EL4451C
Wideband Variable-Gain Amplifier, Gain of 2
Features
General Description
The EL4451C is a complete variable gain circuit. It offers wide
bandwidth and excellent linearity while including a powerful
output voltage amplifier, drawing modest supply current.
# Complete variable-gain amplifier
with output amplifier, requires
no extra components
# Excellent linearity of 0.2%
# 70 MHz signal bandwidth
g
g
The EL4451C operates on 5V to 15V supplies and has an
analog input range of 2V, making it ideal for video signal
g
g
g
# Operates on 5V to 15V
supplies
processing. AC characteristics do not change appreciably over
g
the 5V to 15V supply range.
g
# All inputs are differential
# 400V/ms slew rate
#
b
The circuit has an operational temperature range of 40 C to
85 C and is packaged in plastic 14-pin DIP and 14-lead SO.
§
a
§
l
@
70dB attenuation 4 MHz
The EL4451C is fabricated with Elantec’s proprietary comple-
mentary bipolar process which provides excellent signal sym-
metry and is free from latch up.
Applications
# Leveling of varying inputs
# Variable filters
# Fading
# Text insertion into video
Connection Diagram
Ordering Information
Package
Ý
Outline
Part No. Temp. Range
b
b
a
40 C to 85 C 14-Pin P-DIP MDP0031
EL4451CN
EL4451CS
§
§
40 C to 85 C 14-Lead SO
a
MDP0027
§
§
4451-1
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.
©
1994 Elantec, Inc.
ELANTEC [ ELANTEC SEMICONDUCTOR ]
