MCP616 datasheet(11/30 Pages) MICROCHIP

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DS21613B-page 11

MCP616/7/8/9

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 PNP inputs with low bias currents.

3.3

Chip Select Digital Input (CS)

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

MCP618 op amp into a low-power mode of operation.

3.4

Power Supply (VSS and VDD)

The positive power supply (VDD) is 2.5V to 5.5V higher

than the negative power supply (VSS). For normal

operation, the other pins are between VSS and VDD.

Typically, these parts are used in a single-supply

(positive) 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 should

use a bulk capacitor (typically 1 µF or larger) within

100 mm of the VDD pin; it can be shared with nearby

analog parts.

MCP616

MCP617

MCP618

MCP619

Symbol

Description

161

VOUT, VOUTA

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

Output (op amp B)

——

—

VOUTC

Output (op amp B)

——

—

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

Output (op amp D)

——

—

Chip Select

1, 5, 8

—

1, 5

—

No Internal Connection

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