LT1002_15 Datasheet, PDF (13/16 Pages) Linear Technology – Dual, Matched Precision Operational Amplifier

APPLICATIONS INFORMATION
Dead Zone Generator
LT1002
INPUT
100k**
100k** _{2 –}
6
LM301A
3₊
8
100k
1
Q1
30pF
2N4393
IN914
100k
15pF
2_–
6
LM301A
3₊
Q4
10k*
Q2
4.7k
1k
Q3
4.7k
15V
4.7k
V_SET
DEAD ZONE
CONTROL INPUT
0 to 5V
BIPOLAR SYMMETRY IS EXCELLENT
BECAUSE ONE DEVICE, Q2, SETS BOTH LIMITS
47pF
10k*
2k
3_–
10k**
1/2
LT1002
13
10k** _{10 –}
+
4
1/2
6
10k
LT1002
11 ₊
15pF ^10k
Q6
2N4393
V_OUT
Q5
3.3k
IN914
V_SET
V_OUT
–15V
* 1% FILM
** RATIO MATCH 0.05%
Q2, 3, 4, 5 CA 3096 TRANSISTOR ARRAY
V_IN
V_SET
1002 TA12
INPUT
–10 to 10V
10k
0.1%
Precision Absolute Value Circuit
10k
0.1%
10k
0.1%
10k
0.1%
3_–
1/2
LT1002
4₊
10k
0.1%
IN4148
13
IN4148
10 _–
1/2
6
11
LT1002
+
OUTPUT
0 to 10V
1002 TA13
1002fb
13