND
GND
CLR
CS/LD
SCK
SDI
SDO
6
7
8
14
13
12
11
10
C3**
150pF
C2
15pF
1588992 F02
15V
–15V
8
4
0.1µF
0.1µF
1000pF
ALTERNATE AMPLIFIER FOR OPTIMUM SETTLING TIME PERFORMANCE
6
1
23
6
–
+
LT1468
3
ZETEX
BAT54S
2
200Ω
200Ω
I
OUT2
Figure 2. Basic Connections for SoftSpan V
OUT
DAC with Two Optional Circuits
for Driving I
OUT2
from AGND with a Force/Sense Amplifier