EL4083CN ELANTEC [Elantec Semiconductor], EL4083CN Datasheet

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EL4083CN

Manufacturer Part Number
EL4083CN
Description
Current Mode Four Quadrant Multiplier
Manufacturer
ELANTEC [Elantec Semiconductor]
Datasheet
Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ‘‘controlled document’’ Current revisions if any to these
specifications are maintained at the factory and are available upon your request We recommend checking the revision level before finalization of your design documentation
1993 Elantec Inc
Features
Applications
Ordering Information
EL4083CN
EL4083CS
Part No
Novel current mode design
Virtual ground current summing
inputs
Differential ground referenced
current outputs
High speed (both inputs)
200 MHz bandwidth
12 ns 1% settling time
Low distortion
THD
THD
Low noise (R
100 dB dynamic range
10 Hz to 20 kHz
73 dB dynamic range
10 Hz to 10 MHz
Wide supply conditions
Programmable bias current
0 2 dB gain tolerance to 25 MHz
Four quadrant multiplication
Gain control
Controlled signal summing and
multiplexing
HDTV video fading and
switching
Mixing modulating
demodulating (phase detection)
Frequency doubling
Division
Squaring
Square rooting
RMS and power measurement
Vector addition-RMS summing
CRT focus and geometry
correction
Polynomial function generation
AGC circuits
g
5 to
k
k
g
b
b
Temp Range
0 03%
0 1%
40 C to
40 C to
15V operation
a
a
L
85 C 8-Pin P-DIP MDP0031
85 C 8-Pin SO
e
10 MHz
1 MHz
50 )
Package
Outline
MDP0027
EL4083C
Current Mode Four Quadrant Multiplier
General Description
The 4083C makes use of an Elantec fully complimentary oxide
isolated bipolar process to produce a patent pending current in
current out four quadrant multiplier Input and output signal
summing and direct interface to other current mode devices can
be accomplished by simple connection to reduce component
count and preserve bandwidth The selection of an appropriate
series resistor value allows an input to accept a voltage signal of
any size and optimize dynamic range The differential outputs
offer significant performance improvements which greatly ex-
tend the usable gain control range at high frequencies The bias
current is programmable to accommodate the voltage and pow-
er dissipation constraints of the package and available systems
supplies
The devices can implement all the classic four quadrant multi-
plier applications and are uniquely well suited to gain control
and signal summing of broadband signals
Connection Diagram
Manufactured under U S Patent No 5 389 840
8-Pin SO P DIP
Top View
EL4083
4083 – 1

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EL4083CN Summary of contents

Page 1

... RMS and power measurement Vector addition-RMS summing CRT focus and geometry correction Polynomial function generation AGC circuits Ordering Information Part No Temp Range Package Outline EL4083CN 8-Pin P-DIP MDP0031 b a EL4083CS 8-Pin SO MDP0027 b a Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ‘‘controlled document’’ Current revisions if any to these ...

Page 2

EL4083C Current Mode Four Quadrant Multiplier Absolute Maximum Ratings V Voltage between V and Bias Current Z(BIAS Input Current Input Current Y P Maximum Power Dissipation D ...

Page 3

Current Mode Four Quadrant Multiplier Electrical Characteristics Parameter Conditions Inputs ( Full Scale Range FRS Clipping Level ...

Page 4

EL4083C Current Mode Four Quadrant Multiplier EL4083 Block Diagram Figure 1 4 4083 – 3 ...

Page 5

AC Test Fixture Figure 2 AC Bandwidth Test Fixture Burn-In Circuit Current Mode Four Quadrant Multiplier Top View 4083 – 5 Figure 3 Burn-In Circuit P-DIP 5 EL4083C 4083 – 4 ...

Page 6

EL4083C Current Mode Four Quadrant Multiplier 8-Pin Plastic DIP Maximum Power Dissipation vs Ambient Temperature Figure 4 Figure Bandwidth 8-Lead SO Maximum Power Dissipation vs Ambient Temperature 4083 – 6 4083 – 10 ...

Page 7

Figure 8 Output Noise Density vs I Input Offset Trim( mA) ( Figure 9 Optional External Trim Networks Figure (Typical) ZIN Z Current ...

Page 8

EL4083C Current Mode Four Quadrant Multiplier General Operating Information I Input (Bias Divisor) and Power Z Supplies The I pin is a low impedance ( Z ground current input It can accept positive current from a resistor connected to a ...

Page 9

General Operating Information Contd rameters and to some extent bandwidth while improving the signal to noise performance feed- through and control range The EL4083 is fundamentally different from con- ventional voltage mode multipliers in that the available input range can ...

Page 10

EL4083C Current Mode Four Quadrant Multiplier General Operating Information Contd Figures 16 and 17 show the total harmonic dis- tortion for the single-ended and differential re- covered outputs for a full scale A C input signal on one input and ...

Page 11

General Operating Information Figure 12 Nulled I and Response (Signal on XIN Gain Controlled by YIN) Figure 14 Nulled I and I XY Frequency Response (Signal on YIN Gain Controlled by XIN) Figure 16 (Full Level XIN ...

Page 12

EL4083C Current Mode Four Quadrant Multiplier Applications Basic Product Functions Figures 18 and 19 are the basic schematics for many of the applications of the EL4083 These can perform signal mixing frequency doubling modulation demodulation gain control voltage- controlled amplification ...

Page 13

Applications Contd (MAX (MAX Resistors omitted when using EL2260 ...

Page 14

EL4083C Current Mode Four Quadrant Multiplier Other Applications Elantec has also published an applications note covering other applications of the EL4083 These include dividers squaring and square rooting cir- cuits several RMS and power measurement cir- cuits and a wideband ...

Page 15

Macromodel Contd EV95 VBP 0 N42 0 1 EV96 N54 0 N21 0 650m EV97 N55 0 N11 0 650m EV98 N27 0 N28 0 1 EV99 N29 0 SWIN 0 1 FI10 VN-VEE VFI10 1 FI11 VCC VP-VFI11 1 ...

Page 16

EL4083C Current Mode Four Quadrant Multiplier General Disclaimer Specifications contained in this data sheet are in effect as of the publication date shown Elantec Inc reserves the right to make changes in the circuitry or specifications contained herein at any ...

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