MCP6421 datasheet(15/34 Pages) MICROCHIP

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 2013 Microchip Technology Inc.

DS25165A-page 15

MCP6421

3.0

PIN DESCRIPTIONS

Descriptions of the pins are listed in Table 3-1.

3.1

Analog Output (VOUT)

The output pin is a low-impedance voltage source.

3.2

Analog Inputs (VIN+, VIN-)

The non-inverting and inverting inputs are high-

impedance CMOS inputs with low bias currents.

3.3

Power Supply Pins (VSS, VDD)

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.

TABLE 3-1:

PIN FUNCTION TABLE

MCP6421

Symbol

Description

SC70-5, SOT-23-5

1VOUT

Analog Output

2VSS

Negative Power Supply

3VIN+

Non-inverting Input

4VIN–

Inverting Input

5VDD

Positive Power Supply

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