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BUF11705 Datasheet, PDF (1/17 Pages) Burr-Brown (TI) – 22 - V Supply, 10 + 1 Channel Gamma Correction Buffer
BUF11705
22-V Supply, 10+1 Channel
Gamma Correction Buffer
SBOS349 − DECEMBER 2005
FEATURES
D Wide Supply Range: 7 V to 22 V
D Gamma Correction Channels: 10
D Integrated VCOM Buffer
D Excellent Output Current Drive:
− Gamma Channels:
> 30 mA at 0.5 V Swing to Rails(1)
− VCOM:
> 100 mA typ at 2 V Swing to Rails(1)
D Large Capacitive Load Drive Capability
D Rail-to-Rail Output
D PowerPAD Package
D Low-Power/Channel: < 500 µA
D High ESD Rating: 8 kV HBM, 2 kV CDM,
300 V MM
D Specified for −25°C to +85°C
(1) See Typical Characteristic curves for details.
V DD
BUF117 05
So urce Driver
Gamma 1
DESCRIPTION
The BUF11705 is a multi-channel buffer targeted
towards gamma correction in high-resolution LCD
panels. It is pin-compatible with the existing BUF11702
and BUF11704 and operates at higher supply voltages
up to 22 V (24 V absolute max). The higher supply
voltage enables faster response times and brighter
images in large-screen LCD panels. This is especially
important in LCD TV applications.
The BUF11705 offers 10 gamma channels. For
additional space and cost savings, a VCOM channel with
> 100 mA drive capability is integrated into the
BUF11705.
The BUF11705 is available in the TSSOP-28,
PowerPAD package for dramatically increased power
dissipation capability. This allows, a large number of
channels to be handled safely in one package.
A flow-through pinout has been adopted to allow
simple PCB routing and maintain cost-effectiveness. All
inputs and outputs of the BUF11705 incorporate
internal ESD protection circuits that prevent functional
failures at voltages up to 8 kV (HBM), 2 kV (CDM), and
300 V (MM).
Gamma 2
Gamma 3
Gamma (n − 2)
Gamma (n − 1)
Gamma (n)
VCOM
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.
PowerPAD is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright  2005, Texas Instruments Incorporated
www.ti.com