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