MC1494P ONSEMI [ON Semiconductor], MC1494P Datasheet - Page 6

• Manufacturer Part Number: MC1494P
• Description: LINEAR FOUR-QUADRANT MULTIPLIER INTEGRATED CIRCUIT
• Manufacturer: ONSEMI [ON Semiconductor]

6
+ V R
+ V R
+ V R
GND
+V R
–V R
–V R
–V
+V
–V
+V
R1
–V
+V
2
3
15
15
15
4 – 4.3 V
5
4
5
2 + 4.3 V
3
4
5
2
1
3
– 4.3 V
+ 4.3 V
3 I 1
500
8.7 k
8.7 k
7.2 k
7.2 k
Current and Voltage
500
500
Regulator
Regulator
500
7.2 k
8.7 k
8.7 k
7.2 k
500
– 9.4 V
+ 9.4 V
+ 8.7 V
I 1 Constant
5.4 k
500
I 1
R1
Current
Source
Control
3.0 k
7.2 k
500
500
(Recommended External Circuitry is Depicted within Dotted Lines)
R1
1
I 1
I 1
V Y
R Y
9
V Y
6
V Y
7
8
9
6
9
6
10 k
This device contains 44 active transistors.
I 1
Figure 17. Internal Schematic
2.4 V
7
500
R Y
7
+
–
I 1
8
Complete Circuit
R Y
Simplified Circuit
MC1494
Block Diagram
10 k
Multiplier
500
Schematic
Four Quadrant
Schematic
Multiplier
8
I 1
10 k
11
R X
500
11
R X
+
–
12
I 1
12
I A
I B
10 k
500
10
13
I A
I B
10
13
12
+
11
V X
V X
MOTOROLA ANALOG IC DEVICE DATA
10
V X
13
R X
500
500
500
2.0 k
10 pF
2 I 1
Current Converter
500
Differential
Differential
Converter
Current
1.7 V 2 I 1
500
500
10 pF
2.0 k
(I O = I A – I B )
14
14
500
500
I O
I O
14
I O