MAX9018AEKA+ Analog Devices Integrated Circuit (SOT23 (8-Pin)) In Stock
The MAX9018AEKA+ is a dual precision nanoPower comparator from Analog Devices operating from a 1.8 V supply in an 8-pin SOT-23 package. It features ultralow bias current of 0.001 µA, optional internal reference, and is designed for battery-powered threshold detection and portable sensing applications.
- Manufacturer
- Analog Devices
- Package
- SOT23 (8-Pin)
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MAX9018AEKA+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual comparator with ultralow supply current for nanoPower operation
- 1.8 V single-supply operation compatible with low-voltage systems
- Ultralow input bias current of 0.001 µA at 25°C
- Available with or without internal voltage reference
- Compact 8-pin SOT-23 package for space-constrained designs
- Precision input offset voltage for accurate threshold detection
Applications
The MAX9018AEKA+ is ideal for battery-powered portable devices, wearables, and IoT sensor nodes that require dual threshold detection with minimal current drain. Its low 1.8 V supply compatibility and nanoPower operation make it well-suited for overvoltage protection circuits, window comparator designs, and always-on monitoring applications in energy-harvesting systems.
Specifications
| Manufacturer Package Code | 8-SOT_23-N/A |
| Date Of Intro | 2003-05-26 |
| YTEOL | 8.5 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.002 µA |
| Bias Current-Max (IIB) @25C | 0.001 µA |
| Input Offset Voltage-Max | 10000 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Output Type | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.1 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Response Time-Nom | 31000ns |
| Supply Current-Max | 0.0028mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## MAX9018AEKA+ Alternates Showing results | Image |
| Package | SOT23 (8-Pin) |
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 | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MAX9018AEKA+:
Frequently Asked Questions
How low is the supply current of the MAX9018AEKA+, and why does it matter for battery-powered designs?
The MAX9018AEKA+ is a nanoPower comparator with an input bias current as low as 0.001 µA at 25°C, enabling extremely long battery life in always-on sensing and threshold-detection circuits running from coin cells or energy harvesters.
Can the MAX9018AEKA+ operate from a 1.8 V single supply used in modern microcontroller systems?
Yes, the MAX9018AEKA+ is specified for 1.8 V single-supply operation, making it directly compatible with low-voltage MCU platforms and LDO-regulated rails without an additional supply boost stage.
What package and pin count does the MAX9018AEKA+ use, and how does it benefit compact PCB layouts?
The MAX9018AEKA+ is housed in an 8-pin SOT-23 package, which has a very small footprint and allows both comparator channels plus supply and reference pins to fit into space-constrained wearable or portable device PCBs.
When should a designer choose the MAX9018AEKA+ with an internal reference over an external-reference variant?
Choosing the MAX9018AEKA+ with an internal reference saves one external component and simplifies BOM management in designs where a fixed threshold is acceptable, such as battery undervoltage lockout at a defined threshold below 1.8 V.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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