Diodes Incorporated LM2901S14-13

Overview

LM2901S14-13 from Diodes Incorporated is a quad differential voltage comparator IC in SO-14 package, featuring 1 mV typical input offset voltage (A-grade), rail-to-rail common-mode input range including ground, and open-collector outputs compatible with TTL/CMOS/MOS logic. It operates from single supplies (2–36 V) or dual supplies (±1.0–±18 V), with 0.9 mA typical supply current at 5 V and 25 nA input bias current-enabling precision threshold detection in industrial power monitoring and sensor interface circuits.

For engineers reviewing the LM2901S14-13 datasheet, LM2901S14-13 pinout, LM2901S14-13 application, or LM2901S14-13 equivalent, key selection criteria include guaranteed low offset (1 mV typ for A-suffix), wide supply flexibility, output sink capability up to 16 mA, and SO-14 industry-standard pinout supporting drop-in replacement in legacy comparator designs.

Technical Context

The LM2901S14-13 implements four independent PNP-input comparators with uncommitted NPN open-collector outputs, enabling wired-OR configurations and flexible pull-up voltage selection independent of VCC. Its input stage allows common-mode voltages down to −0.3 V and up to VCC − 1.5 V, while differential inputs tolerate up to ±36 V without damage.

Each comparator delivers 200 V/mV minimum large-signal voltage gain, 1.3 µs typical response time at 5.1 kΩ load, and 100 mV typical output saturation voltage at 4 mA sink-supporting fast, low-loss switching in overvoltage protection and zero-crossing detection circuits.

Key Specifications

Pinout & Package

LM2901S14-13 uses a 14-pin SOIC (SO-14) package with industry-standard pinout and green mold compound. Pin assignments are fully compatible with legacy LM2901 designs.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad comparator applications.

Compared with LM339DR and TLV3704IPW, LM2901S14-13 uniquely balances A-grade precision (1 mV offset), SO-14 drop-in compatibility, and 2–36 V supply flexibility-making it optimal for industrial upgrades requiring improved accuracy without layout changes.

Availability

LM2901S14-13 is available at Aetrix Electronics and suitable for industrial power supervision, battery management systems, and AC line monitoring requiring stable component supply and long-term obsolescence support.

Supply support for LM2901S14-13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal devices, with emphasis on high-reliability industrial and automotive solutions.

LM2901S14-13 belongs to the LM2901/2903 series of precision comparators designed specifically for robust, wide-supply-range threshold detection in harsh environments-targeting power conversion, motor control, and sensor interface applications.

FAQ

Can LM2901S14-13 operate from a single 3.3 V supply?

Yes. The LM2901S14-13 supports single-supply operation from 2 V to 36 V, including 3.3 V. At 3.3 V, its input common-mode range extends from 0 V to 1.8 V, and output saturation remains below 200 mV at 4 mA sink-ensuring reliable logic-level interfacing with 3.3 V microcontrollers and FPGAs.

Does LM2901S14-13 require external hysteresis for stable operation?

Hysteresis is recommended when input signals have slow edges or high noise susceptibility. The device's high gain (200 V/mV) makes it prone to oscillation without positive feedback; adding 1–10 mV hysteresis via resistor networks between output and non-inverting input prevents chatter during threshold transitions.

What is the maximum sink current per output of LM2901S14-13?

Each output can sink up to 16 mA continuously, as specified in the Electrical Characteristics table. At this current, saturation voltage rises to ≤400 mV across temperature; for ≤100 mV drop, limit sink current to ≤4 mA-critical for driving logic inputs with tight VIH/VIL margins.

Is LM2901S14-13 RoHS compliant and lead-free?

Yes. LM2901S14-13 is fully RoHS 3 compliant (2015/863/EU), totally lead-free, and halogen/antimony-free ("Green" device), containing <900 ppm bromine, <900 ppm chlorine, and <1000 ppm antimony compounds per Diodes Incorporated's material declarations.