A157 Linear Technology LM2901 Quad Differential Comparator IC, 14-Pin SOIC Surface Mount (LM2901S)

The Linear Technology LM2901 is a high-precision Quad Differential Comparator designed for industrial, automotive, and consumer electronic applications. This IC features four independent comparators in a single compact SOIC-14 package, offering low current drain and a wide input common-mode voltage range that includes ground, even when operated from a single power supply.

Key Technical Specifications

• Function: Quad Differential Comparator

• Number of Channels: 4 Independent Comparators

• Supply Voltage Range: 2V to 36V (Single) or $\pm$1V to $\pm$18V (Split)

• Package Type: SOIC-14 (Small Outline IC) - Surface Mount (SMD)

• Low Supply Current: 0.8mA (typical) independent of supply voltage

• Input Offset Voltage: 2mV (typical)

• Output Type: Open Collector (allows for wired-OR connections)

Applications

• Level Detectors: Precise voltage monitoring and threshold detection.

• Window Comparators: Identifying signals within a specific voltage range.

• Analog-to-Digital Converters: Basic conversion circuits for sensor data.

• Pulse/Square Wave Generators: Creating timing signals in oscillators.

• Automotive Systems: Robust performance in vehicle sensor modules and power management.

Features

• Wide Common-Mode Range: Input common-mode voltage range includes ground.

• Low Input Bias Current: Minimizes errors in high-impedance circuits.

• Direct Interface: Compatible with TTL, DTL, ECL, MOS, and CMOS logic levels.

• Space Efficient: Four comparators in a single 14-pin surface-mount package.

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