MCP6549-I/ST - Microchip Technology

Manufacturer Part Number

MCP6549-I/ST

Manufacturer

Microchip Technology

Introduction

The MCP6549-I/ST is a quad general-purpose comparator manufactured by Microchip Technology designed for applications requiring multiple voltage comparisons.

Product Features and Performance

General Purpose Comparator

Quadruple Comparators in One Package

CMOS, Open-Drain, Rail-to-Rail, TTL Output Types

Low Voltage Supply Range: 1.6V to 5.5V

Low Input Offset Voltage: 7mV at 5.5V

Ultra-Low Input Bias Current: 1pA at 5.5V

High Output Current: 30mA typically

Low Quiescent Current: Maximum 1µA

High CMRR and PSRR: 70dB CMRR, 80dB PSRR

Propagation Delay up to 8µs

Built-in Hysteresis: 6.5mV

Operational Temperature Range: -40°C to 85°C

Product Advantages

Four comparators reduce component count

High precision with low input offset and low bias current

Energy-efficient with low quiescent current

Robust output drive capability

Integrated Hysteresis for improved noise immunity

Suitable for battery-operated devices due to a wide voltage supply range

Key Technical Parameters

Voltage Supply Range: 1.6V ~ 5.5V

Input Offset Voltage: 7mV @ 5.5V Max

Input Bias Current: 1pA @ 5.5V Max

Output Current: 30mA Typ

Quiescent Current: 1µA Max

CMRR/PSRR: 70dB CMRR, 80dB PSRR Typ

Propagation Delay: 8µs Max

Hysteresis: 6.5mV

Operating Temperature Range: -40°C ~ 85°C

Quality and Safety Features

Robust temperature range for operational stability

High CMRR and PSRR for signal accuracy

Compatibility

Compatible with CMOS, TTL logic levels

Suitable for various circuit designs due to Rail-to-Rail output

Application Areas

Battery-powered devices

Threshold detectors

Window comparators

Multivibrator circuits

Data acquisition systems

Product Lifecycle

Product Status: Active

Not nearing discontinuation; replacements and upgrades available

Key Reasons to Choose This Product

Multiple comparators integrated into one package for compact design

Low voltage operation ideal for portable electronics

Precision voltage comparison with minimal power consumption

High output current supports a wide range of loads

High noise immunity enhances circuit reliability

Versatile for a broad range of applications and compatible with various logic families

Low input bias and offset currents ensure minimal signal distortion

Long-term availability and support as the product is currently active