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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH 8SOIC
- 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-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX903CSA+ is a high-speed, low-power single voltage comparator featuring differential analog inputs and TTL-logic outputs with active internal pull-ups. It includes independent TTL-compatible latch inputs to hold output states when driven low. The device 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. It consumes 18mW per comparator at +5V and offers an 8ns typical propagation delay.
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 ranging from +5V to +10V or ±5V
- Analog input common-mode range extends to 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 or direct manufacturer channels. Confirm RoHS compliance status and check for specific manufacturing lot codes. Ensure the package matches the required SOIC footprint. Review the datasheet for absolute maximum ratings to prevent damage during installation.
Selection Notes
Select this part for designs requiring fast response times and latch functionality. Verify compatibility with existing TTL logic levels. Consider power supply requirements for separate analog and digital rails. Evaluate thermal dissipation capabilities within the target operating temperature range.
Part Context
This component belongs to the MAX900–MAX903 family of high-speed, low-power voltage comparators. The MAX903 specifically provides a single comparator channel with latch inputs. Other variants in the series include dual and quad configurations, offering flexibility for multi-channel applications while maintaining consistent performance characteristics across the family.
Replacement Considerations
The MAX903CSA+ is marked as Not Recommended for New Designs. Consult the MAX9201/MAX9202/MAX9203 data sheet for newer, pin-for-pin compatible parts with similar speed but lower power dissipation.
