MIC7221YM5 TR Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
The MIC7221YM5 TR is a high-speed voltage comparator with push-pull output, 75 ns response time, and 2.2 V to 10 V supply range in a 5-pin SOT-23 package. It delivers rail-to-rail output drive capability for digital logic interfacing in space-constrained designs.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MIC7221YM5 TR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MIC7221YM5 TR?
- 75 ns propagation delay with push-pull output enables direct logic-level driving without external pull-up resistors, unlike open-drain comparators
- Wide 2.2 V to 10 V supply range covers both 3.3 V and 5 V logic systems in a compact 5-pin SOT-23 footprint
- Rail-to-rail push-pull output swings fully between supply rails, maximizing noise margin when interfacing with CMOS logic inputs
What is MIC7221YM5 TR used for?
The MIC7221YM5 TR is suited for zero-crossing detection, window comparator circuits, and threshold detection in power management, motor control, and battery monitoring systems requiring fast 75 ns response times. Its push-pull output directly drives logic gates and microcontroller interrupt inputs without pull-up resistors, simplifying PCB design in 3.3 V and 5 V mixed-signal systems. Portable instruments, switching power supply feedback loops, and over-voltage protection circuits benefit from its wide supply range and small SOT-23 package.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the MIC7221YM5 TR datasheet?
MIC7221YM5 TR Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MIC7221YM5 TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the push-pull output architecture of the MIC7221YM5 TR differ from open-drain comparators in practical circuit design?
Push-pull outputs like the MIC7221YM5 TR actively drive both high and low output states, eliminating the need for an external pull-up resistor required by open-drain devices. This reduces component count by 1 resistor per comparator, lowers output impedance to improve switching speed, and avoids the output voltage droop caused by resistor-capacitance time constants. The 75 ns propagation delay is fully realized without pull-up resistor sizing constraints.
For a 3.3 V battery-powered circuit, does the MIC7221YM5 TR supply range accommodate single-cell lithium operation?
The MIC7221YM5 TR requires a minimum supply of 2.2 V and a maximum of 10 V, which accommodates a single-cell lithium battery discharging from 4.2 V fully charged to approximately 3.0 V at end-of-discharge. At 3.3 V regulated supply it operates well within the rated range, and the push-pull output swings to within millivolts of both supply rails, ensuring valid CMOS logic levels above 2 V for a 3.3 V system at all battery states.
In an over-voltage protection circuit running at 5 V, what is the expected response time of the MIC7221YM5 TR to a fault condition?
At a 5 V supply, the MIC7221YM5 TR responds to an input overdrive condition in 75 ns propagation delay, activating a protection FET gate or fault latch within one tenth of a microsecond. For a switching power supply operating at 500 kHz with 2 µs cycle time, this 75 ns response allows the comparator to flag an over-voltage fault and disable the gate driver with 96% of the switching period remaining, providing adequate time for safe shutdown before energy storage elements charge to damaging levels.
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