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Analog Devices Semiconductor Electronic Components Datasheet

AD539 Datasheet

Wideband Dual-Channel Linear Multiplier/Divider

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AD539 pdf
FEATURES
2-quadrant multiplication/division
2 independent signal channels
Signal bandwidth of 60 MHz (IOUT)
Linear control channel bandwidth of 5 MHz
Low distortion (to 0.01%)
Fully calibrated, monolithic circuit
APPLICATIONS
Precise high bandwidth AGC and VCA systems
Voltage-controlled filters
Video signal processing
High speed analog division
Automatic signal-leveling
Square-law gain/loss control
GENERAL DESCRIPTION
The AD539 is a low distortion analog multiplier having two
identical signal channels (Y1 and Y2), with a common X input
providing linear control of gain. Excellent ac characteristics up
to video frequencies and a −3 dB bandwidth of over 60 MHz are
provided. Although intended primarily for applications where
speed is important, the circuit exhibits good static accuracy in
computational applications. Scaling is accurately determined by
a band-gap voltage reference and all critical parameters are
laser-trimmed during manufacture.
The full bandwidth can be realized over most of the gain range
using the AD539 with simple resistive loads of up to 100 Ω.
Output voltage is restricted to a few hundred millivolts under
these conditions.
The two channels provide flexibility. In single-channel applications,
they can be used in parallel to double the output current, in
series to achieve a square-law gain function with a control range of
over 100 dB, or differentially to reduce distortion. Alternatively,
Wideband Dual-Channel
Linear Multiplier/Divider
AD539
FUNCTIONAL BLOCK DIAGRAM
AD539 6k
W1
×VY1
CHAN1 OUTPUT
6k
Z1
VX
×VY2
6k
Z2
CHAN2 OUTPUT
6k
W2
Figure 1.
they can be used independently, as in audio stereo applications,
with low crosstalk between channels. Voltage-controlled filters
and oscillators using the state-variable approach are easily
designed, taking advantage of the dual channels and common
control. The AD539 can also be configured as a divider with
signal bandwidths up to 15 MHz.
Power consumption is only 135 mW using the recommended
±5 V supplies. The AD539 is available in three versions: the J
and K grades are specified for 0 to 70°C operation and S grade is
guaranteed over the extended range of −55°C to +125°C. The J and
K grades are available in either a hermetic ceramic SBDIP (D-16)
or a low cost PDIP (N-16), whereas the S grade is available in
ceramic SBDIP (D-16) or LCC (E-20-1). The S grade is availa-
ble in MIL-STD-883 and Standard Military Drawing (DESC)
Number 5962-8980901EA versions.
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©1983–2011 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

AD539 Datasheet

Wideband Dual-Channel Linear Multiplier/Divider

No Preview Available !

AD539 pdf
AD539* Product Page Quick Links
Last Content Update: 11/01/2016
Comparable Parts
View a parametric search of comparable parts
Documentation
Application Notes
• AN-213: Low Cost, Two-Chip, Voltage -Controlled
Amplifier and Video Switch
• AN-255: Voltage-Controlled Amplifier Covers 55 dB
Range
• AN-309: Build Fast VCAs and VCFs with Analog
Multipliers
Data Sheet
• AD539 Military Data Sheet
• AD539: Wideband Dual-Channel Linear Multiplier/Divider
Data Sheet
Design Resources
• AD539 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
Discussions
View all AD539 EngineerZone Discussions
Sample and Buy
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Technical Support
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number
* This page was dynamically generated by Analog Devices, Inc. and inserted into this data sheet. Note: Dynamic changes to
the content on this page does not constitute a change to the revision number of the product data sheet. This content may be
frequently modified.


Part Number AD539
Description Wideband Dual-Channel Linear Multiplier/Divider
Maker Analog Devices
Total Page 21 Pages
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