LT1078 Datasheet, PDF (16/20 Pages) Linear Technology – Micropower, Dual and Quad, Single Supply, Precision Op Amps

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