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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/VOLT REF SOT6
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- 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：SOT-23-6
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-6
- Grade：-
- Qualification：-
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Overview
The MAX9041AEUT-T 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, ±3mV internal hysteresis, and a propagation delay of 400ns. The A-grade reference provides a 2.048V output with 0.4% initial accuracy and a 6ppm/°C temperature coefficient. It is housed in a 6-pin SOT-23 package.
Feature Summary
- Integrates a low-power comparator with a precision voltage reference in a compact footprint.
- Features rail-to-rail input and output stages for maximum dynamic range.
- Includes internal hysteresis to ensure clean switching on slow-moving signals.
- Output stage design minimizes supply current surges during transitions.
Applications
- Precision battery management systems
- Window comparators
- IR receivers
- Level translators
Procurement Notes
Verify the specific 'A' grade designation for the required 0.4% initial accuracy and 6ppm/°C tempco. Confirm the 'T' suffix indicates tape-and-reel packaging. Ensure the SOT-23-6 package matches the board layout constraints. Check for lead-free/RoHS compliance status if required by assembly specifications.
Selection Notes
Select this part when a single-supply operation between 2.5V and 5.5V is required alongside a stable voltage reference. The 40μA supply current makes it suitable for battery-powered applications. Choose the A grade over the B grade if tighter initial accuracy (0.4%) and lower temperature drift are necessary for the reference output.
Part Context
This component belongs to the MAX9038–MAX9043 family of micropower comparators with references. It shares the same core architecture as other members but is distinguished by its single-channel configuration, 2.048V reference output, and UCSP/SOT-23 packaging options. It is designed for space-constrained, low-power analog signal processing tasks.
Replacement Considerations
Public confirmed substitute part numbers: MAX9041BEUT-T (B Grade).
FAQ
What is the common-mode input voltage range?
The common-mode input voltage range extends 250mV beyond each supply rail.
Does the MAX9041 require an output capacitor on the REF pin?
No, the device does not require an output capacitor for stability and is stable for capacitive loads up to 4.7nF.
