© 2009 Microchip Technology Inc.

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

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

normal operation, the other pins are at voltages

Typically, these parts are used in a single (positive)

need a bypass capacitor.

MCP6021

MCP6021R MCP6022 MCP6023 MCP6024

Symbol

Description

PDIP,

SOIC,

MSOP,

TSSOP

(Note 1)

SOT-23-5

SOT-23-5

(Note 2)

PDIP,

SOIC,

TSSOP

PDIP,

SOIC,

TSSOP

PDIP,

SOIC,

TSSOP

6

1

1

161

2

4

4

222

Inverting Input (op amp A)

3

3

3

333

7

5

2

874

Positive Power Supply

——

—

5

—

5

Non-inverting Input (op amp B)

——

—

6

—

6

Inverting Input (op amp B)

——

—

7

—

7

Analog Output (op amp B)

——

—

—

—

8

Analog Output (op amp C)

——

—

—

—

9

Inverting Input (op amp C)

——

—

—

—

10

Non-inverting Input (op amp C)

42

5

4

4

11

Negative Power Supply

——

—

—

—

12

Non-inverting Input (op amp D)

——

—

—

—

13

Inverting Input (op amp D)

——

—

—

—

14

Analog Output (op amp D)

5—

—

—

5

—

Reference Voltage

——

—

—

8

—

CS

Chip Select

1, 8

—

—

—

1

—

NC

No Internal Connection

Note

1:

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

2:

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