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MCP4432-103E/ML датащи(PDF) 71 Page - Microchip Technology |
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MCP4432-103E/ML датащи(HTML) 71 Page - Microchip Technology |
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71 / 94 page ![]() 2010 Microchip Technology Inc. DS22267A-page 71 MCP443X/5X Figure 8-10 shows possible layout implementations for an application to support the quad and dual options on the same PCB. FIGURE 8-10: Layout to Support Quad and Dual Devices. 8.6.2.3 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. TABLE 8-2: PACKAGE FOOTPRINT (1) 8.6.3 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. 8.6.4 HIGH VOLTAGE TOLERANT PINS High Voltage support (VIHH) on the Serial Interface pins is for compatibility with the non-volatile devices. Potentiometers Devices Rheostat Devices MCP44X1 MCP46X1 MCP44X2 MCP46X2 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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