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Maxim > Products > [Video]  [LED Lighting and LCD Display ICs]  [Amplifiers and Comparators] 
MAX9650, MAX9651
High-Current VCOM Drive Op Amps for TFT LCDs

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


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 328kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail
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.

Key Features   Applications/Uses
  • 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)

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

    Key Specifications:  Operational Amplifiers
    Part Number Amps. Rail to Rail AVCL VSUPPLY (Total)
    (V)    		 VSUPPLY (Total)
    (V)    		 ICC per Amp.
    (µA)    		 ICC per Amp.
    (µA)    		 VOS
    (µV)    		 CMRR @DC
    (dB)    		 PSRR @DC
    (dB)    		 Input IBIAS
    (nA)    		 Unity Gain BW
    (MHz)    		 Slew Rate
    (V/µs)    		 Low Pwr. Shutdn Package/Pins Price
    min min max typ max max typ typ max typ typ See Notes
    MAX9651  2 Input/Output 1 6 20 3700 8000 14000 80 90 1000 35 40 No
    µMAX-EP/8
    TDFN-EP/8
    		 $0.71 @1k
    MAX9650  1 95
    µMAX-EP/8
    TDFN-EP/8
    TSOT/5
    		 $0.54 @1k
    See All Operational Amplifiers (145)

    Key Specifications:  VCOM Amplifiers and Panel Repair
    Part Number Channels Peak Current
    (mA)    		 Rail to Rail BW
    (MHz)    		 Slew Rate
    (V/µs)    		 Features Programmable VSUPPLY
    (V)    		 Package/Pins Smallest Available Pckg.
    (mm2)    		 Oper. Temp.
    (°C)    		 Price
    max w/pins See Notes
    MAX9651  2 1300 Input/Output 30 40 Thermal Shutdown No 6 to 20
    µMAX-EP/8
    TDFN-EP/8
    		 10 -40 to +125 $0.71 @1k
    MAX9650  1
    µMAX-EP/8
    TDFN-EP/8
    TSOT/5
    		 8 $0.54 @1k
    See All VCOM Amplifiers and Panel Repair (7)

    Diagram
    MAX9650, MAX9651: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-4187; Rev 2; 2009-05-29
    This page last modified: 2009-08-05


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