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High-Current VCOM Drive Op Amps for TFT LCDs

High Current and Fast Settling Time to Quickly Restore VCOM Voltage for TFT LCDs

Product Details

Key Features

Simplified Block Diagram

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Key Features

  • 1300mA Peak Output Current
  • Rail-to-Rail Inputs and Outputs
  • Operates Up to 20V
  • 40V/µs Slew Rate
  • 35MHz Bandwidth
  • 5mA Quiescent Current per Channel
  • Excellent Heat Dissipation (Exposed Pad)

Applications/Uses

  • Displays: LCD
  • Flat-Panel and Plasma TVs
  • Instrument Control Voltage Sources
  • TFT-LCD Display Panels

Description

The MAX9650/MAX9651 are single- and dual-channel VCOM amplifiers with rail-to-rail inputs and outputs. The MAX9650/MAX9651 can drive up to 1300mA of peak current per channel and operate up to 20V.

The MAX9650/MAX9651 are designed to source and sink a high current quickly to hold the VCOM voltage stable in large TFT-LCD panels.

The MAX9650/MAX9651 feature 40V/µs slew rate and 35MHz bandwidth to quickly settle outputs for 120Hz frame rate and full HD television.

The MAX9650/MAX9651 feature output short-circuit protection and thermal shutdown. These devices are available in exposed pad packages for excellent heat dissipation.

Simplified Block Diagram

MAX9650, MAX9651: Typical Operating Circuit MAX9650, MAX9651: Typical Operating Circuit 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 .