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Product Detailed Parameters
- Description：IC COMPARATOR 1 W/LATCH 8DIP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube,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：-40°C ~ 85°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 MAX903EPA is a high-speed, low-power voltage comparator featuring a single channel with TTL-logic outputs and active internal pull-ups. It operates from separate analog and digital supplies or a single combined supply, consuming 18mW per comparator at +5V. The device includes independent TTL-compatible latch inputs to hold output states. It offers an 8ns typical propagation delay at 5mV overdrive and supports flexible analog supply voltages ranging from +5V to +10V or ±5V.
Feature Summary
- Features fast propagation delay of 8ns typical at 5mV overdrive for high-speed data discrimination.
- Includes independent TTL-compatible latch inputs to hold comparator output states when driven low.
- Supports separate analog and digital power supplies or a single combined supply configuration.
- Analog input common-mode range extends to the negative supply rail for ground sensing.
Applications
- High-speed A/D converters
- Line receivers
- Voltage-to-frequency (V/F) converters
- Threshold detectors
Procurement Notes
Verify component authenticity through authorized distributors or manufacturer channels. Confirm package integrity and pin alignment against the 8-PDIP specification. Review datasheet revisions for any updates regarding manufacturing changes or obsolescence notices before finalizing procurement plans.
Selection Notes
Select this part for applications requiring fast response times and latch functionality. Ensure supply voltage requirements match the +5V to +10V analog range. Consider thermal dissipation limits if operating in high-density environments. Verify that TTL logic levels are compatible with downstream circuitry.
Part Context
This component belongs to the MAX900–MAX903 family of high-speed comparators manufactured by Maxim Integrated. The MAX903 specifically provides a single-channel configuration with latch capabilities. It is designed for precision data-discrimination tasks where speed and low power consumption are critical performance factors.
Replacement Considerations
The MAX9201/MAX9202/MAX9203 series offers pin-for-pin compatibility with similar speed characteristics but reduced power dissipation. Verify functional equivalence and supply requirements when considering these alternatives for existing designs.
