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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube,Tube
- Type：General Purpose
- Number of Elements：4
- Output Type：CMOS, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±)：2.5V ~ 5.5V, ±1.25V ~ 2.75V
- Voltage - Input Offset (Max)：1mV @ 5V
- Current - Input Bias (Max)：0.003µA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：5µA
- CMRR, PSRR (Typ)：100dB CMRR, 80dB PSRR
- Propagation Delay (Max)：8µs
- Hysteresis：4mV
- Operating Temperature：-40°C ~ 125°C
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX9024ASD is a quad micropower voltage comparator from the Analog Devices/MAXIM Integrated MAX9021/2/4 series, housed in a 14-pin SO package. It operates on a single supply of 2.5V to 5.5V or dual supplies of ±1.25V to ±2.75V. The device features a typical propagation delay of 3μs and consumes only 2.8μA of supply current per comparator across an operating temperature range of -40°C to +125°C. It includes internal 4mV hysteresis for noise immunity and supports rail-to-rail output swing with no phase reversal for overdriven inputs.
Feature Summary
- Ultra-low power consumption optimized for portable applications
- Internal 4mV hysteresis prevents oscillations with slow-moving signals
- Rail-to-rail output capability eliminates need for external pull-up resistors
- No phase reversal ensures signal integrity under overdriven input conditions
Applications
- Battery-powered portable systems
- Sensor-signal detection circuits
- Digital line receivers
- Threshold detectors and discriminators
Procurement Notes
Verify the specific suffix ASD against official documentation to confirm the 14-pin SO package configuration. Ensure compatibility with the required operating temperature range of -40°C to +125°C. Confirm RoHS compliance status as indicated by the plus sign in the part number. Cross-reference pinout requirements with the target PCB layout design before integration.
Selection Notes
Select this component when space constraints require a quad comparator solution with minimal power draw. The 14-pin SO package offers a compact footprint suitable for dense board layouts. Consider the 3μs propagation delay for timing-sensitive applications. Verify that the 2.5V minimum supply voltage aligns with the system's battery discharge profile.
Part Context
This part belongs to the MAX9021/MAX9022/MAX9024 family of micropower comparators designed for low-cost, space-saving implementations. While the MAX9021 provides a single channel and the MAX9022 offers dual channels, the MAX9024 integrates four independent comparators in a single package. All variants share identical electrical characteristics and low-power architecture.
Replacement Considerations
Direct substitutes within the same family include the MAX9024AUD+ (TSSOP-14) and MAX9024ASD+T (SO-14 tape and reel). Verify package dimensions and pin compatibility before substitution.
