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The BUF08821 offers eight programmable gamma channels plus one programmable VCOM channel. The final gamma and VCOM values can be stored in the on-chip, nonvolatile memory. To allow for programming errors or liquid crystal display (LCD) panel rework, the BUF08821 supports up to 16 write operations to the on-chip memory. The BUF08821 has two separate memory ba.
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•234 10-BIT RESOLUTION
• 8-CHANNEL P-GAMMA
• 1-CHANNEL P-VCOM
• 16x REWRITABLE NONVOLATILE MEMORY
• TWO INDEPENDENT PIN-SELECTABLE MEMORY BANKS
• RAIL-TO-RAIL OUTPUT: 300mV Minimum Swing-to-Rail (10mA) > 300mA Maximum IOUT
• LOW SUPPLY CURRENT
• SUPPLY VOLTAGE: 9V to 20V
• DIGITAL SUPPLY: 2V to 5.5V
• I2C™ INTERFACE: Supports 400kHz and
3.4MHz Clock Frequency
APPLICATIONS
• TFT-LCD REFERENCE DRIVERS
BKSEL
Digital
Analog
(2.0V to 5.5V) (9V to 20V)
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DESCRIPTION
The BUF08821 offers eight programmable gamma channels plus one programmable VCOM channel.
The final gamma and VCOM values can .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | BUF08800 |
Burr-Brown |
Programmable Reference Generator and 400mA VCOM Driver |
|
| 2 | BUF08832 |
Texas Instruments |
Programmable Gamma-Voltage Generator and High Slew Rate Vcom |
|
| 3 | BUF08630 |
Texas Instruments |
Programmable Gamma-Voltage Generator and High Slew Rate Vcom |
|
| 4 | BUF01900 |
Burr-Brown |
Programmable Voltage Source |
|
| 5 | BUF01901 |
Burr-Brown |
Programmable Voltage Source |
|
| 6 | BUF03 |
Analog Devices |
High Speed Voltage Follower/Buffer |
|
| 7 | BUF04 |
Analog Devices |
Closed-Loop High Speed Buffer |
|
| 8 | BUF04701 |
Burr-Brown |
CMOS BUFFER AMPLIFIER |
|
| 9 | BUF05703 |
Texas Instruments |
Multi-Channel LCD Gamma Correction Buffer |
|
| 10 | BUF05703 |
Burr-Brown |
(BUF0x703) MULTI-CHANNEL LEC GAMMA CORRECTION BUFFER |
|
| 11 | BUF05704 |
Burr-Brown |
18-V SUPPLY MULTI-CHANNEL GAMMA CORRECTION BUFFER |
|
| 12 | BUF06703 |
Texas Instruments |
Multi-Channel LCD Gamma Correction Buffer |
|