MCP6566T-E/LT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
Microchip MCP6566T-E/LT is a single 1.8 V open-drain comparator with ultralow 5 nA input bias current and 10 mV maximum input offset voltage in a compact 5-pin SC-70 package. Designed for low-power threshold detection and level comparison in battery-operated systems from -40°C to +125°C. Available from stock worldwide in tape-and-reel format for high-volume assembly.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP6566T-E/LT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1018(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 MCP6566T-E/LT?
- Single comparator with 1.8 V minimum supply voltage operation
- Open-drain output for wired-OR and mixed-voltage interfacing
- Ultralow 5 nA maximum input bias current
- 10 mV maximum input offset voltage for accurate threshold detection
- Compact 5-pin SC-70 package for miniaturized designs
- Extended -40°C to +125°C operating temperature range
What is MCP6566T-E/LT used for?
The MCP6566T-E/LT is suited for battery voltage monitoring, power-good detection, and GPIO-level threshold detection in portable consumer electronics and IoT devices running from 1.8 V rails. Its open-drain output allows direct connection to pull-up resistors tied to higher-voltage logic rails, enabling seamless interfacing between 1.8 V comparator outputs and 3.3 V microcontroller interrupt inputs. The ultralow 5 nA bias current minimizes battery drain in always-on monitoring circuits in wearable and energy-harvesting applications.
What are the specifications of MCP6566T-E/LT?
| Pbfree Code | Yes |
| Manufacturer Package Code | SC70-5 |
| Factory Lead Time | 8Weeks |
| YTEOL | 8 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.005 µA |
| Bias Current-Max (IIB) @25C | 0.005 µA |
| Input Offset Voltage-Max | 10000 µV |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Type | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Response Time-Nom | 56ns |
| Supply Current-Max | 0.13mA |
| Supply Voltage Limit-Max | 6.5V |
| Supply Voltage-Nom (Vsup) | 1.8V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | SOT23 (5-Pin) |
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 MCP6566T-E/LT datasheet?
MCP6566T-E/LT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP6566T-E/LT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the open-drain output of MCP6566T-E/LT enable mixed-voltage level interfacing in a 1.8 V to 3.3 V system?
With an open-drain output, the MCP6566T-E/LT's output transistor pulls low while an external pull-up resistor connected to any voltage up to the device's maximum drives the high state. This allows a 1.8 V-powered comparator output to directly interface with a 3.3 V microcontroller interrupt pin using a 10 kΩ pull-up to 3.3 V, without requiring a level-shifting circuit.
What input offset voltage error does MCP6566T-E/LT introduce in a precision 1.0 V threshold detection circuit?
The MCP6566T-E/LT has a maximum input offset voltage of 10 mV (10000 µV), meaning the actual switching threshold can deviate by up to ±10 mV from the intended reference. For a 1.0 V threshold, this represents ±1% error — acceptable for battery under-voltage lockout applications but requiring additional hysteresis for noise-immune detection in systems with slow-moving input signals.
In a coin-cell powered IoT node, how does the 5 nA bias current of MCP6566T-E/LT affect the overall power budget?
At 5 nA maximum input bias current from a 3 V coin cell, the MCP6566T-E/LT contributes less than 15 nW of quiescent power to the comparison circuit — negligible compared to a typical 1 µA sleep-mode microcontroller current. This allows the comparator to remain active as a hardware interrupt source continuously without meaningfully reducing the coin cell's 220 mAh capacity over a multi-year deployment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.1018 | $0.10 |
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