
LTC2411/LTC2411-1
37
Figure 45. LTC1043 Provides Precise 4
× Reference for Excitation Voltages
APPLICATIO S I FOR ATIO
WU
UU
350
BRIDGE
0.1
F
1
F
15V
–15V
38
14
7
4
13
12
11
10V
5V
15V
U1
LTC1043
6
2
7
4
7
4
–
+
REF+
REF–
IN+
IN–
GND
VCC
2
3
4
5
6
2411 F45
1
5V
47
F
0.1
F
10V
+
17
5
15
6
18
3
2
U2
LTC1043
1
F
FILM
8
14
7
4
13
12
11
*
5V
U2
LTC1043
17
–10V
LT1236-5
1k
33
Q1
2N3904
0.1
F
15V
–15V
3
6
2
–
+
1k
33
–10V
10V
Q2
2N3906
*FLYING CAPACITORS ARE
1
F FILM (MKP OR EQUIVALENT)
SEE LTC1043 DATA SHEET FOR
DETAILS ON UNUSED HALF OF U1
LTC1150
20
200
20
200
0.1
F
10
F
+
LTC2411/
LTC2411-1