MCP6542-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock

Name: MCP6542-E/SN
Brand: Microchip
SKU: MCP6542-E/SN
Availability: InStock

The MCP6542-E/SN is a dual CMOS comparator with push-pull outputs and rail-to-rail input capability from Microchip. It operates from a 1.8 V to 5.5 V supply, features input offset voltage up to 7 mV, and supports TTL-compatible outputs in an 8-SOIC package.

ACTIVEIntegrated CircuitVerified Jun 2026

Package / Visual Reference

MCP6542-E/SNSmall Outline Packages

Quick Facts

Manufacturer: Microchip
Package: Small Outline Packages
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: MCP6542-E/SN Datasheet PDF
Category: Integrated Circuit
Price: From $0.4700(MOQ 1)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of MCP6542-E/SN?

Dual comparator with 2 independent channels in a single 8-SOIC package
Rail-to-rail input range supporting single-supply operation from 1.8 V to 5.5 V
Push-pull CMOS output compatible with TTL logic levels
Ultra-low bias current of 5 nA maximum for high-impedance signal sensing
Input offset voltage of 7 mV maximum for reliable threshold detection
Wide operating temperature range from -40°C to +125°C

What is MCP6542-E/SN used for?

The MCP6542-E/SN is widely used in battery-powered systems, window comparator circuits, and signal conditioning applications where low supply current and rail-to-rail inputs are essential. It suits threshold detection in sensor interfaces, over-voltage or under-voltage monitors, and general-purpose logic-level conversion in industrial and consumer electronics designs.

What are the specifications of MCP6542-E/SN?

Pbfree Code	Yes
Manufacturer Package Code	SOIC-8
Factory Lead Time	6Weeks
YTEOL	8
Amplifier Type	COMPARATOR
Average Bias Current-Max (IIB)	0.005 µA
Input Offset Voltage-Max	7000 µV
JESD-30 Code	R-PDSO-G8
JESD-609 Code	e3
Number of Functions	2
Output Type	PUSH-PULL
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP8,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Packing Method	TUBE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Response Time-Nom	4000ns
Supply Current-Max	0.001mA
Supply Voltage Limit-Max	7V
Supply Voltage-Nom (Vsup)	5V
Surface Mount	YES
Technology	CMOS
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.60
Country of Origin	Thailand

Where can I find the MCP6542-E/SN datasheet?

MCP6542-E/SN Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for MCP6542-E/SN?

Compatible alternatives and drop-in replacements for MCP6542-E/SN:

MCP6542-I/SNMicrochip Technology Inc Dual 1.6V Push/Pull

Comparator, I temp

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What supply voltage range does MCP6542-E/SN support for single-supply designs?

The MCP6542-E/SN operates from a single supply of 1.8 V to 5.5 V, making it compatible with both 3.3 V and 5 V logic systems in battery-powered and portable designs.

How does the push-pull output of MCP6542-E/SN affect interfacing with downstream logic?

The push-pull CMOS output actively drives both high and low logic states without requiring a pull-up resistor, directly interfacing with TTL and CMOS inputs at supply voltages up to 5.5 V.

In which industrial or sensor-interface circuits is MCP6542-E/SN a preferred choice over open-drain comparators?

MCP6542-E/SN suits designs where wired-OR bus configurations are not needed, such as single-channel threshold detectors in 3.3 V sensor nodes, battery voltage monitors, and signal-presence detectors requiring clean rail-to-rail switching with 2 independent comparator channels.

What is the input offset voltage specification and how does it influence detection accuracy?

Maximum input offset voltage is 7000 µV (7 mV), meaning that for the highest threshold accuracy, designers should budget this error into trip-point calculations, particularly in precision over-voltage or under-voltage window comparator circuits.

Does MCP6542-E/SN carry RoHS and lead-free compliance for PCB assembly?

Yes, the MCP6542-E/SN carries the JESD-609 e3 lead-free code and is Pb-free compliant, meeting RoHS requirements for lead-free SMT assembly in the 8-SOIC package with standard 1.27 mm pitch leads.

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From $0.4700

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Qty.	Unit Price	Ext. Price
1+	$0.6200	$0.62
4+	$0.4708	$1.88
100+	$0.4700	$47.00

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Lead Time3-7 business days

MOQFrom 1 piece

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OriginChina (Authorized)

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MCP6542-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock

What are the key features of MCP6542-E/SN?

What is MCP6542-E/SN used for?

What are the specifications of MCP6542-E/SN?

Compliance & Regulatory

Where can I find the MCP6542-E/SN datasheet?

What are equivalent replacements for MCP6542-E/SN?

Frequently Asked Questions

What supply voltage range does MCP6542-E/SN support for single-supply designs?

How does the push-pull output of MCP6542-E/SN affect interfacing with downstream logic?

In which industrial or sensor-interface circuits is MCP6542-E/SN a preferred choice over open-drain comparators?

What is the input offset voltage specification and how does it influence detection accuracy?

Does MCP6542-E/SN carry RoHS and lead-free compliance for PCB assembly?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

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