LM2901MX/NOPB

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LM2901MX/NOPB

LM2901-N LOW OFFSET, QUAD DIFFER

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Übersicht

Description

- What it is: TI LM2901MX/NOPB is a quad voltage comparator in an 8-pin package (MX). NOPB means Pb-free.
- Key features: four independent comparators with open-collector outputs; operates from a single supply of 2 to 36 V; input common-mode includes ground; outputs sink current only (requires external pull-up resistors).
- Package note: MX denotes the specific 8-pin package variant; check datasheet for exact footprint and lead-free status.
- Applications: level detection, threshold sensing, zero/line detection, battery monitoring, and simple hysteresis circuits.
- Design tips: provide proper pull-ups to a suitable voltage, respect input common-mode limits (avoid driving inputs above Vcc − margin), add hysteresis if signals are slow or noisy, and account for propagation delay.

Features

LM2901MX/NOPB features (concise):
- Quad differential input comparators (four channels)
- Open-collector outputs (sinking; requires external pull-up resistors)
- Wide supply voltage: 2 V to 36 V
- Input common-mode range includes ground (0 V)
- Low static current / low power operation
- High gain and fast response suitable for level detection and window comparators
- Temperature range typically -40°C to 125°C (industrial)
- Pb-free, RoHS-compliant (NOPB)
- Available in MX (surface-mount) package
Note: Exact electrical specs (e.g., output sink current, propagation delay) vary by device and operating conditions.

Package

LM2901MX/NOPB comes in a 14-pin Small Outline Package (MSOP-14), Pb-free (NOPB).

Pinout

Pin count: 14 pins (DIP-14/SOIC-14).
Function: LM2901MX/NOPB is a quad differential comparator with four independent comparator channels and open-collector outputs. Each comparator compares a pair of inputs (non-inverting and inverting); outputs require pull-ups.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- About the company: TI is a multinational American semiconductor company that designs, manufactures, and sells analog and digital integrated circuits for electronics and embedded systems.

Application

- Quad low-power comparator with open-collector outputs
- Applications: voltage level detection, window/zero-cross detectors, threshold/hysteresis circuits
- Power/supply: wide range (about 2–36 V)
- Use cases: undervoltage/overvoltage protection, power-supply regulation, PWM/regulator control, motor control, sensor front-ends, TTL/CMOS level shifting
- Suitable for automotive, industrial, and consumer electronics environments

Equivalent

Closest cross-reference: LM339 (quad open-collector comparator). Direct equivalents from other suppliers include LM2901 variants (National/Onsemi/NXP) and the LM139/LM239 family, which are functionally similar quad comparators. In practice, any LM2901-compatible quad comparator with the same pinout and voltage range can replace LM2901MX/NOPB; just verify package and RoHS/NOPB suffix if required.

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