MCP6549-E/SL Microchip Integrated Circuit (Other) In Stock
Microchip MCP6549-E/SL is a quad comparator with open-drain output operating from 1.6 V to 5.5 V supply. Features include 4 independent comparator channels with 7 mV max offset voltage and ultra-low 5 nA bias current. Ideal for battery-powered systems, voltage monitoring, and signal detection in SOIC-14 package.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP6549-E/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3300(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 MCP6549-E/SL?
- Quad comparator with 4 independent channels in a single SOIC-14 package
- Wide supply voltage range from 1.6 V to 5.5 V for battery and logic applications
- Ultra-low input bias current of 5 nA max for high-impedance signal sources
- Open-drain output compatible with multiple logic levels and wired-AND configurations
- Input offset voltage of 7 mV max ensuring accurate threshold detection
What is MCP6549-E/SL used for?
The MCP6549-E/SL is well-suited for battery-powered portable devices, industrial process monitoring, and power management circuits where accurate voltage threshold detection is required. Its wide supply range and low bias current make it ideal for battery voltage monitoring, signal conditioning, and logic-level translation in mixed-voltage systems.
What are the specifications of MCP6549-E/SL?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-14 |
| Factory Lead Time | 9Weeks |
| YTEOL | 8 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.005 µA |
| Input Offset Voltage-Max | 7000 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 4 |
| Output Type | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Response Time-Nom | 3000ns |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.004mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Other |
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 |
Where can I find the MCP6549-E/SL datasheet?
MCP6549-E/SL Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP6549-E/SL?
Compatible alternatives and drop-in replacements for MCP6549-E/SL:
Comparator, 4 Func, 7000uV Offset-Max, 3000ns Response Time, CMOS, PDSO14
Frequently Asked Questions
How does the MCP6549-E/SL perform with a 1.8 V supply in low-power IoT designs?
The MCP6549-E/SL operates from 1.6 V to 5.5 V, making it compatible with 1.8 V rails commonly used in low-power IoT systems. Its 5 nA maximum input bias current minimizes power draw, and the open-drain output can interface with logic levels up to 5.5 V, providing flexible level translation in compact 14-pin SOIC form.
What is the input offset voltage specification and how does it affect precision threshold detection?
The MCP6549-E/SL specifies a maximum input offset voltage of 7000 µV (7 mV). In threshold detection circuits, this offset limits accuracy, so designers typically add hysteresis of at least 10 mV to prevent false triggers near the reference voltage, especially in noisy industrial or automotive sensing applications.
When would a designer choose MCP6549 over a dual comparator for a multi-channel monitoring board?
The MCP6549 integrates 4 comparator channels in a single SOIC-14 package, reducing board area compared to using two dual comparators. This consolidation saves space in battery management systems, power supply monitors, or multi-threshold alarm circuits where 4 independent comparisons are needed with a single -40°C to +125°C rated component.
How does the open-drain output topology affect pull-up resistor selection in a 3.3 V system?
The open-drain outputs of the MCP6549-E/SL require external pull-up resistors to the desired logic voltage, typically 3.3 V or 5 V. A 10 kΩ pull-up is commonly used, balancing drive speed and power consumption. The open-drain configuration also supports wired-AND bus sharing of 4 comparator outputs on a single signal line.
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