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MC1494 Datasheet PDF : 16 Pages
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ON Semiconductort
Linear Four-Quadrant
Multiplier
The MC1494 is designed for use where the output voltage is a linear
product of two input voltages. Typical applications include: multiply,
divide, square root, mean square, phase detector, frequency doubler,
balanced modulator/ demodulator, electronic gain control.
The MC1494 is a variable transconductance multiplier with internal
level–shift circuitry and voltage regulator. Scale factor, input offsets
and output offset are completely adjustable with the use of four
external potentiometers. Two complementary regulated voltages are
provided to simplify offset adjustment and improve power supply
rejection.
• Operates with ±15 V Supplies
• Excellent Linearity: Maximum Error (X or Y) ±1.0 %
• Wide Input Voltage Range: ±10 V
• Adjustable Scale Factor, K (0.1 nominal)
• Single–Ended Output Referenced to Ground
• Simplified Offset Adjust Circuitry
• Frequency Response (3.0 dB Small–Signal): 1.0 MHz
• Power Supply Sensitivity: 30 mV/V typical
MC1494
LINEAR FOUR–QUADRANT
MULTIPLIER INTEGRATED
CIRCUIT
SEMICONDUCTOR
TECHNICAL DATA
16
1
P SUFFIX
PLASTIC PACKAGE
CASE 648C
ORDERING INFORMATION
Device
Tested Operating
Temperature Range Package
MC1494P
TA = 0° to + 70°C Plastic DIP
10
8.0
X
+
6.0
Y
KXY
4.0
2.0
k=
1
10
0
-Ă2.0
-Ă4.0
-Ă6.0
-Ă8.0
-10
-10 -Ă8.0 -Ă6.0 -Ă4.0 -Ă2.0 0 2.0 4.0 6.0 8.0 10
VX, INPUT VOLTAGE (V)
Figure 1. Multiplier Transfer Characteristic
1.00
0.75
0.50
0.25
0
-Ă50
-Ă25
0
25
50
75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 2. Linearity Error versus Temperature
© Semiconductor Components Industries, LLC, 2001
1
May, 2001 – Rev. 1
Publication Order Number:
MC1494/D
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