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BUF11704

NOT RECOMMENDED FOR NEW DESIGNS

18-V Supply Multi-Channel Gamma Correction Buffer

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Data sheet

BUF11704

NOT RECOMMENDED FOR NEW DESIGNS
Data sheet Order now

Product details

Display type LCD bipolar, LCD unipolar IC integration Gamma buffer, VCOM Vin (min) (V) 4.5 Vin (max) (V) 18 Applications 13 to 21 inches, 21 inches and above, 7 inches or less, 7 to 13 inches Level shifter/scan driver (Ch) 0 Features Gamma buffer, VCOM or op amp Rating Catalog Operating temperature range (°C) -25 to 85
Display type LCD bipolar, LCD unipolar IC integration Gamma buffer, VCOM Vin (min) (V) 4.5 Vin (max) (V) 18 Applications 13 to 21 inches, 21 inches and above, 7 inches or less, 7 to 13 inches Level shifter/scan driver (Ch) 0 Features Gamma buffer, VCOM or op amp Rating Catalog Operating temperature range (°C) -25 to 85
HTSSOP (PWP) 28 62.08 mm² 9.7 x 6.4
  • 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.
PowerPAD is a trademark of Texas Instruments Incorporated.
All other trademarks are the property of their respective owners.
  • 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.
PowerPAD is a trademark of Texas Instruments Incorporated.
All other trademarks are the property of their respective owners.

The 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).

The 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).
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* Data sheet BUFxx704: 18-V Supply Multi-Channel Gamma Correction Buffer datasheet (Rev. F) 05 Dec 2007

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