MCP6561UT-ESLASHMS datasheet(13/42 Pages) MICROCHIP

13 / 42 page

DS22139B-page 13

MCP6561/1R/1U/2/4

3.0

PIN DESCRIPTIONS

Descriptions of the pins are listed in Table 3-1.

TABLE 3-1:

PIN FUNCTION TABLE

3.1

Analog Inputs

The comparator non-inverting and inverting inputs are

high-impedance CMOS inputs with low bias currents.

3.2

Digital Outputs

The comparator outputs are CMOS, push-pull digital

outputs. They are designed to be compatible with

CMOS and TTL logic and are capable of driving heavy

DC or capacitive loads.

3.3

Power Supply (VSS and VDD)

The positive power supply pin (VDD) is 1.8V 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.

MCP6561

MCP6561R

MCP6561U

MCP6562

MCP6564

Symbol

Description

SC70-5,

SOT-23-5

MSOP,

SOIC

SOIC,

TSSOP

OUT, OUTA Digital Output (comparator A)

VIN–, VINA– Inverting Input (comparator A)

VIN+, VINA+ Non-inverting Input (comparator A)

VDD

Positive Power Supply

——

—

VINB+

Non-inverting Input (comparator B)

——

—

VINB–

Inverting Input (comparator B)

—

OUTB

Digital Output (comparator B)

—

OUTC

Digital Output (comparator C)

——

—

VINC–

Inverting Input (comparator C)

——

—

VINC+

Non-inverting Input (comparator C)

VSS

Negative Power Supply

——

—

VIND+

Non-inverting Input (comparator D)

——

—

VIND–

Inverting Input (comparator D)

—

OUTD

Digital Output (comparator D)

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