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BUF08821TIN/a8200avaiProgrammable Gamma-Voltage Generator and Vcom Calibrator with Integrated Two-Bank Memory
BUF08821AIPWPRTIN/a2000avai8-CH Gamma-Voltage Generator and Vcom Calibrator with Integrated Two-Bank Memory 20-HTSSOP -40 to 95
BUF08821BIPWPRTIN/a359avai8-CH Gamma-Voltage Generator and Vcom Calibrator with Integrated Two-Bank Memory 20-HTSSOP -40 to 95


BUF08821 ,Programmable Gamma-Voltage Generator and Vcom Calibrator with Integrated Two-Bank MemoryELECTRICAL CHARACTERISTICSBoldface limits apply over the specified temperature range, T =–40°C to + ..
BUF08821AIPWPR ,8-CH Gamma-Voltage Generator and Vcom Calibrator with Integrated Two-Bank Memory 20-HTSSOP -40 to 95FEATURES DESCRIPTIONThe BUF08821 offers eight programmable gamma234• 10-BIT RESOLUTIONchannels plus ..
BUF08821AIPWPRG4 , Programmable Gamma-Voltage Generator and VCOM Calibrator with Integrated Two-Bank Memory
BUF08821BIPWPR ,8-CH Gamma-Voltage Generator and Vcom Calibrator with Integrated Two-Bank Memory 20-HTSSOP -40 to 95FEATURES PRODUCTOUT222-Channel Gamma Correction Buffer BUF2282116-Channel Gamma Correction Buffer B ..
BUF08832AIPWPR ,8-CH Gamma-Voltage Generator and High Slew Rate Vcom with Integrated Two-Bank Memory 20-HTSSOP -40 to 95ELECTRICAL CHARACTERISTICSBoldface limits apply over the specified temperature range, T =–40°C to + ..
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BUF08821-BUF08821AIPWPR-BUF08821BIPWPR
Programmable Gamma-Voltage Generator and Vcom Calibrator with Integrated Two-Bank Memory
BUF08821
Analog
(9V to 20V)
Digital
(2.0V to 5.5V)BKSEL¼¼
OUT1 ¼
BUF08821
Programmable Gamma-Voltage Generator and COM Calibrator with Integrated Two-Bank Memory
Checkfor Samples: BUF08821
1FEATURES DESCRIPTION

The BUF08821 offers eight programmable gamma
234• 10-BIT RESOLUTION
channels plus one programmable VCOM channel.• 8-CHANNEL P-GAMMA
The final gamma and VCOM values can be storedin• 1-CHANNEL P-VCOM
the on-chip, nonvolatile memory. To allow for• 16x REWRITABLE NONVOLATILE MEMORY programming errorsor liquid crystal display (LCD)• TWO INDEPENDENT PIN-SELECTABLE panel rework, the BUF08821 supports upto 16 writeMEMORY BANKS operationsto the on-chip memory.• RAIL-TO-RAIL OUTPUT: The BUF08821 has two separate memory banks,300mV Minimum Swing-to-Rail (10mA) allowing simultaneous storageof two different gamma> 300mA Maximum IOUT curvesto facilitate switching between gamma curves.• LOW SUPPLY CURRENT
All gamma and VCOM channels offera rail-to-rail• SUPPLY VOLTAGE: 9Vto 20V
output that typically swingsto within 150mVof either• DIGITAL SUPPLY: 2Vto 5.5V supply rail witha 10mA load. All channels are•I2 C™ INTERFACE: Supports 400kHz and programmed using anI2C interface that supports3.4MHz Clock Frequency standard operations upto 400kHz and high-speed
data transfersupto 3.4MHz.APPLICATIONS The BUF08821 is manufactured using• TFT-LCD REFERENCE DRIVERS Instruments’ proprietary, state-of-the-art,
CMOS process. This process offers very
and HIGH supply voltage operationofup The
BUF08821is offeredina HTSSOP-20 PowerPAD™
package.Itis specified from –40°Cto +85°C.
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