MCP6546T-I/P Microchip Technology, MCP6546T-I/P Datasheet

MCP6546T-I/P

Manufacturer Part Number

MCP6546T-I/P

Description

Push-Pull Output Sub-Microamp Comparator

Manufacturer

Microchip Technology

Datasheet

1.MCP6546T-IP.pdf (30 pages)

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Features

• Low Quiescent Current: 600 nA/comparator (typ.)

• Rail-to-Rail Input: V

• Open Drain Output: V

• Propagation Delay 4 µs (typ)

• Wide Supply Voltage Range: 1.6V to 5.5V

• Available in Single, Dual, and Quad

• Chip Select (CS) with MCP6548

• Low Switching Current

• Internal Hysteresis: 3.3 mV (typ)

Typical Applications

• Laptop Computers

• Mobile Phones

• Metering Systems

• Hand-held Electronics

• RC Timers

• Alarm and Monitoring Circuits

• Windowed Comparators

• Multi-vibrators

Related Devices

• CMOS/TTL Compatible Output: MCP6541/2/3/4

Package Types

+IN

2002 Microchip Technology Inc.

-IN

PDIP, SOIC, MSOP

MCP6546

Open Drain Output Sub-Microamp Comparators

OUT

-0.3V to V

OUT

10V

OUTA

+INA

-INA

PDIP, SOIC, MSOP

+0.3V

MCP6547

+ -

OUTB

-INB

+INB

MCP6546/7/8/9

+IN

-IN

PDIP, SOIC, MSOP

Description

The Microchip Technology, Inc. MCP6546/7/8/9 family

of comparators is offered in single (MCP6546), single

with chip select (MCP6548), dual (MCP6547) and quad

(MCP6549) configurations. The outputs are open

drain, and are capable of driving heavy DC or capaci-

tive loads.

These comparators are optimized for low power, sin-

gle-supply operation with greater than rail-to-rail input

operation. The output limits supply current surges, and

dynamic power consumption, while switching. The

open drain output of the MCP6546/7/8/9 family, with a

pull-up resistor, can be used as a level shifter for any

desired voltage up to 10V, and in wired-OR logic. Input

hysteresis eliminates output switching due to internal

noise voltage, reducing current draw. These compara-

tors operate with a single supply voltage as low as 1.6V

and draw less than 1 µA/comparator of quiescent cur-

rent.

The related MCP6541/2/3/4 family of comparators from

Microchip has a push-pull output that supports rail-to-

rail output swing, and interfaces with CMOS/TTL logic.

Typical Application Circuit

Windowed Comparator

MCP6548

OUT

MCP654X

OUTB

OUTA

+INA

+INB

-INA

-INB

PDIP, SOIC, TSSOP

MCP6549

DS21714A-page 1

+ -

+INC

OUTD

-IND

+IND

-INC

OUTC

OUT

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