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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 featuring TTL-logic outputs with active internal pull-ups. It operates from separate analog and digital supplies or a single combined supply. The device includes independent TTL-compatible latch inputs to hold output states. Typical propagation delay is 8ns at 5mV overdrive. Power consumption is 18mW per comparator at +5V. Input common-mode range includes the negative rail for ground sensing.
Feature Summary
- Features fast propagation delay ideal 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 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 Analog Devices or Maxim Integrated distributors. Confirm package integrity and pin alignment against the 8-DIP specification. Review datasheet revision history for any parameter updates. Ensure environmental compliance matches project requirements. Validate that the specific ordering suffix corresponds to the desired temperature grade and packaging format.
Selection Notes
Select this part for designs requiring fast response times and latch functionality in a single channel. Consider the MAX920x series for newer designs offering similar speed with reduced power dissipation. Evaluate supply configuration needs, as the device supports both split and single-supply operation. Verify that the TTL output drive capability meets downstream logic fan-out requirements without additional buffering.
Part Context
The MAX903 is part of the MAX900–MAX903 family of high-speed, low-power voltage comparators manufactured by Analog Devices Inc./Maxim Integrated. This family includes single, dual, and quad variants. The MAX903 specifically provides one comparator channel with latch inputs in an 8-pin package. These devices are optimized for applications demanding rapid signal processing and threshold detection.
Replacement Considerations
The MAX903CSA is listed as a direct replacement option.
