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Single, Dual, Triple, and Quad Standard-Definition Video Filter Amplifiers with AC-Coupled Input Buffers

3.3V Standard-Definition Video Filters for Set-Top Box, TV, and DVD Applications

Product Details

Key Features

Simplified Block Diagram

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Key Features

  • Single- (MAX9586), Dual- (MAX9587), Triple- (MAX9588), and Quad- (MAX9589) Channel Devices
  • 8.5MHz, ±1dB Passband
  • 55dB Attenuation at 27MHz
  • Fixed Gain of 2V/V
  • Low Power: 4.25mA per Channel
  • 2.7V to 3.6V Single-Supply Operation
  • Small SOT23 and µMAX Packages

Applications/Uses

  • Set-Top Boxes
  • Televisions

Description

The MAX9586–MAX9589 are small, low-power, multichannel video amplifiers with integrated reconstruction filters and input clamps. Specially suited for standard-definition video signals, these devices are ideal for a wide range of television and set-top box applications.

The video signals from the outputs of a digital-to-analog converter (DAC) are AC-coupled to the inputs of the MAX9586–MAX9589. External video signals, in which the DC bias is usually not known, can also be AC-coupled to the inputs of the MAX9586–MAX9589. The input sync-tip clamps set the DC level of composite video or luma signals, and the input bias circuits set the DC level of chroma signals.

The reconstruction filter typically has ±1dB passband flatness at 8.5MHz and 55dB attenuation at 27MHz. The amplifiers have 2V/V gain and the outputs can be DC-coupled to a 75Ω load, which is the equivalent of two video loads, or AC-coupled to a 150Ω load.

The MAX9586–MAX9589 operate from a 2.7V to 3.6V single supply and are specified over the -40°C to +125°C automotive temperature range. The MAX9586–MAX9589 are offered in small SOT23 and µMAX® packages.

Simplified Block Diagram

MAX9586, MAX9587, MAX9588, MAX9589: Block Diagram MAX9586, MAX9587, MAX9588, MAX9589: Block Diagram Zoom icon

Technical Docs

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.