Datasheet

LTC2430/LTC2431
38
24301f
APPLICATIO S I FOR ATIO
WUUU
C1
0.1µF
15V
3
1
2
3
21
65
4
–
+
REF
+
REF
–
IN
+
IN
–
GND
V
CC
2431 F45
LT1236-5
RN1
10k
22Ω
10V
350Ω BRIDGE
TWO ELEMENTS
VARYING
RN1
10k
Q1
2N3904
1/2
LT1112
C2
0.1µF
15V
–5V
–15V
–15V
6
7
5
8
7
+
–
RN1
10k
RN1 IS CADDOCK T914 10K-010-02
Q2, Q3
2N3906
×2
1/2
LT1112
RN1
10k
33Ω
×2
C3
47µF
C1
0.1µF
5V
5V
8
4
20Ω
20Ω
+
LTC2430/
LTC2431
Figure 45. Use Resistor Arrays to Provide Precise Matching in Excitation Amplifier