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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/VOLT REF 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Type：with Voltage Reference
- Number of Elements：1
- Output Type：CMOS, Push-Pull, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±)：2.5V ~ 5.5V
- Voltage - Input Offset (Max)：5mV @ 5V
- Current - Input Bias (Max)：1pA @ 5V
- Current - Output (Typ)：8mA
- Current - Quiescent (Max)：72µA
- CMRR, PSRR (Typ)：80dB CMRR, 80dB PSRR
- Propagation Delay (Max)：450ns
- Hysteresis：±3mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX9041AESA+ is a micropower, single-supply comparator with an integrated precision voltage reference. It operates from a 2.5V to 5.5V supply and consumes only 40µA of quiescent current. The device features rail-to-rail inputs and outputs, with a common-mode input range extending 250mV beyond the supply rails. It includes internal hysteresis for clean switching and offers a 2.048V reference output with A-grade accuracy.
Feature Summary
- Combines a low-power comparator with a precision voltage reference in a single package
- Features rail-to-rail inputs and push-pull outputs capable of sourcing and sinking up to 8mA
- Includes internal ±3mV hysteresis to ensure stable output transitions
- Designed to minimize supply current surges during switching to prevent power glitches
Applications
- Precision battery management systems
- Window comparator circuits
- Infrared (IR) receivers
- Level translators
- Digital line receivers
Procurement Notes
Verify the specific suffix 'A' indicates the A grade with 0.4% initial accuracy and 6ppm/°C temperature coefficient. Confirm the 'ES' package code corresponds to the SO-8 form factor. Ensure the '+' suffix denotes lead-free/RoHS compliance as per manufacturer standards. Cross-reference the full part number against the official Analog Devices selector guide to confirm availability and exact electrical tolerances.
Selection Notes
Select this component when a single-supply operation between 2.5V and 5.5V is required alongside a stable voltage reference. It is suitable for battery-operated systems due to its low 40µA supply current. Choose the A grade variant if high initial accuracy and low temperature drift are critical. Consider the SO-8 package for surface-mount applications requiring rail-to-rail I/O capabilities.
Part Context
The MAX9041 belongs to the MAX9038–MAX9043 family of micropower comparators with integrated references. These devices are designed for low-voltage, single-supply applications. The MAX9041 specifically provides one comparator and a 2.048V reference. It shares architectural similarities with other members like the MAX9040 and MAX9042 but differs in pin count and reference voltage configuration.
Replacement Considerations
Direct substitutes within the same family include the MAX9041AEUT+T (SOT23-6 package) or the MAX9041BESA (B grade). Verify that the replacement maintains the 2.048V reference output and compatible supply voltage range. Check package dimensions and pinout compatibility before substitution.
