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MCP3913 数据表(PDF) 17 Page - Microchip Technology |
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MCP3913 数据表(HTML) 17 Page - Microchip Technology |
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17 / 82 page ![]() 2013 Microchip Technology Inc. DS20005227A-page 17 MCP3913 3.0 PIN DESCRIPTION The description of the pins are listed in Table 3-1. TABLE 3-1: SIX CHANNEL MCP3913 PIN FUNCTION TABLE MCP3913 SSOP MCP3913 UQFN Symbol Function 1 18, 35 AVDD Analog Power Supply Pin 2 37 CH0+ Non-Inverting Analog Input Pin for Channel 0 3 38 CH0- Inverting Analog Input Pin for Channel 0 4 39 CH1- Inverting Analog Input Pin for Channel 1 5 40 CH1+ Non-Inverting Analog Input Pin for Channel 1 6 1 CH2+ Non-Inverting Analog Input Pin for Channel 2 7 2 CH2- Inverting Analog Input Pin for Channel 2 8 3 CH3- Inverting Analog Input Pin for Channel 3 9 4 CH3+ Non-Inverting Analog Input Pin for Channel 3 10 7 CH4+ Non-Inverting Analog Input Pin for Channel 4 11 8 CH4- Inverting Analog Input Pin for Channel 4 12 9 CH5- Inverting Analog Input Pin for Channel 5 13 10 CH5+ Non-Inverting Analog Input Pin for Channel 5 14 15 REFIN+/OUT Non-Inverting Voltage Reference Input and Internal Reference Output Pin 15 16 REFIN- Inverting Voltage Reference Input Pin 16 17, 36 AGND Analog Ground Pin, Return Path for Internal Analog Circuitry 17, 20 21, 24, 32 DGND Digital Ground Pin, Return Path for Internal Digital Circuitry 18 22 DR Data Ready Signal Output Pin 19 5, 6, 11, 12, 13, 14, 19, 23, 34 NC No Connect (for better EMI results connect to AGND) 21 25 OSC1/CLKI Oscillator Crystal Connection Pin or External Clock Input Pin 22 26 OSC2 Oscillator Crystal Connection Pin 23 27 CS Serial Interface Chip Select Input Pin 24 28 SCK Serial Interface Clock Input Pin for SPI 25 29 SDO Serial Interface Data Output Pin 26 30 SDI Serial Interface Data Input Pin 27 31 RESET Master Reset Logic Input Pin 28 20, 33 DVDD Digital Power Supply Pin — 41 EP Exposed Thermal Pad. Must be connected to AGND or floating. |
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