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Product Detailed Parameters
- Description：IC COMPARATR 2 W/VOLT REF 10UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Type：with Voltage Reference
- Number of Elements：2
- 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)：85µA
- CMRR, PSRR (Typ)：80dB CMRR, 80dB PSRR
- Propagation Delay (Max)：450ns
- Hysteresis：±3mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：10-uMAX/uSOP
- Grade：-
- Qualification：-
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Overview
The MAX9043AEUB is a micropower, single-supply integrated circuit featuring dual comparators and a precision voltage reference. It operates within a supply voltage range of 2.5V to 5.5V. The device consumes only 55µA of supply current. The internal voltage reference provides an output of 2.048V with A-grade initial accuracy of ±0.4% and a temperature coefficient of 6ppm/°C. Comparator inputs support rail-to-rail operation with common-mode voltage extending 250mV beyond the rails. Propagation delay is typically 400ns at 100mV overdrive.
Feature Summary
- Integrates dual comparators with a precision voltage reference in a compact package
- Features rail-to-rail inputs and outputs with extended common-mode range
- Includes internal hysteresis for clean switching on slow-moving signals
- Utilizes unique output stage design to minimize supply current surges during transitions
Applications
- Precision battery management systems
- Window comparator circuits
- Infrared (IR) receivers
- Level translators
- Digital line receivers
Procurement Notes
Verify the specific suffix 'AEUB' against official Analog Devices documentation to confirm the exact pinout, package dimensions, and grade specifications. Ensure compatibility with the required operating temperature range of -40°C to +85°C. Cross-reference the datasheet revision date to confirm the validity of electrical characteristics before finalizing procurement plans.
Selection Notes
Select this component when a dual comparator configuration is required alongside a stable 2.048V reference source. The low quiescent current makes it suitable for battery-operated applications. Consider the 10-pin µMAX package constraints for board layout. Verify that the input signal levels remain within the extended common-mode range to ensure proper functionality.
Part Context
This part belongs to the MAX9038–MAX9043 family of micropower comparators combined with precision references. These devices are designed for low-voltage, single-supply operation. The MAX9043 specifically offers two independent comparators sharing a single precision reference channel, distinguishing it from single-comparator variants in the series.
Replacement Considerations
Direct substitutes within the same family include the MAX9043BEUB, which shares the same package and pinout but features B-grade reference accuracy.
