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AD633AN Datasheet(HTML) 1 Page - Analog Devices

Part No. AD633AN
Description  Low Cost Analog Multiplier
Download  8 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD633AN Datasheet(HTML) 1 Page - Analog Devices

   
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REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD633
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999
Low Cost
Analog Multiplier
CONNECTION DIAGRAMS
8-Lead Plastic DIP (N) Package
AD633JN/AD633AN
1
2
3
4
8
7
6
5
1
10V
X1
X2
Y1
Y2
W
Z
+VS
–VS
A
1
1
8-Lead Plastic SOIC (SO-8) Package
AD633JR/AD633AR
1
2
3
4
8
7
6
5
1
10V
X1
X2
Y1
Y2
W
Z
+VS
–VS
A
1
1
W =
(X1 – X2) (Y1 – Y2)
+ Z
10V
FEATURES
Four-Quadrant Multiplication
Low Cost 8-Lead Package
Complete—No External Components Required
Laser-Trimmed Accuracy and Stability
Total Error Within 2% of FS
Differential High Impedance X and Y Inputs
High Impedance Unity-Gain Summing Input
Laser-Trimmed 10 V Scaling Reference
APPLICATIONS
Multiplication, Division, Squaring
Modulation/Demodulation, Phase Detection
Voltage-Controlled Amplifiers/Attenuators/Filters
PRODUCT DESCRIPTION
The AD633 is a functionally complete, four-quadrant, analog
multiplier. It includes high impedance, differential X and Y
inputs and a high impedance summing input (Z). The low im-
pedance output voltage is a nominal 10 V full scale provided by
a buried Zener. The AD633 is the first product to offer these
features in modestly priced 8-lead plastic DIP and SOIC packages.
The AD633 is laser calibrated to a guaranteed total accuracy of
2% of full scale. Nonlinearity for the Y-input is typically less
than 0.1% and noise referred to the output is typically less than
100
µV rms in a 10 Hz to 10 kHz bandwidth. A 1 MHz band-
width, 20 V/
µs slew rate, and the ability to drive capacitive loads
make the AD633 useful in a wide variety of applications where
simplicity and cost are key concerns.
The AD633’s versatility is not compromised by its simplicity.
The Z-input provides access to the output buffer amplifier,
enabling the user to sum the outputs of two or more multipliers,
increase the multiplier gain, convert the output voltage to a
current, and configure a variety of applications.
The AD633 is available in an 8-lead plastic DIP package (N)
and 8-lead SOIC (R). It is specified to operate over the 0
°C to
+70
°C commercial temperature range (J Grade) or the –40°C to
+85
°C industrial temperature range (A Grade).
PRODUCT HIGHLIGHTS
1. The AD633 is a complete four-quadrant multiplier offered in
low cost 8-lead plastic packages. The result is a product that
is cost effective and easy to apply.
2. No external components or expensive user calibration are
required to apply the AD633.
3. Monolithic construction and laser calibration make the de-
vice stable and reliable.
4. High (10 M
Ω) input resistances make signal source loading
negligible.
5. Power supply voltages can range from
±8 V to ±18 V. The
internal scaling voltage is generated by a stable Zener diode;
multiplier accuracy is essentially supply insensitive.


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