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MCP6541T-I/LT

MCHPMCP6541T-I/LT

Microchip Technology
Comparator Standard (General Purpose) CMOS, Push-Pull, Rail-to-Rail, TTL SC-70-5
Active102,141 in stock
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Overview

The MCP6541T-I/LT is a sub-microampere, single comparator designed for low-power and battery-operated applications. It features an ultra-low quiescent current of 0.6 microamps and internal hysteresis to ensure stable switching even with slow-moving input signals. The device provides a push-pull output that is compatible with both CMOS and TTL logic levels, eliminating the need for an external pull-up resistor.

Why Choose This Part

The primary advantage is the 0.6 microamp quiescent current, which is significantly lower than standard general-purpose comparators. It also includes 6.5mV of internal hysteresis to prevent oscillations caused by input noise, and its wide operating voltage range from 1.6V to 5.5V supports modern low-voltage rails.

Applications

Battery-Powered Handhelds
Ideal for mobile phones and handheld electronics where minimizing current draw is critical for battery longevity.
RC Timer Circuits
Used in low-frequency timing applications thanks to its low bias current and rail-to-rail input capability.
Threshold Detection
Effective for monitoring battery voltage or sensor thresholds in metering systems and alarm circuits.
Windowed Comparators
Can be paired with other units to create voltage window monitors for system health checks.

Key Specifications

Type Standard (General Purpose)
Hysteresis 6.5mV
Output Type CMOS, Push-Pull, Rail-to-Rail, TTL
Mounting Type Surface Mount
Package / Case 5-TSSOP, SC-70-5, SOT-353
CMRR, PSRR (Typ) 70dB CMRR, 80dB PSRR
Number of Elements 1
Operating Temperature -40degC ~ 85degC
Current - Output (Typ) 30mA
Propagation Delay (Max) 8us
Supplier Device Package SC-70-5
Current - Quiescent (Max) 1uA
Current - Input Bias (Max) 1pA @ 5.5V
Voltage - Input Offset (Max) 7mV @ 5.5V
Voltage - Supply, Single/Dual (+/-) 1.6V ~ 5.5V

Getting Started

When designing with the MCP6541, place a 0.1 microfarad bypass capacitor close to the VDD pin to handle transient currents during output switching. Since this is a push-pull output, ensure the load does not exceed the 2mA rated output current to maintain rail-to-rail performance. No external pull-up resistor is required for interfacing with MCUs, simplifying PCB layout in space-constrained SC-70 designs.

Part of MCP6xxx Comparators family » MCP6541

MCP6541 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
MCP6541T-I/LT (this part) TSSOP-5 102,141
MCP6541-I/P DIP-8 900

Also Consider

MAX9117 Maxim Integrated / Analog Devices - Includes an integrated 1.252V voltage reference in the same SC-70 package.