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BUF22821
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BUF22821

  • Category:LCD-gamma buffer
  • Product Name:Programmable gamma voltage generator and VCOM calibrator with integrated 2 banks of memory
  • Manufacturers:TI
  • Production Batch Number:08+
  • Encapsulation:38HTSSOP
  • Stock Status:There is stock
  • Stock Quantity:8000
  • Minimum order quantity: 1
  • Details:Click here to find the PDF information on BUF22821
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  • Product introduction

Programmable BUF22821 gamma channels, providing 22 programmable Wycombe distribution channels and two static gamma channels.It is ideal for driving new digital sources and requires a 22 gamma channel.

The final Gamma and Wycombe values can be stored in on-chip, non-volatile memory.To allow program errors or LCD panel rework, the BUF22821 supports up to 16 write operations for sample memory.Having two independent BUF22821 memories at the same time allows banks to store two different gamma curves to facilitate switching gamma curves.

All Gamma and Wycombe companies offer a rail-to-rail output channel within which a typical 100mV swings into orbit with one condition: either supply load.All channels are programmed using the I2C interface for standard operation, supporting and high-speed data transmission up to 400kHz 3.

characteristic
  • 24-CHANNEL GAMMA
    • 22-CHANNEL PROGRAMMABLE
    • 2-channel static gamma
  • 2-channel programmable Wycombe Corporation
  • Digital resolution
  • Non-volatile memory is emphasized separately
  • Two independent memory banks
  • Rail-to-rail output
  • Current: 0.5mA low supply/channel
  • To the supply voltage: because 20V
  • 5.5V digital supply: 2V,
  • ™I2C interface

andBUF22821Related ICs are:


Model Manufacturers lot number encapsulation illustrate
BUF22821 TI 08+ 38HTSSOP Programmable gamma voltage generator and VCOM calibrator with integrated 2 banks of memory
BUF22821AIDCPR NXP 0744+ TSSOP20  

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