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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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BUF04701 датащи(PDF) 14 Page - Texas Instruments |
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BUF04701 датащи(HTML) 14 Page - Texas Instruments |
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14 / 30 page  V COM V DD BUF07703 R S (1) SourceDriver Gamma1 Gamma2 Gamma3 Gamma(n 2) - Gamma (n 1) - Gamma (n) (3) (1) (1) (1) (1) (1) (2) (2) (2) (2) (2) (2) BUF07703 BUF06703 BUF05703 SBOS269C – MARCH 2003 – REVISED APRIL 2010 www.ti.com APPLICATION INFORMATION The requirements on the number of gamma The BUFxx703 buffers the various nodes on the correction channels vary greatly from panel to panel. gamma correction resistor ladder. The low output Therefore, the BUFxx703 series of gamma correction impedance of the BUFxx703 forces the external buffers offers different channel combinations. The gamma correction voltage on the respective VCOM channel can be used to drive the VCOM node on reference node of the LCD source driver. Figure 35 the LCD panel. shows an example of the BUFxx703 in a typical block diagram driving an LCD source driver with 6-channel Gamma correction voltages are often generated gamma correction reference inputs. using a simple resistor ladder, as shown in Figure 35. (1) Optional; increases stability. (2) Stable without RS up to 30mF. (3) n = maximum number of gamma channels on respective BUFxx7703 devices. Figure 35. LCD Source Driver Typical Block Diagram 14 Copyright © 2003–2010, Texas Instruments Incorporated Product Folder Link(s): BUF07703 BUF06703 BUF05703 |
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