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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14DIP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Type：General Purpose
- Number of Elements：4
- Output Type：TTL
- Voltage - Supply, Single/Dual (±)：4.5V ~ 11V
- Voltage - Input Offset (Max)：2mV @ 5V
- Current - Input Bias (Max)：0.3µA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：1mA
- CMRR, PSRR (Typ)：86.02dB CMRR, 86.02dB PSRR
- Propagation Delay (Max)：50ns
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：14-DIP (0.300", 7.62mm)
- Mounting Type：Through Hole
- Supplier Device Package：14-PDIP
- Grade：-
- Qualification：-
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Overview
The MAX908EPD+ is a quad, high-speed, ultra-low-power voltage comparator designed for single +5V supply operation. It features a typical propagation delay of 40ns with 5mV input overdrive and consumes only 3.5mW per comparator. The device operates within a temperature range of -40°C to +85°C and utilizes a 14-pin Plastic DIP package. Its wide input common-mode range extends from 200mV below ground to within 1.5V of the positive rail.
Feature Summary
- Incorporates internal hysteresis to ensure clean output switching without external resistors
- Outputs are TTL-compatible, eliminating the need for external pullup circuitry
- Inputs and outputs can be continuously shorted to either supply rail without damage
Applications
- Battery-Powered Systems
- High-Speed A/D Converters
- Threshold Detectors/Discriminators
Procurement Notes
Verify component authenticity through authorized channels. Confirm that the part matches the specified 14-pin Plastic DIP package and extended temperature rating. Ensure design compatibility with single +5V supply requirements and check for availability constraints associated with discontinued or legacy product lines.
Selection Notes
Select this component for applications requiring multiple comparators in a single package with low power consumption. It is suitable for systems where TTL logic levels interface directly with the comparator outputs. Consider the fixed internal hysteresis when designing threshold detection circuits to avoid additional external components.
Part Context
This part belongs to the MAX907/MAX908/MAX909 family of dual/quad/single comparators manufactured by Analog Devices / Maxim Integrated. These devices are characterized by their combination of high speed and micropower dissipation, making them replacements for older comparator technologies in precision applications.
Replacement Considerations
The datasheet indicates the MAX909 was manufactured using an unavailable process and is not recommended for new designs. Consult technical support or the QuickView datasheet for available replacement parts or industry second-sources.
