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
EL4083
8-Pin SO P DIP
Applications
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
4083 – 1
Top View
December 1995 Rev B
Ordering Information
Part No
Temp Range
Package
Outline
EL4083CN
b
40 C to
a
85 C 8-Pin P-DIP MDP0031
EL4083CS
b
40 C to
a
85 C 8-Pin SO
MDP0027
Manufactured under U S Patent No 5 389 840
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
EL4083C
Current Mode Four Quadrant Multiplier
Absolute Maximum Ratings
(T
A
e
25 C)
V
S
I
Z(BIAS)
I
X
I
Y
P
D
T
A
a
33V
Voltage between V
S
a
and V
S
b
a
2 4 mA
Z Bias Current
g
2 4 mA
X Input Current
g
2 4 mA
Y Input Current
Maximum Power Dissipation
See Curves
Operating Temperature Range
b
40 C to
a
85 C
EL4083
Operating Junction Temperature
EL4083
150 C
b
65 C to
a
150 C
T
ST
Storage Temperature
T
J
Important Note
All parameters having Min Max specifications are guaranteed The Test Level column indicates the specific device testing actually
performed during production and Quality inspection Elantec performs most electrical tests using modern high-speed automatic test
equipment specifically the LTX77 Series system Unless otherwise noted all tests are pulsed tests therefore T
J
e
T
C
e
T
A
Test Level
I
II
III
IV
V
Test Procedure
100% production tested and QA sample tested per QA test plan QCX0002
100% production tested at T
A
e
25 C and QA sample tested at T
A
e
25 C
T
MAX
and T
MIN
per QA test plan QCX0002
QA sample tested per QA test plan QCX0002
Parameter is guaranteed (but not tested) by Design and Characterization Data
Parameter is typical value at T
A
e
25 C for information purposes only
Electrical Characteristics
(T
A
e
25 C
Parameter
Power Supplies
Operating Supply Voltage Range
I
CC
I
CC
I
EE
I
EE
Multiplier Performance
Transfer Function (Note 5)
K Value
Total Error (Note 1)
vs Temp
Linearity (Note 2)
Bandwidth (Note 3)
X Feedthrough DC to I
XY
or I
XY
(Note 5)
Y Feedthrough DC to I
XY
or I
XY
(Note 5)
AC Feedthrough X to I
XY
or I
XY
(Note 4)
V
S
e
g
5 I
Z
e
1 6 mA) unless otherwise specified
Min
Typ
Max
Test
Level
Units
Conditions
g
4 5
g
16 5
V
S
V
S
V
S
V
S
e
e
e
e
g
15V I
Z
e
0 2 mA
g
5V I
Z
e
1 6 mA
g
15V I
Z
e
0 2 mA
g
5V I
Z
e
1 6 mA
72
42 0
95
45
85
44 0
10 0
47
95
45
12
48
I
I
I
I
I
V
mA
mA
mA
mA
(I
XY
–I
XY
)
e
K(I
X
c
I
Y
) I
Z
0 92
b
2 mA
k
I
X
I
Y
k
2 mA
T
MIN
to T
MAX
b
3 dB (See Figure 2)
I
X
e
g
2 mA I
Y
e
0 (unnulled)
I
Y
e
g
2 mA I
X
e
0 (unnulled)
I
X
e
4 mApp I
Y
e
nulled
f
e
3 58 MHz
f
e
100 MHz
I
X
e
4 mApp I
Y
e
nulled
200
0 965
g
0 5
g
1 5
0 25
225
0 15
0 15
b
80
b
28
b
50
1 01
g
2
g
3
05
16
16
I
I
IV
I
III
I
I
V
V
V
V
V
V
%FS
%FS
%FS
MHz
%FS
%FS
dB
dB
dB
dB
dB
dB
AC Feedthrough X to (I
XY
– I
XY
) (Note 4)
AC Feedthrough Y to I
