LT1011/LT1011A
U
TYPICAL APPLICATIONS
Combining Offset Adjust and Strobe
Combining Offset Adjustment and Hystersis
+
V
+
V
5k
R *
10k
2R **
H
H
*HYSTERESIS IS ≈0.45mV/µA OF
CURRENT CHANGE IN R
20k
H
20k
5
6
**
THIS RESISTOR CAUSES HYSTERESIS
R
TTL OR CMOS
5V
L
–
–
+
TO BE CENTERED AROUND V
OS
5
6
7
1011 TA15
LT1011
LT1011
1k
+
1
1011 TA13
Direct Strobe Drive When CMOS* Logic
Uses Same V+ Supply as LT1011
Low Drift R/C Oscillator†
+
V
**
8
15V
15V
–
74HC04
×6
6
2
3
8
1k
LT1011
+
C1
0.015µF
+
1011 TA14
7
BUFFERED
OUTPUT
LT1011
4
*NOT APPLICABLE FOR TTL LOGIC
–
1
Positive Peak Detector
15V
10k*
10k*
15V
2k
3
2
8
*1% METAL FILM
10k*
INPUT
**TRW TYPE MTR-5/120ppm/°C, 25k ≤ R ≤ 200k
S
7
C1: 0.015µF = POLYSTYRENE, –120ppm/°C,
±30ppm WESCO TYPE 32-P
NOTE: COMPARATOR CONTRIBUTES ≤10ppm/°C DRIFT
LT1011
1011 TA16
2
1
+
6
FOR FREQUENCIES BELOW 10kHz
OUTPUT
LT1008
4
10k
3
†
LOW DRIFT AND ACCURATE FREQUENCY ARE
OBTAINED BECAUSE THIS CONFIGURATION
REJECTS EFFECTS DUE TO INPUT OFFSET
VOLTAGE AND BIAS CURRENT OF THE
COMPARATOR
–
8
1M**
+
100pF
C1*
2µF
1011 TA17
–15V
*MYLAR
**SELECT FOR REQUIRED RESET TIME CONSTANT
Negative Peak Detector
15V
2
–
+
1M**
3
6
8
OUTPUT
–
LT1008
8
10k
7
3
LT1011
4
2k
2
1
+
100pF
INPUT
+
C1*
2µF
1011 TA18
*MYLAR
**SELECT FOR REQUIRED RESET TIME CONSTANT
–15V
11
Linear [ Linear ]
