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MCP6031-E/MS 数据表(PDF) 13 Page - Microchip Technology |
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MCP6031-E/MS 数据表(HTML) 13 Page - Microchip Technology |
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13 / 34 page  © 2008 Microchip Technology Inc. DS22041B-page 13 MCP6031/2/3/4 3.0 PIN DESCRIPTIONS Descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE 3.1 Analog Outputs The output pins are low-impedance voltage sources. 3.2 Analog Inputs The non-inverting and inverting inputs are high- impedance CMOS inputs with low bias currents. 3.3 Chip Select Digital Input This is a CMOS, Schmitt-trigerred input that places the device into a low power mode of operation. 3.4 Power Supply Pins The positive power supply (VDD) is 1.8V to 5.5V higher than the negative power supply (VSS). For normal operation, the other pins are at voltages between VSS and VDD. Typically, these parts are used in a single (positive) supply configuration. In this case, VSS is connected to ground and VDD is connected to the supply. VDD will need bypass capacitors. MCP6031 MCP6032 MCP6033 MCP6034 Symbol Description SOT-23-5 DFN, MSOP, SOIC MSOP, SOIC DFN, MSOP, SOIC SOIC, TSSOP 16 1 6 1 VOUT, VOUTA Analog Output (op amp A) 42 2 2 2 VIN–, VINA– Inverting Input (op amp A) 33 3 3 3 VIN+, VINA+ Non-inverting Input (op amp A) 57 8 7 4 VDD Positive Power Supply —— 5 — 5 VINB+ Non-inverting Input (op amp B) —— 6 — 6 VINB– Inverting Input (op amp B) —— 7 — 7 VOUTB Analog Output (op amp B) —— — — 8 VOUTC Analog Output (op amp C) —— — — 9 VINC– Inverting Input (op amp C) —— — — 10 VINC+ Non-inverting Input (op amp C) 24 4 4 11 VSS Negative Power Supply —— — — 12 VIND+ Non-inverting Input (op amp D) —— — — 13 VIND– Inverting Input (op amp D) —— — — 14 VOUTD Analog Output (op amp D) —— — 8 — CS Chip Select — 1, 5, 8 — 1, 5 — NC No Internal Connection |
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