MCP6271-ESLASHST datasheet(12/36 Pages) MICROCHIP

12 / 36 page

MCP6271/1R/2/3/4/5

DS21810F-page 12

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

MCP6275’s VOUTA/VINB+ Pin

For the MCP6275 only, the output of op amp A is

connected directly to the non-inverting input of op amp

B; this is the VOUTA/VINB+ pin. This connection makes

it possible to provide a CS pin for duals in 8-pin

packages.

3.4

Chip Select Digital Input

This is a CMOS, Schmitt triggered input that places the

part into a low power mode of operation.

3.5

Power Supply Pins

The positive power supply (VDD) is 2.0V to 6.0V 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.

MCP6271

MCP6271R

MCP6273

Symbol

Description

PDIP, SOIC,

MSOP

SOT-23-5

PDIP, SOIC,

MSOP

SOT-23-6

VIN–

Inverting Input

VIN+

Non-inverting Input

VSS

Negative Power Supply

VOUT

Analog Output

VDD

Positive Power Supply

——

—

Chip Select

1,5,8

—

1,5

—

No Internal Connection

MCP6272

MCP6274

MCP6275

Symbol

Description

—

VOUTA

Analog Output (op amp A)

VINA–

Inverting Input (op amp A)

VINA+

Non-inverting Input (op amp A)

VDD

Positive Power Supply

—

VINB+

Non-inverting Input (op amp B)

VINB–

Inverting Input (op amp B)

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)

4114

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)

——

VOUTA /VINB+

Analog Output (op amp A)/Non-inverting Input (op amp B)

——

Chip Select

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