BUF11704AIPWPR ,18-v Supply Multi-Channel Gamma Correction Buffermaximum ratings may cause permanent damage to the device. These are stress ratings only, andfunctio ..
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BUF11704-BUF11704AIPWP-BUF11704AIPWPR
18-v Supply Multi-Channel Gamma Correction Buffer
FEATURES Wide Supply Range: 4.5 V to 18 V Gamma Correction Channels: 10, 6, and 4 Integrated VCOM Buffer 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) Large Capacitive Load Drive Capability Rail-to-Rail Output PowerPAD Package Low-Power/Channel: < 500 µA High ESD Rating: 8 kV HBM, 2 kV CDM,
300 V MM Specified for −25°C to +85°C(1) See Typical Characteristic curves for details.
VDD
DESCRIPTIONThe BUFxx704 are a series of multi-channel buffers
targeted towards gamma correction in high-resolution
LCD panels. They are pin-compatible with the existing
BUFxx702 and BUFxx703 families and operate at
higher supply voltages up to 18 V (19 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 number of gamma correction channels required
depends on a variety of factors and differs greatly from
design to design. Therefore, 10, 6, and 4 channel
options are offered. For additional space and cost
savings, a VCOM channel with > 100mA drive capability
is integrated into the BUF11704, BUF07704, and
BUF05704.
The BUF11704, BUF07704, BUF06704, and
BUF05704 are available in the TSSOP-28, TSSOP-20,
TSSOP-16, and TSSOP-14 PowerPAD packages 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 BUFxx704
incorporate internal ESD protection circuits that prevent
functional failures at voltages up to 8 kV (HBM), 2 kV
(CDM), and 300 V (MM).
SBOS277F − JUNE 2004 − REVISED DECEMBER 2007
18-V SUPPL Y MUL TI-CHANNEL GAMMA
CORRECTION BUFFER
BUF05704, BUF06704
BUF07704, BUF11704
