Datasheet

16
LT1078/LT1079
10789fe
TYPICAL APPLICATIONS
U
Micropower Dead Zone Generator
–
+
2
3
1
1/4 LT1079
510k
1M**
1M**
1M*
Q1
2N4393
–
+
6
5
7
1/4 LT1079
–
+
9
10
8
1/4 LT1079
–
+
13
12
14
1/4 LT1079
1M**
Q4
Q2 Q3
470k
1M*
GAIN
200k
510k
1M**
510k
4
11
9V
1M
1M 680k
1M
1N914
1N914
Q5
–9V
Q6
2N4393
1000pF
V
SET
DEAD ZONE
CONTROL INPUT
0.4V TO 5V
V
OUT
LT1078/79 • TA12
BIPOLAR SYMMETRY IS EXCELLENT
BECAUSE ONE DEVICE, Q2,
SETS BOTH LIMITS
SUPPLY CURRENT ≈ 240µA
BANDWIDTH = 150kHz
INPUT
*
**
1% FILM
RATIO MATCH 0.05%
Q2, Q3, Q4, Q5 CA3096 TRANSISTOR ARRAY
V
SET
V
SET
V
OUT
V
IN