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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MCP3461RT-E/ST датащи(PDF) 85 Page - Microchip Technology |
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MCP3461RT-E/ST датащи(HTML) 85 Page - Microchip Technology |
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85 / 118 page  2020-2021 Microchip Technology Inc. DS20006404C-page 85 MCP3461/2/4R 7.0 BASIC APPLICATION CONFIGURATION The MCP3461/2/4R devices can be used for various precision Analog-to-Digital Converter applications. The flexibility of its usage is given by the possibility of configuring the ADC to fit the required application. 7.1 Typical Application for Absolute Voltage Measurement The MCP3461/2/4R devices are able to measure the signal provided by sensors with absolute voltage out- put. For such applications, the MCP3461/2/4R family typically uses its internal voltage reference. For the best performance, an external capacitor is recom- mended on the REFIN+/OUT pin for noise filtering and to provide more stability for the internal voltage reference (See Section 3.1 “Differential Reference Voltage Inputs: REFIN+/OUT, REFIN-”). FIGURE 7-1: MCP3464R Application Example. CH3 RG9/ADC_CS2 RG7/ADC_MISO2 RG6/ADC_SCK2 RG8/ADC_MOSI2 GND RD3/ADC_CLKIN CH1 GNDA GNDA GNDA CH0 CH2 10R 0603 5% R18 5% 10R 0603 R17 16V 0.1 μF 0603 C13 5% 10R 0603 R14 16V 0.1 μF 0603 C11 10R 0603 5% R21 10R 0603 5% R16 10R 0603 5% R20 10R 0603 5% R15 10R 0603 5% R19 16V 0.1 μF 0603 C6 16V 0.1 μF 0603 C9 5% 100 0603 R6 5% 100 0603 R12 5% 100 0603 R8 5% 100 0603 R5 16V 0.1 μF 0603 C4 16V 0.1 μF 0603 C3 3.3D 3.3A ADC GND CH5 GNDA CH4 0 0 1% 5 0603 R10 5% 100 0603 R7 16V 0.1 μF 0603 C5 16V 0.1 μF 0603 C2 CH7 GNDA CH6 5% 100 0603 R11 5% 100 0603 R9 16V 0.1 μF 0603 C8 16V 0.1 μF 0603 C7 16V 0.1 μF 0603 C14 16V 0.1 μF 0603 C12 RA14/ADC_IRQ GNDA J7 J5 J3 J1 GNDA 10uF 10V 0603 C10 GNDA Anti-Aliasing Filters RA14/ADC_IRQ 3.3D 5% 10k 0603 R22 IRQ Pull-up REFIN- 1 REFIN+/OUT 2 CH0 3 CH1 4 CH2 5 CH3 6 CH4 7 CH5 8 CH6 9 CH7 10 CS 11 SCK 12 SDI 13 SDO 14 IRQ/MDAT 15 MCLK 16 DGND 17 DV DD 18 AV DD 19 AGND 20 EP 21 MCP3464R |
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