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Product Detailed Parameters
- Description：IC COMPARATOR 2 W/VOLT REF 8UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube,Tube
- Type：with Voltage Reference
- Number of Elements：2
- Output Type：CMOS, Push-Pull, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±)：2.7V ~ 5.5V
- Voltage - Input Offset (Max)：1mV @ 5V
- Current - Input Bias (Max)：1pA @ 5V
- Current - Output (Typ)：8mA
- Current - Quiescent (Max)：130µA
- CMRR, PSRR (Typ)：80dB CMRR, 80dB PSRR
- Propagation Delay (Max)：450ns
- Hysteresis：±3mV
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-uMAX/uSOP
- Grade：-
- Qualification：-
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Overview
The MAX9052BEUA is a micropower, single-supply analog comparator integrated with a precision voltage reference. It features dual comparators and one reference in an 8-pin µMAX package. The device operates from a supply voltage range of 2.7V to 5.5V. Supply current is typically 60µA at 5V. The comparators offer rail-to-rail inputs and outputs, with a propagation delay of 400ns. The internal voltage reference provides a fixed output of 2.500V with B-grade initial accuracy of 1% and a temperature coefficient of 100ppm/°C.
Feature Summary
- Dual comparators combined with a precision voltage reference in a compact surface-mount package
- Rail-to-rail input and output stages allowing operation across the full supply range
- Internal hysteresis ensures clean switching for slow-moving input signals
- Low quiescent supply current suitable for battery-operated systems
Applications
- Precision battery management systems
- Window comparator circuits
- IR receivers
- Level translators
- Digital line receivers
Procurement Notes
Verify the specific suffix 'BEUA' corresponds to the B-grade reference accuracy and 8-pin µMAX package configuration. Confirm that the operating temperature range meets the application requirements of -40°C to +85°C. Ensure the design accounts for the 2.7V minimum supply voltage specified for the MAX905x series.
Selection Notes
Select this component when dual comparison functions are required alongside a stable 2.5V reference source. The B-grade specification offers 1% initial accuracy, which may suffice for applications where A-grade precision is not mandatory. Consider the 400ns propagation delay against system timing constraints. The rail-to-rail output capability simplifies interfacing with various logic families without additional level shifting components.
Part Context
This part belongs to the MAX9038–MAX9053 family of micropower comparators with integrated references. The MAX9052 variant specifically integrates two comparators and a 2.500V reference. It shares architectural similarities with the MAX9042 but utilizes a higher reference voltage and slightly different supply voltage specifications typical of the MAX905x sub-series.
Replacement Considerations
The MAX9052AEUA serves as the A-grade alternative within the same package offering higher reference accuracy. Other family members like the MAX9042BEUA provide similar functionality but with a 2.048V reference instead of 2.500V.
