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MCP6547T-I/SL Datasheet(PDF) 12 Page - Microchip Technology |
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MCP6547T-I/SL Datasheet(HTML) 12 Page - Microchip Technology |
12 / 32 page ![]() MCP6546/6R/6U/7/8/9 DS21714E-page 12 © 2006 Microchip Technology Inc. 3.0 PIN DESCRIPTIONS Descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE 3.1 Analog Inputs The comparator non-inverting and inverting inputs are high-impedance CMOS inputs with low bias currents. 3.2 CS Digital Input This is a CMOS, Schmitt-triggered input that places the part into a low power mode of operation. 3.3 Digital Outputs The comparator outputs are CMOS, open-drain digital outputs. They are designed to make level shifting and wired-OR easy to implement. 3.4 Power Supply (VSS and VDD) The positive power supply pin (VDD) is 1.6V to 5.5V higher than the negative power supply pin (VSS). For normal operation, the other pins are at voltages between VSS and VDD, except the output pins which can be as high as 10V above VSS. 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 a local bypass capacitor (typically 0.01 µF to 0.1 µF) within 2 mm of the VDD pin. These can share a bulk capacitor with nearby analog parts (within 100 mm), but it is not required. MCP6546 (PDIP, SOIC, MSOP) MCP6546 (SOT-23-5, SC-70-5) Symbol Description 6 1 1 4 1 6 1 OUT, OUTA Digital Output (comparator A) 24 4 1 2 2 2 VIN–, VINA– Inverting Input (comparator A) 33 3 3 3 3 3 VIN+, VINA+ Non-inverting Input (comparator A) 75 2 5 8 7 4 VDD Positive Power Supply —— — — 5 — 5 VINB+ Non-inverting Input (comparator B) —— — — 6 — 6 VINB– Inverting Input (comparator B) — — — — 7 — 7 OUTB Digital Output (comparator B) — — — — — — 8 OUTC Digital Output (comparator C) —— — — — — 9 VINC– Inverting Input (comparator C) —— — — — — 10 VINC+ Non-inverting Input (comparator C) 42 5 2 4 4 11 VSS Negative Power Supply —— — — — — 12 VIND+ Non-inverting Input (comparator D) —— — — — — 13 VIND– Inverting Input (comparator D) — — — — — — 14 OUTD Digital Output (comparator D) —— — — — 8 — CS Chip Select 1, 5, 8 — — — — 1, 5 — NC No Internal Connection |
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