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Product Detailed Parameters
- Description：IC COMPARATOR 2 GEN PUR 8UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Type：General Purpose
- Number of Elements：2
- Output Type：Push-Pull, Rail-to-Rail
- Voltage - Supply, Single/Dual (±)：2.1V ~ 5.5V
- Voltage - Input Offset (Max)：1mV @ 5V
- Current - Input Bias (Max)：0.005µA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：6.6µA
- CMRR, PSRR (Typ)：82dB CMRR, 77dB PSRR
- Propagation Delay (Max)：580ns
- Hysteresis：-
- 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 MAX9077EUA+ is a dual, low-cost, ultra-small single-supply comparator manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 2.1V to 5.5V and consumes only 3µA per comparator. The device features a propagation delay of 580ns and offers rail-to-rail push-pull outputs capable of driving loads up to 2mA. It includes ground-sensing inputs with a common-mode range from -0.2V to VCC-1.2V and lacks differential clamping across inputs. The component is housed in an 8-pin µMAX package and supports an operating temperature range of -40°C to +85°C.
Feature Summary
- Ultra-low power consumption of 3µA per comparator
- Rail-to-rail push-pull output drivers
- Ground-sensing input capability
- No differential clamp across inputs
Applications
- Battery-powered systems
- Threshold detectors/discriminators
- Keyless entry systems
- IR receivers
- Digital line receivers
Procurement Notes
Verify the specific ordering suffix for the MAX9077EUA+ to confirm the µMAX package type and lead-free status. Ensure compatibility with the required operating temperature range of -40°C to +85°C. Confirm that the single-supply voltage requirements align with your system design before procurement.
Selection Notes
Select this component when space constraints require an ultra-small footprint like the 8-pin µMAX package. It is suitable for applications needing low quiescent current and rail-to-rail output swing. Consider its 580ns propagation delay against system timing requirements. Verify that the input common-mode voltage range meets the signal levels present in the circuit.
Part Context
The MAX9077EUA+ belongs to the MAX9075/MAX9077 family of comparators designed for portable electronics. While the MAX9075 is a single comparator available in SC70 and SOT23 packages, the MAX9077 provides two comparators in compact 8-pin formats including SOT23, µMAX, and SO. This family emphasizes low cost and minimal power usage for battery-operated devices.
Replacement Considerations
Public confirmed substitute part numbers are not provided in the source material.
FAQ
Does the MAX9077EUA+ have differential clamping across its inputs?
No, unlike many other comparators, the MAX9077 does not have a differential clamp between the inputs, allowing the differential input voltage range to extend rail-to-rail.
What is the maximum load current the outputs can drive?
The large internal push-pull output drivers allow rail-to-rail output swing with loads up to 2mA.
