DLPA2000 datasheet(32/39 Pages) TI

tên linh kiện	DLPA2000

Giải thích chi tiết về linh kiện	DLP300S 0.3-Inch 3.6-Megapixel DMD for Low Cost TI DLP짰 3D Printers

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10 Layout

10.1 Layout Guidelines

There are no specific layout guidelines for the DMD as typically DMD is connected using a board to board

connector to a flex cable. Flex cable provides the interface of data and control signals between the DLPC1438

controller and the DLP300S DMD. For detailed layout guidelines refer to the layout design files. Some layout

guideline for the flex cable interface with DMD are:

• Match lengths for the LS_WDATA and LS_CLK signals.

• Minimize vias, layer changes, and turns for the HS bus signals. Refer Figure 10-1.

• Minimum of two 100-nF decoupling capacitor close to VBIAS. Capacitor C6 and C7 in Figure 10-1.

• Minimum of two 100-nF decoupling capacitor close to VRST. Capacitor C9 and C8 in Figure 10-1.

• Minimum of two 220-nF decoupling capacitor close to VOFS. Capacitor C5 and C4 in Figure 10-1.

• Minimum of four 100-nF decoupling capacitor close to VDDI and VDD. Capacitor C1, C2, C3 and C10 in

Figure 10-1.

10.2 Layout Example

Figure 10-1. Power Supply Connections

DLP300S

DLPS214A – JULY 2021 – REVISED AUGUST 2021

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DLPA2000 bảng dữ liệu(PDF) 32 Page - Texas Instruments