MCP6031 datasheet(13/30 Pages) MICROCHIP

13 / 30 page

DS22041A-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 Input (CS)

This is a CMOS, Schmitt-trigerred input that places the

MCP6033 op amp into a low-power mode of operation.

3.4

Power Supply (VSS and 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 a local bypass capacitor (typically 0.01 µF to

0.1 µF) within 2 mm of the VDD pin. These parts can

share a bulk capacitor with analog parts (typically

2.2 µF to 10 µF) within 100 mm of the VDD pin, but it is

not required.

MCP6031

MCP6032

MCP6033

MCP6034

Symbol

Description

161

VOUT, VOUTA

Analog Output (op amp A)

222

VIN–, VINA–

Inverting Input (op amp A)

333

VIN+, VINA+

Non-inverting Input (op amp A)

874

VDD

Positive Power Supply

—5

—

VINB+

Non-inverting Input (op amp B)

—6

—

VINB–

Inverting Input (op amp B)

—7

—

VOUTB

Analog Output (op amp B)

——

—

VOUTC

Analog Output (op amp C)

——

—

VINC–

Inverting Input (op amp C)

——

—

VINC+

Non-inverting Input (op amp C)

VSS

Negative Power Supply

——

—

VIND+

Non-inverting Input (op amp D)

——

—

VIND–

Inverting Input (op amp D)

——

—

VOUTD

Analog Output (op amp D)

——

—

Chip Select

1, 5, 8

—

1, 5

—

No Internal Connection

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