MCP6541-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP6541-E/SN is a single push-pull output rail-to-rail input/output comparator from Microchip, operating from 1.6 V supply with 5 nA bias current and 7 mV maximum input offset voltage. Housed in an 8-pin SOIC package, it suits battery-powered sensing and threshold detection circuits.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP6541-E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3210(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
- Rail-to-rail input and output (RRIO) for maximum signal swing at low supply voltages
- 1.6 V minimum supply voltage for single-cell and low-voltage applications
- Ultra-low 5 nA typical input bias current for high-impedance sensor interfaces
- 7 mV maximum input offset voltage for accurate threshold detection
- Push-pull output stage for direct CMOS logic interfacing without pull-up resistors
- Single comparator in compact 8-pin SOIC-8 package
Applications
The MCP6541-E/SN is designed for battery voltage monitoring, capacitive touch threshold detection, and general-purpose signal comparator applications in portable and IoT devices. Its 1.6 V minimum supply allows direct operation from a single lithium cell or supercapacitor, while the rail-to-rail input range enables detection of signals spanning the full supply voltage. The push-pull output directly drives microcontroller interrupt pins or LED indicators without requiring an external pull-up resistor, simplifying schematic and BOM.
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 | 1 |
| 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 | 8542.33.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP6541-E/SN:
Comparator, 1 Func, 8000uV Offset-Max, 4000ns Response Time, CMOS, PDSO8
Comparator, 1 Func, 18000uV Offset-Max, 4000ns Response Time, CMOS, PDSO8
Frequently Asked Questions
How low a supply voltage can the MCP6541-E/SN operate from, and what single-cell chemistries does that enable?
The MCP6541-E/SN operates from as low as 1.6 V, which covers discharged NiMH cells at 1.0 V per cell in two-cell configurations, single-cell lithium-iron-phosphate at 2.5 V to 3.6 V, and supercapacitor-backed designs where rail voltage can sag below 2 V during high-current pulses. This low-voltage headroom reduces the need for a boost converter in ultra-low-power sensor nodes.
Why does the MCP6541-E/SN's push-pull output simplify interfacing to microcontroller GPIO pins compared to an open-drain comparator?
An open-drain output requires an external pull-up resistor connected to the supply rail, adding a passive component and a small quiescent current path. The MCP6541-E/SN's push-pull output actively drives both logic high and logic low, eliminating the pull-up resistor, reducing component count by 1 per comparator, and providing faster rising edges — important in interrupt-driven MCU designs where response latency to a threshold crossing must be minimized within a few microseconds.
For a precision battery voltage threshold detector, how does the MCP6541-E/SN's 7 mV offset voltage affect the design?
The MCP6541-E/SN has a maximum input offset voltage of 7 mV (7000 µV), which translates to a worst-case trip-point error of 7 mV relative to the reference voltage set by the resistor divider. For a 3.0 V low-battery threshold, this represents a 0.23% accuracy, acceptable for most battery-management and under-voltage lockout circuits where hysteresis of 50 mV to 100 mV is typically added to prevent output chatter near the threshold.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.4700 | $0.47 |
| 25+ | $0.3900 | $9.75 |
| 100+ | $0.3600 | $36.00 |
| 5000+ | $0.3500 | $1750.00 |
| 7500+ | $0.3283 | $2462.25 |
| 10000+ | $0.3210 | $3210.00 |
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