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ISL4089

Renesas
Part Number ISL4089
Manufacturer Renesas
Description DC-Restored Video Amplifier
Published Jun 16, 2019
Detailed Description ISL4089 DC-Restored Video Amplifier The ISL4089 is complete DC-restored monolithic video amplifier sub-system. It conta...
Datasheet PDF File ISL4089 PDF File

ISL4089
ISL4089

Overview
ISL4089 DC-Restored Video Amplifier The ISL4089 is complete DC-restored monolithic video amplifier sub-system.
It contains a high performance video amplifier and a nulling, sample-and-hold amplifier designed to establish a programmable DC output level.
When the HOLD logic input “0” is applied the DC restore function is active.
The sample-and-hold amplifier loop is closed and used to null the DC offset of the video amplifier.
This can occur during sync, or, at any time that a black level is expected.
When the HOLD input “1” is applied, the correcting voltage is stored on the video amplifier’s input coupling capacitor.
This condition must be true during active video.
The restored DC voltage l...


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