MCP6141 datasheet(11/34 Pages) MICROCHIP

11 / 34 page

DS21668B-page 11

MCP6141/2/3/4

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-imped-

ance CMOS inputs with low bias currents.

3.3

CS Digital Input

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

part into a low-power mode of operation.

3.4

Power Supply (VSS and VDD)

The positive power supply pin (VDD) is 1.4V to 5.5V

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 local bypass capacitor (typically 0.01

μF to

0.1

μF) within 2 mm of the VDD pin. These can share a

bulk capacitor with nearby analog parts (within

100 mm), but it is not required.

MCP6141

(PDIP,

SOIC,

MSOP)

MCP6141

(SOT-23-5)

MCP6142

MCP6143

(PDIP,

SOIC,

MSOP)

MCP6143

(SOT-23-6)

MCP6144

Symbol

Description

611

VOUT,VOUTA Analog Output (op amp A)

242

VIN–, VINA–

Inverting Input (op amp A)

333

VIN+, VINA+

Non-inverting Input (op amp A)

764

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)

——

—

Chip Select

1, 5, 8

—

1, 5

—

No Internal Connection

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