LTC1043_15 Datasheet, PDF (15/16 Pages) Linear Technology – Dual Precision Instrumentation Switched Capacitor Building Block

TYPICAL APPLICATIO S
Linear Variable Differential Transformer (LVDT), Signal Conditioner
LTC1043
AMPLITUDE STABLE
SINE WAVE SOURCE
1/4 LTC1043
0.005µF
0.005µF
30k
7
8
5V
5V 4
30k _{3 +}
8
1
LT1013
2_–
4
1.5kHz
YEL-BLK
11
RD-BLUE
– 5V
10k
4.7k
1N914
BLUE
GRN
Q1
2N4338
1.2k
+
10µF
LT1004
1.2V
YEL-RED
7.5k
BLK
LVDT
12
17 –5V
LVDT = SCHAEVITZ E-100
13
14
1/4 LTC1043
100k
1µF
5₊
OUTPUT
1/2 LT1013 ^{7 0V ±2.5V}
6_–
0M 2.50M
200k
10k GAIN TRIM
5V
5V
100k
0.01µF
100k
PHASE
TRIM
3₊ 8
7
LT1011
2_–
1
1k
TO PIN 16, LTC1043
4
–5V
LTC1043 • A22
Precision Current Sensing in Supply Rails
I_IN
SHUNT CAN BE IN POSITIVE
OR NEGATIVE SUPPLY LEAD
R_SHUNT
1/2 LTC1043
7
8
V_OUT
11
1µF
12
+
1µF
13
14
16
17
0.01µF
LTC1043 • A23
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
1043fa
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