MCP6021 datasheet(15/42 Pages) MICROCHIP

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DS21685D-page 15

MCP6021/1R/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 op amp output pins are low-impedance voltage

sources.

3.2

Analog Inputs

The op amp non-inverting and inverting inputs are high-

impedance CMOS inputs with low bias currents.

3.3

Reference Voltage (VREF, )

MCP6021 and MCP6023

Mid-supply reference voltage provided by the single op

amps (except in SOT-23-5 package). This is an

unbuffered, resistor voltage divider internal to the part.

3.4

Chip Select Digital Input (CS)

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

part into a low power mode of operation.

3.5

Power Supply (VSS and VDD)

The positive power supply pin (VDD) is 2.5V to 6.0V

higher than the negative power supply pin (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 bypass capacitor.

MCP6021

MCP6021R MCP6022 MCP6023 MCP6024

Symbol

Description

PDIP,

SOIC,

MSOP,

TSSOP

(Note 1)

SOT-23-5

(Note 2)

PDIP,

SOIC,

TSSOP

PDIP,

SOIC,

TSSOP

PDIP,

SOIC,

TSSOP

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

——

—

VINB+

Non-inverting Input (op amp B)

——

—

VINB–

Inverting Input (op amp B)

——

—

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)

5—

—

VREF

Reference Voltage

——

—

Chip Select

1, 8

—

No Internal Connection

Note

The MCP6021 in the 8-pin TSSOP package is only available for I-temp (Industrial Temperature) parts.

The MCP6021R is only available in the 5-pin SOT-23 package, and for E-temp (Extended Temperature) parts.

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