MCP6542-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
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.
- 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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP6542-E/SN:
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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