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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Type：with Latch
- Number of Elements：1
- Output Type：TTL
- Voltage - Supply, Single/Dual (±)：5V ~ 10V, ±2.5V ~ 5V
- Voltage - Input Offset (Max)：4mV @ ±5V
- Current - Input Bias (Max)：10µA @ ±5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：4mA, 3mA, 1.5mA
- CMRR, PSRR (Typ)：82.5dB CMRR, 80dB PSRR
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX903ESA-T is a high-speed, low-power single voltage comparator from the MAX900–MAX903 series. It features differential analog inputs and TTL-logic outputs with active internal pull-ups. The device includes an independent TTL-compatible latch input to hold output states. Typical propagation delay is 8ns at 5mV overdrive. Power consumption is typically 18mW per comparator when powered from +5V. It supports separate analog and digital supplies or a single combined supply.
Feature Summary
- Features fast propagation delay for high-speed data discrimination applications
- Includes independent TTL-compatible latch inputs to hold comparator output states
- Supports flexible analog supply ranging from +5V to +10V or ±5V
- Analog input common-mode range includes the negative supply rail
Applications
- High-speed A/D converters
- Line receivers
- Voltage-to-frequency (V/F) converters
- Threshold detectors
- Input trigger circuitry
Procurement Notes
Verify component authenticity through authorized distributors. Confirm package integrity and pin alignment upon receipt. Check datasheet revisions for updates. Ensure storage conditions meet specified limits. Validate electrical parameters against official specifications before integration into designs.
Selection Notes
Select this part for applications requiring fast response times and latch functionality. Consider power supply requirements as it supports both split and single supplies. Evaluate thermal management needs due to internal power dissipation. Verify compatibility with TTL logic levels for interfacing. Review absolute maximum ratings to prevent damage during operation.
Part Context
The MAX903 is part of the MAX900–MAX903 family of high-speed, low-power voltage comparators. This series offers single, dual, and quad configurations. The MAX903 specifically provides a single comparator channel with latch capability. It is designed for data-discrimination tasks requiring precise threshold detection.
Replacement Considerations
The MAX9201/MAX9202/MAX9203 are recommended replacements offering pin-for-pin compatibility with half the power dissipation.
