BUF11702PWPRG4 ,10+1 Channel High Current BufferSLOS359F − MARCH 2001 − REVISED MAY 2004EQUIVALENT SCHEMATICS OF INPUTS AND OUTPUTSINPUT STAGE OF B ..
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BUF11704AIPWP ,18-v Supply Multi-Channel Gamma Correction BufferELECTRICAL CHARACTERISTICS: BUFxx704 Over operating free-air temperature range, V = 18 V, T = 25°C ..
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BUF11702-BUF11702PWP-BUF11702PWPR-BUF11702PWPRG4
10+1 Channel High Current Buffer
SLOS359F − MARCH 2001 − REVISED MAY 2004
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FEATURES Gamma Correction Channels: 10, 6 Integrated V COM Buffer Excellent Output Current Drive:
− Gamma Channels: > 30mA at
0.5V Swing to Rails(1)
− VCOM: > 150mA at
5V Swing to Rails(1) Large Capacitive Load Drive Capability Rail-to-Rail Output PowerPAD Package Low-Power/Channel: < 340µA Wide Supply Range: 4.5V to 16V Specified for 0°C to 85°C High ESD Rating: 4kV(1) See typical characteristic curves for detail.
(1) The BUF07702 is not recommended for new designs. Informa-
tion is provided for reference only. For new designs, the pin-com-
patible BUF07703 is recommended; more information can be
found at www.ti.com.
DESCRIPTIONThe BUFxx702 are a series of multi-channel buffers
targeted towards gamma correction in high-resolution
LCD panels. The number of gamma correction
channels required depends on a variety of factors and
differs greatly from design to design. Therefore, various
channel options are offered. For additional space and
cost savings, a V COM channel with higher current drive
capability is integrated in the BUF11702 and
BUF07702.
The various buffers within the BUFxx702 are carefully
matched to the voltage I/O requirements for the gamma
correction application. Each buffer is capable of driving
heavy capacitive loads and offers fast load current
switching. The VCOM channel has increased output
drive of > 100mA and can handle even larger capacitive
loads.
The BUF07702 and BUF11702 is available in the
TSSOP-PowerPAD package for dramatically
increased power dissipation capability. This way, a
large number of channels can be handled safely in one
package.
A flow-through pinout has been adopted to allow simple
PCB routing and maintain the cost-effectiveness of this
solution. All inputs and outputs of the BUFxx702
incorporate internal ESD protection circuits that prevent
functional failures at voltages up to 4kV (HBM) as
tested under MIL-STD-883C Method 3015.
