CA3094, CA3094A, CA3094B
Typical Applications (Continued)
150kΩ
+15V
300kΩ
INPUT
R (NOTE 17)
51kΩ
3
5
7
8
-
CA3094A
R1
100kΩ
2
+
6
4
R2
100kΩ
NOTES:
17. R = -R--R--1---1--+--R--R--2---2- .
18. ±Threshold = [±Supply] -R----1---R--+--1--R-----2- .
+15V
2kΩ
OUTPUT
INPUT
51kΩ
RA
200kΩ
5
7
8
3
-
CA3094
2
+
RB
200kΩ
6
4
R1
100kΩ
2kΩ
OUTPUT
-15V
NOTES:
19. Upper Threshold = [V+] ------------------R----B------------------- .
-R---R-1---1--+--R--R--A---A--
+
RB
20.
Lower Threshold = [V+] ------------R------R--1------1----+----R-----R---B------B-------------- .
-R---R-1---1--+--R--R--B---B--
+
RA
FIGURE 18A. DUAL SUPPLY
FIGURE 18B. SINGLE SUPPLY
FIGURE 18. COMPARATORS (THRESHOLD DETECTORS) DUAL AND SINGLE SUPPLY TYPES
117V
60Hz
TYPE
D1201F
PTC TEMP.
SENSOR
10Ω
+ 50µF
- 50V
68kΩ
26V
60Hz
10kΩ
75kΩ TEMP.
SET
R
75kΩ
75kΩ
1N914
1.5MΩ
1N914
330kΩ
7
5
1.5kΩ
8
2
CA3094
6
3
4
HEATER
MT2
G MT1
1kΩ
0.01µF
FOR NTC SENSOR, INTERCHANGE POSITION OF SENSOR AND R .
NOTE: All Resistors are 1/2W.
FIGURE 19. TEMPERATURE CONTROLLER
3-9