XY
or I
XY
(Note 4)
AC Feedthrough Y to (I
XY
–I
XY
) (Note 4)
b
50
2
TD is 3 7in
DC
k
f
k
1 GHz
I
Y
e
4 mApp I
X
e
nulled
f
e
3 58 MHz
f
e
100 MHz
I
Y
e
4 mApp I
X
e
nulled
DC
k
f
k
1 GHz
b
64
b
26
EL4083C
Current Mode Four Quadrant Multiplier
Electrical Characteristics
Parameter
Inputs (I
X
I
Y
)
Full Scale Range
Clipping Level
Z
IN
(I
X
)
Z
IN
(I
Y
)
Input Offset Voltages
(V
OSX
V
OSY
)
Input Offset Currents (Note 5)
I
XOS
I
YOS
Nonlinearity
I
X
I
Y
Distortion I
X
(to I
XY
or I
XY
)
FRS
e
1 25
c
I
Z
(Nominal)
C
L
e
2
c
I
Z
g
2
Contd
(T
A
e
25 C V
S
e
g
5 I
Z
e
1 6 mA) unless otherwise specified
Min
Typ
Max
Test
Level
I
I
I
I
Units
Conditions
at Input Pins I
Z
e
1 6 mA
I
Z
e
0 2 mA
R
SX
e
R
SY
e
1K V
X
e
V
Y
e
0
T
MIN
to T
MAX
I
Y
e
2 mA
b
2 mA
k
I
X
k
2 mA
I
X
e
2 mA
b
2 mA
k
I
Y
k
2 mA
I
Y
e
2 mA
b
2 mA
k
I
X
k
2 mA
f
e
3 58 MHz
f
e
100 MHz
I
X
e
2 mA
b
2 mA
k
Iy
k
2 mA
f
e
3 58 MHz
f
e
100 MHz
I
Y
e
2 mA
b
2 mA
k
I
X
k
2 mA
f
e
3 58 MHz
f
e
100 MHz
I
X
e
2 mA
b
2 mA
k
I
Y
k
2 mA
f
e
3 58 MHz
f
e
100 MHz
3 58 MHz
I
Z
e
0 2 mA I
Y
e
0 25 mA
I
Z
e
0 2 mA I
X
e
0 25 mA
I
Z
e
1 6 mA I
Y
e
2 mA
I
Z
e
1 6 mA I
X
e
2 mA
3 58 MHz
I
Z
e
0 2 mA I
Y
e
0 25 mA
I
Z
e
0 2 mA I
X
e
0 25 mA
I
Z
e
1 6 mA I
Y
e
2 mA
I
Z
e
1 6 mA I
X
e
2 mA
I
X
e
I
Y
e
0
I
X
e
I
Y
e
0 (I
XY
–I
XY
)
2 85
30
30
b
4
b
12
32
40
36
g
10
g
20
48
48
a
4
a
12
g
40
I
V
I
I
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mA
mA
X
X
mV
mV
mA
nA C
%FS
%FS
dB
dB
dB
dB
dB
dB
dB
dB
%
%
%
%
deg
deg
deg
deg
mA
mA
V
mA
pA rootHz
mA
mV
mV
TD is 5 8in
01
01
b
55
b
25
b
56
b
26
b
66
b
35
b
66
b
34
06
04
Distortion I
Y
(to I
XY
or I
XY
)
Distortion I
X
(to (I
XY
b
I
XY
)
Distortion I
Y
(to (I
XY
b
I
XY
)
Diff Gain
I
X
I
Y
I
X
I
Y
Diff Phase
I
X
I
Y
I
X
I
Y
Outputs (I
XY
I
YX
)
Output I
OS
(Note 5)
Diff Output I
OS
(Note 5)
Voltage Compliance
Max Output Current Swing
Noise Spectral Density
10 Hz
k
f
k
10 MHz
I
Z
(Bias)
Current Range
Input Voltage
Input Voltage
02
0 17
01
0 05
05
05
0 05
0 05
b
15
g
1 5
g
2 85
g
0 1
g
2 0
g
3 2
g
120
g
80
I
I
V
I
V
R
L
e
50X
Tested
I
Z
e
0 2 mA
I
Z
e
1 6 mA
02
125
16
g
25
g
25
I
I
I
Note 1 Error is defined as the maximum deviation from the ideal transfer function expressed as a percentage of the full scale
output
Note 2 Linearity is defined as the error remaining after compensating for scale factor (gain) variation and input and output referred
offset errors
Note 3 Bandwidth is guaranteed using the squaring mode test circuit of Figure 4
Note 4 Relative to full scale output with full scale sinewave on signal input and zero port input nulled Specification represents
feedthrough of the fundamental
Note 5 Specifications are provisional for the EL4083
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