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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MCP433X датащи(PDF) 66 Page - Microchip Technology |
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MCP433X датащи(HTML) 66 Page - Microchip Technology |
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66 / 88 page  MCP433X/435X DS22242A-page 66 2010 Microchip Technology Inc. Figure 8-8 shows possible layout implementations for an application to support the quad and dual options on the same PCB. FIGURE 8-8: Layout to support Quad and Dual Devices. 8.4.2.3 PCB Area Requirements In some applications, PCB area is a criteria for device selection. Table 8-2 shows the package dimensions and area for the different package options. The table also shows the relative area factor compared to the smallest area. For space critical applications, the QFN package would be the suggested package. 8.4.3 RESISTOR TEMPCO Characterization curves of the resistor temperature coefficient (Tempco) are shown in Figure 2-11, Figure 2-32, Figure 2-52, and Figure 2-72. These curves show that the resistor network is designed to correct for the change in resistance as temperature increases. This technique reduces the end to end change is RAB resistance. 8.4.4 HIGH VOLTAGE TOLERANT PINS High voltage support (VIHH) on the Serial Interface pins supports in-circuit accommodation of split rail applications and power supply sync issues. Potentiometers Devices Rheostat Devices MCP43X1 MCP42X1 MCP43X2 MCP42X2 TABLE 8-2: PACKAGE FOOTPRINT (1) Package Package Footprint Type Code Dimensions (mm) XY 14 TSSOP ST 5.10 6.40 32.64 2.04 20 QFN ML 4.00 4.00 16.00 1 TSSOP ST 6.60 6.40 42.24 2.64 Note 1: Does not include recommended land pattern dimensions. |
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