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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- 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-T is a quad, high-speed, low-power voltage comparator from the MAX9107/MAX9108/MAX9109 family. It operates on a single +5V supply (4.5V to 5.5V) and features a propagation delay of 25ns with 1.75mW power consumption per channel. The device includes internal hysteresis for clean switching and TTL-compatible outputs. It supports a wide input common-mode range extending from 200mV below ground to within 1.5V of VCC. The component is housed in a 14-pin SO package and functions over an operating temperature range of -40°C to +85°C.
Feature Summary
- TTL-compatible outputs eliminate the need for external pullup circuitry
- Internal hysteresis ensures clean output switching with slow-moving signals
- Wide input common-mode range extends below ground potential
Applications
- Battery powered systems
- A/D converters
- Line receivers
- Threshold detectors/discriminators
- Sampling circuits
Procurement Notes
Verify the specific ordering suffix 'ESD' corresponds to the 14-pin SO package configuration as documented in the manufacturer's official datasheet. Confirm that the '-T' designation indicates tape-and-reel packaging if required by the assembly process. Ensure the component meets the specified RoHS compliance standards before final procurement integration.
Selection Notes
Select this component when a quad-channel comparator with TTL outputs is required without external pullups. It serves as a direct upgrade to older industry-standard comparators like the MAX908, offering higher speed and lower power consumption. Consider the 14-pin SO package constraints and verify that the 25ns propagation delay aligns with system timing requirements.
Part Context
The MAX9108ESD-T belongs to the MAX910x series, which includes dual (MAX9107), quad (MAX9108), and single (MAX9109) variants. This series is designed specifically for single-supply +5V applications. The MAX9108 variant provides four independent channels in a compact footprint, distinguishing it from the latch-enabled MAX9109 or the smaller package options available for other series members.
Replacement Considerations
The MAX9108EUD+T is a verified substitute part number within the same product family, differing primarily in package type (TSSOP-14 vs. SO-14). Both share identical electrical characteristics and functionality.
