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MCP6231UT Datasheet(PDF) 9 Page - Microchip Technology |
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MCP6231UT Datasheet(HTML) 9 Page - Microchip Technology |
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9 / 40 page  © 2009 Microchip Technology Inc. DS21881E-page 9 MCP6231/1R/1U/2/4 3.0 PIN DESCRIPTIONS Descriptions of the pins are listed in Table 3-1 (single op amps) and Table 3-2 (dual and quad op amps). TABLE 3-1: PIN FUNCTION TABLE FOR SINGLE OP AMPS TABLE 3-2: PIN FUNCTION TABLE FOR DUAL AND QUAD OP AMPS 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 Power Supply (VSS and VDD) The positive power supply (VDD) is 1.8V to 6.0V higher than the negative power supply (VSS). For normal operation, the other pins are 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. 3.4 Exposed Thermal Pad (EP) There is an internal electrical connection between the Exposed Thermal Pad (EP) and the VSS pin; they must be connected to the same potential on the Printed Circuit Board (PCB). MCP6231 MCP6231R MCP6231U Symbol Description DFN, MSOP, PDIP, SOIC SOT-23-5 SOT-23-5 SOT-23-5 SC70 61 1 4 VOUT Analog Output 24 4 3 VIN– Inverting Input 33 3 1 VIN+ Non-inverting Input 75 2 5 VDD Positive Power Supply 42 5 2 VSS Negative Power Supply 1, 5, 8 — — — NC No Internal Connection 9 — — — EP Exposed Thermal Pad (EP); must be connected to VSS. MCP6232 MCP6234 Symbol Description MSOP, PDIP, SOIC, TDFN PDIP, SOIC, TSSOP 11 VOUTA Analog Output (op amp A) 22 VINA– Inverting Input (op amp A) 33 VINA+ Non-inverting Input (op amp A) 84 VDD Positive Power Supply 55 VINB+ Non-inverting Input (op amp B) 66 VINB– Inverting Input (op amp B) 77 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) 411 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) 9 — — Exposed Thermal Pad (EP); must be connected to VSS. |
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