LT1002 Datasheet, PDF (13/16 Pages) Linear Technology – Dual, Matched Precision Operational Amplifier

APPLICATIONS INFORMATION
Dead Zone Generator
LT1002
INPUT
**
100k
100k
**
100k
2_–
6
LM301A
3₊
8
1
2N4393
30pF
Q1
IN914
100k
15pF
2_–
LM301A
6
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_–
13
1_{/2 LT1002}
+
4
10k**
10k** _{10 –}
1_{/2 LT1002} ⁶
10k _{11 +}
15pF ^10k
2N4393
Q6
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 ^10k
–10 to 10V _0.1%
Precision Absolute Value Circuit
10k
0.1%
3_–
1_{/2 LT1002}
4₊
IN4148
13
IN4148
10k
0.1%
10k
10k
0.1%
0.1%
10 _–
6
1_{/2 LT1002}
11 ₊
OUTPUT
0 to 10V
1002 TA13
13