BUF12800 Status:ACTIVE

Reference Voltage Generator for LCD Gamma Correction

      
         
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Datasheet

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  • Reference Voltage Generator for LCD Gamma Correction (Rev. D) (buf12800.pdf, 712 KB)
    05 Dec 2007 Download

 BUF12800
# Gamma Buffers12  
Vs(Min)(V)7  
Vs(Max)(V)18  
Iq per channel(Typ)(mA)1.25  
Gamma-Output Current(Typ)(mA)100  
Operating Temp Range(Celsius)-40 to 85  
Pin/Package24HTSSOP  
Number of Channels12  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

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Product Information

Features

  • 12-CHANNEL GAMMA CORRECTION
  • 10-BIT RESOLUTION
  • DOUBLE-BUFFERED DAC REGISTERS
  • INTEGRATED REFERENCE BUFFERS
  • RAIL-TO-RAIL OUTPUT
  • LOW SUPPLY CURRENT: 900µA/ch
  • SUPPLY VOLTAGE: 7V to 18V
  • DIGITAL SUPPLY: 2.3V to 5.5V
  • INDUSTRY-STANDARD TWO-WIRE INTERFACE
    • High-Speed Mode: 3.4MHz
  • HIGH ESD RATING:
    • 4kV HBM, 1kV CDM, 200V MM
  • DEMO BOARD AND SOFTWARE AVAILABLE
  • APPLICATIONS
    • TFT-LCD REFERENCE DRIVERS
    • REFERENCE VOLTAGE GENERATORS
    • INDUSTRIAL PROCESS CONTROL

PowerPAD is a registered trademark of Texas Instruments.
All other trademarks are the property of their respective owners.

Description

The BUF12800 is a programmable voltage reference generator designed for dynamic gamma correction in TFT-LCD panels. It provides 12 programmable outputs, each with 10-bit resolution.

TI’s new, small geometry, state-of-the-art, analog CMOS process allows the use of one digital-to-analog converter (DAC) per channel while still maintaining a very small chip size. This topology has the advantage of significantly increased programming speed over existing programmable buffers.

Programming of each output occurs through an industrystandard, two-wire serial interface. Unlike existing programmable buffers, the BUF12800 offers a highspeed, two-wire interface mode that allows clock speeds up to 3.4MHz. The BUF12800 features a double-buffered DAC register structure that significantly simplifies implementation of dynamic gamma control. This further reduces programming time, especially when many channels have to be updated simultaneously.

Reference pins set the high and low voltages of the output range. They are internally buffered, which simplifies design. They may be connected to external resistors to divide the output range for finer resolution of outputs.

The BUF12800 is available in a TSSOP-24 PowerPAD™ package. It is specified from –40°C to +85°C.

    

Pricing / Packaging / CAD Design Tools / Samples

Price ($US)PackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price ($US) | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsSamples
BUF12800AIPWPACTIVE-40 to 852.45 | 100uHTSSOP (PWP) | 24 View 60 | TUBE Download CAD Format for this Symbol
BUF12800AIPWPG4ACTIVE-40 to 852.45 | 100uHTSSOP (PWP) | 24 View 60 | TUBE Download CAD Format for this Symbol
BUF12800AIPWPRACTIVE-40 to 852.45 | 100uHTSSOP (PWP) | 24 View 2000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples
BUF12800AIPWPRG4ACTIVE-40 to 852.45 | 100uHTSSOP (PWP) | 24 View 2000 | LARGE T&R Download CAD Format for this SymbolPurchase Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

  TI Inventory Status Reported Distributor Inventory
BUF12800AIPWPAs of 8:58 AM GMT, 07 Sep 2008As of 8:58 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 2340 | 6 Oct 4 Weeks AmericasDigiKey >1k
 >10k | 5 Nov Rochester Electronics >1k
  AsiaWPI 70
  EuropeFarnell 55
BUF12800AIPWPG4As of 8:58 AM GMT, 07 Sep 2008As of 8:58 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 2340 | 6 Oct 4 Weeks None Reported
View Distributors
   
 >10k | 5 Nov     
BUF12800AIPWPRAs of 8:58 AM GMT, 07 Sep 2008As of 8:58 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 2001 | 27 Oct 8 Weeks None Reported
View Distributors
   
 >10k | 3 Nov     
BUF12800AIPWPRG4As of 8:58 AM GMT, 07 Sep 2008As of 8:58 AM GMT, 07 Sep 2008
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 2001 | 27 Oct 8 Weeks None Reported
View Distributors
   
 >10k | 3 Nov     
View all Distributors  

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
BUF12800AIPWP RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BUF12800AIPWPG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BUF12800AIPWPR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
BUF12800AIPWPRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Datasheets

  • Reference Voltage Generator for LCD Gamma Correction (Rev. D) (buf12800.pdf, 712 KB)
    05 Dec 2007 Download

Application Notes

  • Shelf-Life Evaluation of Lead-Free Component Finishes (szza046.htm, 8 KB)
    24 May 2004 Abstract
  • Thermal and Electrical Properties of Selected Packaging Materials (sbfa010.htm, 8 KB)
    04 Oct 2000 Abstract

More Literature

View More Literature for LCD Gamma Buffers

Tools & Software

NamePart # Company Tool / Software Type
Analog Filter DesignFILTER-DESIGNERTexas InstrumentsAnalysis Software
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Decibel CalculatorDECIBEL-CALCTexas InstrumentsCalculation Utilities
Frequency/Wavelength CalculatorFREQ-WAVE-CALCTexas InstrumentsCalculation Utilities
Noise Calculator, Generator and ExamplesOPAMP-NOISECALCTexas InstrumentsCalculation Utilities
Op Amp Gain Stage CalculatorGAIN-STAGE-CALCTexas InstrumentsCalculation Utilities
Resistor Calculator for Op Amp Gain and Zero ShiftRESISTOR-CALCTexas InstrumentsCalculation Utilities
Universal EVM for Single/Dual OpAmps without Shutdown in MSOP/SOIC/SOT-23 PackagesOPAMPEVM-SOT23Texas InstrumentsDevelopment Boards/EVMs
SPICE-Based Analog Simulation ProgramTINA-TITexas InstrumentsSimulators
MDACBufferPro Output Buffer Amplifier Selection ToolMDACBUFFERPRO Texas Instruments Application Software 
Active Filter Design ApplicationFILTERPRO Texas Instruments Application Software 

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