MAX9018BEKA+ Analog Devices Integrated Circuit (SOT23 (8-Pin)) In Stock
The MAX9018BEKA+ is a dual nanoPower precision comparator from Analog Devices operating at 1.8V supply with an optional integrated reference, in an 8-pin SOT-23 package. It features ultra-low bias current of 0.002 µA maximum and a 10 mV input offset voltage, suited for battery-powered threshold detection circuits.
- Manufacturer
- Analog Devices
- Package
- SOT23 (8-Pin)
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MAX9018BEKA+ 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
What are the key features of MAX9018BEKA+?
- Dual precision comparators in a compact 8-pin SOT-23 package
- Ultra-low 1.8V supply voltage with nanoPower quiescent current for battery applications
- Maximum input bias current of 0.002 µA for high-impedance signal sources
- Optional integrated voltage reference for standalone threshold detection without external reference
- Input offset voltage max 10 mV for accurate comparison in low-voltage designs
What is MAX9018BEKA+ used for?
The MAX9018BEKA+ is designed for battery-powered portable devices, IoT sensor nodes, and wearables where ultra-low quiescent current and compact size are critical for threshold detection and window comparator functions. It is commonly used in low-battery indication, zero-crossing detection, and analog signal qualification circuits requiring minimal current draw from a 1.8V rail.
What are the specifications of MAX9018BEKA+?
| 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 |
| 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 |
Where can I find the MAX9018BEKA+ datasheet?
MAX9018BEKA+ Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX9018BEKA+?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How low is the quiescent current on the MAX9018BEKA+, and how does it extend battery life in IoT sensor designs?
The MAX9018BEKA+ is rated for nanoPower operation with a maximum input bias current of 0.002 µA per comparator, making it one of the lowest-power dual comparators available. In an always-on threshold detection role, this near-zero standby draw can extend a small Li-ion battery's life from weeks to months in duty-cycled IoT sensor nodes.
Can the MAX9018BEKA+ operate directly from a single-cell Li-ion battery without a boost converter?
Yes. The MAX9018BEKA+ operates at a supply voltage as low as 1.8V, which is within the discharge range of a single Li-ion cell (typically 3.0V to 4.2V at the cell, after regulation or partial discharge). This enables direct single-supply operation in wearable and portable sensor applications without additional voltage conversion.
What input offset voltage should designers budget for when using MAX9018BEKA+ in precision threshold detection?
The MAX9018BEKA+ has a maximum input offset voltage of 10 mV (10,000 µV). Designers using this comparator for precision threshold detection near 1.8V must include this 10 mV uncertainty in their trip-point budget, or use the B-grade variant's tighter tolerance to minimize false triggers in noise-sensitive circuits.
How does the 8-pin SOT-23 package of MAX9018BEKA+ compare to larger comparator packages for high-density board layouts?
The 8-pin SOT-23 package provides two independent comparator channels in a body smaller than a 3mm x 3mm footprint, significantly reducing PCB area versus standard SO-8 or DFN alternatives. This makes the MAX9018BEKA+ attractive for compact multi-threshold power management or supervisory circuits where board space is tightly constrained.
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Why Buy from FindMyChip
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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