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BUF08832
BUF08630
www.ti.com
SBOS535 –OCTOBER 2010
Programmable Gamma-Voltage Generator and High Slew Rate V
COM
with Integrated Two-Bank Memory plus 1/2 AVDD Topology
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FEATURES
DESCRIPTION
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• 10-Bit Resolution
The BUF08630 offers eight programmable gamma
channels and one programmable V
COM
channel.
• 8-Channel P-Gamma
• 1-Channel P-V
COM
The final gamma and V
COM
values can be stored in
the on-chip, nonvolatile memory. To allow for
• High Slew Rate V
COM
: 45V/ms
programming errors or liquid crystal display (LCD)
• 16x Rewritable Nonvolatile Memory
panel rework, the BUF08630 supports up to 16 write
• Two Independent Pin-Selectable Memory
operations to the on-chip memory.
Banks
The BUF08630 has two separate memory banks,
• Rail-to-Rail Output:
allowing simultaneous storage of two different gamma
– 300mV Min Swing-to-Rail (10mA)
curves to facilitate switching between gamma curves.
– > 300mA Max I
OUT
All gamma and V
COM
channels offer a rail-to-rail
• Low Supply Current output that typically swings to within 150mV of either
supply rail with a 10mA load. All channels are
• Supply Voltage: 9V to 20V
programmed using a two-wire interface that supports
• Digital Supply: 2V to 5.5V
standard operations up to 400kHz and high-speed
• Two-Wire Interface:
data transfers up to 3.4MHz.
– Supports 400kHz and 3.4MHz
For the complete BUF08630 data sheet, contact your
• 1/2 AVDD Capability TI representative.
RELATED PRODUCTS
APPLICATIONS
FEATURES PRODUCT
• TFT-LCD Reference Drivers
22-channel gamma correction buffer BUF22821
16-channel gamma correction buffer BUF16821
12-channel gamma correction buffer BUF12800
18-/20-channel programmable buffer, 10-Bit, V
COM
BUF20800
18-/20-Channel programmable buffer with memory BUF20820
Programmable V
COM
driver BUF01900
22V supply, traditional gamma buffers BUF11705
High-resolution, fully-programmable LCD bias IC for TV TPS65168
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
