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