MCP6561 查看數據表（PDF） - Microchip Technology

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MCP6561

1.8V Low Power Push-Pull Output Comparator

Microchip Technology 

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

MCP6561 MCP6561R MCP6561U MCP6562

SC70-5,

SOT-23-5

1

4

3

5

—

—

—

—

—

—

2

—

—

—

SOT-23-5

1

4

3

2

—

—

—

—

—

—

5

—

—

—

SOT-23-5

4

3

1

5

—

—

—

—

—

—

2

—

—

—

MSOP,

SOIC

1

2

3

8

5

6

7

—

—

—

4

—

—

—

MCP6564

SOIC,

TSSOP

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Symbol

Description

OUT, OUTA Digital Output (comparator A)

VIN–, VINA–

VIN+, VINA+

VDD

VINB+

VINB–

OUTB

Inverting Input (comparator A)

Non-inverting Input (comparator A)

Positive Power Supply

Non-inverting Input (comparator B)

Inverting Input (comparator B)

Digital Output (comparator B)

OUTC Digital Output (comparator C)

VINC–

VINC+

VSS

VIND+

VIND–

OUTD

Inverting Input (comparator C)

Non-inverting Input (comparator C)

Negative Power Supply

Non-inverting Input (comparator D)

Inverting Input (comparator D)

Digital Output (comparator D)

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.

© 2009 Microchip Technology Inc.

DS22139B-page 13

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