MCP6542-E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP6542-E/MS is a dual push-pull analog comparator from Microchip operating from a minimum supply of 1.6 V in an 8-pin MSOP package. It offers a maximum input bias current of 0.005 µA and a maximum input offset voltage of 7000 µV for low-power voltage detection. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP6542-E/MS 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/MS?
- Dual independent comparators in a single 8-pin MSOP package saving board space
- 1.6 V minimum supply voltage enabling operation from single lithium or alkaline cells
- Push-pull output structure eliminating the need for external pull-up resistors
- Ultra-low maximum input bias current of 0.005 µA for high-impedance signal sources
- RoHS-compliant JESD-609 e3 construction for green manufacturing compliance
What is MCP6542-E/MS used for?
The MCP6542-E/MS is used in low-power threshold detection circuits such as battery voltage monitors, window comparators for over/under-voltage protection, and zero-crossing detectors in power-conversion systems. Its 1.6 V minimum supply voltage and dual-channel integration suit single-cell battery devices including IoT nodes, wearable sensors, and portable instruments. The push-pull output directly drives logic inputs without pull-up resistors, simplifying interface design in microcontroller-based systems.
What are the specifications of MCP6542-E/MS?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 11Weeks |
| YTEOL | 8 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.005 µA |
| Input Offset Voltage-Max | 7000 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Output Type | PUSH-PULL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| 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 | 0.65mm |
| 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/MS datasheet?
MCP6542-E/MS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP6542-E/MS?
Compatible alternatives and drop-in replacements for MCP6542-E/MS:
Comparator, 2 Func, 7000uV Offset-Max, 4000ns Response Time, CMOS, PDSO8
Frequently Asked Questions
What is the minimum supply voltage for the MCP6542-E/MS, and how does that affect battery selection?
The MCP6542-E/MS operates from a minimum supply voltage of 1.6 V, which means it can run from a single alkaline cell even as it discharges below 2 V. This makes it suitable for long-lifetime coin-cell or AAA-battery applications where supply voltage drops well below 3 V during the product's operational life.
How does the push-pull output of the MCP6542-E/MS simplify interfacing with microcontrollers compared to open-drain comparators?
Unlike open-drain comparators that require an external pull-up resistor on each output, the push-pull outputs of the MCP6542-E/MS actively drive both logic high and logic low states. This eliminates 2 pull-up resistors in a dual-comparator design, reduces component count, and guarantees fast output rise times without depending on resistor-capacitance time constants at logic voltages from 1.6 V upward.
For a window comparator protecting a 3.3 V rail, how can both channels of the MCP6542-E/MS be used together?
In a window comparator configuration, one channel of the MCP6542-E/MS monitors the upper threshold—for example, 3.6 V—while the second channel monitors the lower threshold at 3.0 V. The two push-pull outputs are ANDed to drive a fault indicator only when the 3.3 V rail stays within the 600 mV window, providing over-voltage and under-voltage detection with just 8 pins and a maximum bias current of 0.005 µA per input.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.6100 | $0.61 |
| 25+ | $0.5200 | $13.00 |
| 100+ | $0.4700 | $47.00 |
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