LM2903DQ-SO1R-S

Overview

The LM2903DQ-SO1R-S is a dual-channel voltage comparator manufactured by 3PEAK, designed for operation with single or dual power supplies ranging from +3 V to +36 V. It features low quiescent current consumption and fast response times suitable for high-speed sampling circuits. The device includes an open-drain output configuration that supports wired-AND logic connections. It operates reliably across a temperature range of −40°C to +125°C.

Feature Summary

• Wide supply voltage compatibility supporting both single and dual power configurations
• Low power consumption characteristics enabling efficient battery-powered applications
• Open-drain output architecture allowing flexible logic interfacing and wired-AND functionality
• Robust input common-mode voltage range extending down to ground potential

Applications

• High-speed sampling circuits
• Peak and zero-crossing detectors
• Threshold detectors and discriminators
• Sensing at ground or supply line levels

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure the component meets required environmental standards such as RoHS compliance before integration into final designs.

Selection Notes

Select this component when designing systems requiring dual comparators with low offset voltage and wide supply voltage tolerance. Consider its open-drain output capability if wired-AND logic is necessary within the circuit topology.

Part Context

This part belongs to the LM2903D series of 36-V dual comparators produced by 3PEAK. The series is engineered for general-purpose analog comparison tasks, offering a balance of speed and power efficiency in standard surface-mount packages.

Replacement Considerations

Consult the manufacturer's datasheet for officially listed compatible substitutes. Verify pinout and electrical parameter alignment before replacing existing components in established designs.