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PDF EL4450CN Data sheet ( Hoja de datos )
| Número de pieza | EL4450CN | |
| Descripción | Wideband Four-Quadrant Multiplier | |
| Fabricantes | Elantec Semiconductor | |
| Logotipo |  |
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EL4450C
Wideband Four-Quadrant Multiplier
Features
• Complete four-quadrant multiplier
with output amp—requires no
extra components
• Good linearity of 0.3%
• 90 MHz bandwidth for both X and
Y inputs
• Operates on ±5V to ±15V supplies
• All inputs are differential
• 400V/µs slew rate
Applications
• Modulation/Demodulation
• RMS computation
• Real-time power computation
• Nonlinearity correction/generation
Ordering Information
Part No.
EL4450CN
EL4450CS
Temp. Range
-40°C to +85°C
-40°C to +85°C
Package
14-Pin P-DIP
14-Lead SO
Outline #
MDP0031
MDP0027
General Description
The EL4450C is a complete four-quadrant multiplier circuit. It offers
wide bandwidth and good linearity while including a powerful output
voltage amplifier, drawing modest supply current.
The EL4450C operates on ±5V supplies and has an analog input range
of ±2V, making it ideal for video signal processing. AC characteristics
do not vary over the ±5V to ±15V supply range.
The multiplier has an operational temperature range of -40°C to
+85°C and are packaged in plastic 14-pin P-DIP and SO.
Connection Diagrams
© 1995 Elantec, Inc.
1 page  
Slew Rate
vs Supply Voltage
EL4450C
Wideband Four-Quadrant Multiplier
Slew Rate
vs Die Temperature
CMRR vs Frequency
Input Voltage Noise
vs Frequency
Nonlinearity of X Input
Nonlinearity of Y Input
Bias Current
vs Die Temperature
Common-Mode Input Range
vs Supply Voltage
5
5 Page 
EL4450C
Wideband Four-Quadrant Multiplier
Figure 4. Absolute-Value Input Circuitry
An ECL comparator produces an output corresponding
to the sign of the input, which when multiplied by the
input produces an effective
absolute-value function. The RC product connected to
the X inputs simply emulates the time delay of the com-
parator to maintain circuit accuracy at higher
frequencies.
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet EL4450CN.PDF ] | |
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