LT1011/LT1011A
U
TYPICAL APPLICATIONS
Strobing
Driving Ground Referred Load
Window Detector
+
++**
+
V
V
V
2
+
2
3
R
HIGH
7
L
2
3
+
–
8
LT1011
LIMIT
–
+
7
7
3
7
LT1011
–
INPUTS*
LT1011
6
OUTPUT HIGH
1
1
INSIDE “WINDOW”
AND LOW ABOVE
HIGH LIMIT OR
TTL
STROBE
L1
4
–
V
IN
BELOW LOW LIMIT
2
3
1k
V
1011 TA07
+
–
*INPUT POLARITY IS REVERSED
1011 TA04
LT1011
WHEN USING PIN 1 AS OUTPUT
LOW
LIMIT
++
–
++
NOTE: DO NOT GROUND STROBE PIN
**V MAY BE ANY VOLTAGE ABOVE V .
1
PIN 1 SWINGS TO WITHIN ≈2V OF V
1011 TA08
Crystal Oscillator
Using Clamp Diodes to Improve Frequency Response*
CURRENT MODE
5V
2
3
10k
INPUT
+
–
(DAC, ETC)
7
LT1011
OUTPUT
D1
D2
1k
50k
2
3
8
+
–
VOLTAGE
INPUT
7
85kHz
100pF
LT1011
OUT
4
R1
GROUND OR
LOW IMPEDANCE
REFERENCE
1
10k
*SEE CURVE, “RESPONSE TIME vs INPUT STEP SIZE”
1011 TA09
10k
1011 TA10
Noise Immune 60Hz Line Sync**
High Efficiency** Motor Speed Controller
15V
5V
+
R3
1k
C1
50µF
R2
75k
R1
1k
Q1
2V
TO
25V
RMS
2N6667
5V
R1*
RMS
330k
3
2
60Hz
INPUT
8
1N4002
–
+
7
MOTOR-TACH
GLOBE 397A120-2
OUTPUT
60Hz
C1
0.22µF
LT1011
1
R2
R3*
10k
470Ω
R4
4
MOTOR TACH
27k
R6
27k
15V
8
R6
2k
R5
1011 TA11
5V
100k
2
3
R5
10k
+
–
*INCREASE R1 FOR LARGER INPUT VOLTAGES
7
C2*
C3
0.1µF
R7
1k
**LT1011 SELF OSCILLATES AT ≈60Hz CAUSING
LT1011
0.1µF
IT TO “LOCK” ONTO INCOMING LINE SIGNAL
1
1011 TA12
R4
1k
4
*R3/C2 DETERMINES OSCILLATION
FREQUENCY OF CONTROLLER
**Q1 OPERATES IN SWITCH MODE
– 5V TO
–15V
0V TO 10V
INPUT
10
Linear [ Linear ]
