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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：TTL
- Voltage - Supply, Single/Dual (±)：4.5V ~ 5.5V
- Voltage - Input Offset (Max)：1.6mV @ 5V
- Current - Input Bias (Max)：0.125µA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：700µA
- CMRR, PSRR (Typ)：86.02dB CMRR, 86.02dB PSRR
- Propagation Delay (Max)：25ns
- Hysteresis：2mV
- Operating Temperature：-40°C ~ 85°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 MAX9108ESD+ is a quad, high-speed, low-power voltage comparator designed for single +5V supply systems. It features a 25ns propagation delay with 10mV input overdrive and consumes only 350µA (1.75mW) per comparator. The device operates within a 4.5V to 5.5V supply range and includes internal hysteresis of 2mV to ensure clean output switching. Outputs are TTL-compatible without external pullups. It offers a wide input common-mode range from 200mV below ground to 1.5V below the positive rail, with a typical offset voltage of 1.6mV.
Feature Summary
- Incorporates internal hysteresis to prevent oscillation and ensure clean switching on slow-moving signals
- Features TTL-compatible outputs that eliminate the need for external pullup circuitry
- Provides a wide input common-mode range extending below ground level
Applications
- Battery powered systems
- A/D converters
- Line receivers
- Threshold detectors and discriminators
- Sampling circuits
- Zero-crossing detectors
Procurement Notes
Verify the specific ordering suffix 'ESD' corresponds to the 14-pin SO package configuration as listed in the manufacturer's ordering information table. Confirm RoHS compliance status indicated by the '+' suffix. Ensure the component matches the exact pinout and electrical specifications required for the target application design.
Selection Notes
Select this component when a quad comparator configuration is required alongside low power consumption and high speed. It serves as an upgrade to industry-standard comparators like the MAX908. Consider the 14-pin SO package constraints and verify that the 25ns propagation delay meets system timing requirements under expected capacitive load conditions.
Part Context
This part belongs to the MAX9107/MAX9108/MAX9109 family of high-speed, low-power voltage comparators. The MAX9108 specifically provides four independent channels in a compact footprint. It is positioned as a faster, lower-power alternative to legacy devices such as the MAX907/MAX908/MAX909 series while maintaining compatibility with standard logic interfaces.
Replacement Considerations
The datasheet identifies the MAX908 as the industry-standard comparator that the MAX9108 upgrades. Verify pin compatibility and electrical parameter differences when substituting.
