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.

The EL4451C operates on ±5V to ±15V supplies and has an analog input range of ±2V, making it ideal for video signal processing. AC characteristics do not change appreciably over the g5V to ±15V supply range.

Features

• Complete variable-gain amplifier with output amplifier, requires no extra components

• Excellent linearity of 0.2%

• 70 MHz signal bandwidth

• Operates on ±5V to ±15V supplies

• All inputs are differential

• 400V/μs slew rate

• >70dB attenuation @ 4 MHz

Applications

• Leveling of varying inputs

• Variable filters

• Fading

• Text insertion into video