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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH 8DIP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- 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：0°C ~ 70°C
- Package / Case：8-DIP (0.300", 7.62mm)
- Mounting Type：Through Hole
- Supplier Device Package：8-PDIP
- Grade：-
- Qualification：-
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Overview
The MAX903CPA is a high-speed, low-power single voltage comparator manufactured by Analog Devices Inc./Maxim Integrated. It features differential analog inputs and TTL-logic outputs with active internal pull-ups. The device includes independent TTL-compatible latch inputs to hold output states when driven low. It supports separate analog and digital power supplies or a single combined supply, with an analog input common-mode range that includes the negative rail for ground sensing. Typical propagation delay is 8ns at 5mV overdrive, and power consumption is 18mW per comparator at +5V.
Feature Summary
- Features fast propagation delay suitable for high-speed data discrimination applications
- Includes independent TTL-compatible latch inputs to maintain output states
- Supports flexible analog supply voltages ranging from +5V to +10V or ±5V
- Analog input common-mode range extends to the negative supply rail
Applications
- High-speed A/D converters
- Sampling circuits
- Line receivers
- Voltage-to-frequency (V/F) converters
- Data-discrimination applications
Procurement Notes
Verify component authenticity through authorized distributors or manufacturer channels. Confirm package integrity and pin alignment upon receipt. Check datasheet revisions for any updates to electrical characteristics or pin configurations. Ensure storage conditions comply with moisture sensitivity levels specified in the documentation. Validate compatibility with existing circuit designs before integration.
Selection Notes
Select this component for applications requiring fast response times and latch functionality. Consider the need for separate analog and digital grounds to minimize noise interference. Evaluate power supply requirements against available system rails. Assess thermal management needs based on operating temperature ranges and power dissipation specifications.
Part Context
The MAX903CPA belongs to the MAX900–MAX903 family of high-speed, low-power voltage comparators. This series offers single, dual, and quad configurations with varying numbers of comparators and latch capabilities. The MAX903 specifically provides a single comparator with latch inputs in an 8-pin plastic DIP package.
Replacement Considerations
The MAX903CSA+ is listed as a direct replacement for the MAX903CSA variant. For newer designs seeking similar performance with reduced power consumption, the MAX9201/MAX9202/MAX9203 series is recommended as a pin-for-pin compatible alternative.
