10 Pieces LM393 DIP-8 Low Power Dual Comparator

Description

Product Overview

The LM393 from HUABAN is a low power dual comparator designed for a broad spectrum of electronic applications, from industrial control systems to hobbyist prototypes. Housed in a compact DIP-8 package, this component offers a balance of performance, reliability, and ease of integration. Its internal architecture enables precise voltage comparison with a typical supply voltage range of 2 V to 36 V, making it suitable for both low‑voltage battery‑powered devices and higher‑voltage industrial equipment. The device features an open‑collector output stage, allowing flexible interfacing with a variety of load types, including LEDs, relays, and transistor switches. With a typical quiescent current of only 0.5 mA per comparator, the LM393 minimizes power consumption, which is essential for extending the operational life of portable and remote systems. The package dimensions of 4.33 × 2.64 × 0.47 inches and a weight of 0.71 ounces ensure that it can be comfortably accommodated on standard breadboards and printed circuit boards without requiring special mounting hardware.

Manufactured by HUABAN, a reputable supplier in the semiconductor market, the LM393 adheres to strict quality control standards. The component has earned a 5‑star rating from customers, reflecting its consistent performance and durability in demanding environments. The product is listed under the category Industrial & Scientific > Industrial Electrical > Semiconductor Products > Signal Components > Comparators, highlighting its relevance for engineers seeking reliable signal processing solutions. The inclusion of a 10‑piece quantity per pack provides designers with sufficient inventory for development, testing, and small‑scale production runs, reducing the need for frequent reordering and ensuring continuity in project timelines.

Usage

The LM393 comparator excels in applications where accurate voltage threshold detection is required. Typical use cases include sensor interfacing, where the comparator can translate analog sensor outputs into clean digital signals for microcontroller inputs. In power management circuits, the LM393 can monitor battery voltage levels and trigger protective shutdowns or charging events, safeguarding devices from over‑discharge or over‑voltage conditions. Its low power consumption makes it an ideal choice for remote monitoring stations, wearable electronics, and IoT devices that rely on battery power or energy harvesting techniques.

Engineers often employ the LM393 in signal conditioning circuits, such as window comparators, where two LM393 units are configured to detect whether an input signal falls within a predefined voltage range. This capability is valuable in industrial automation for detecting fault conditions, temperature thresholds, or pressure limits. The open‑collector output allows the comparator to drive external pull‑up resistors, enabling easy interfacing with logic families like TTL or CMOS, and providing flexibility in designing level‑shifting circuits.

In educational settings, the LM393 serves as a practical teaching tool for illustrating fundamental concepts of analog-to-digital conversion, hysteresis implementation, and comparator behavior under varying supply conditions. Its robust construction and forgiving input characteristics make it tolerant to common mistakes made by students and hobbyists, such as improper biasing or transient voltage spikes.

Why Choose Us

Choosing the HUABAN LM393 means selecting a component backed by a legacy of quality assurance and customer support. Each unit undergoes rigorous testing for parameters such as input offset voltage, response time, and output saturation, ensuring that the specifications listed in the datasheet are reliably met in real‑world applications. HUABAN’s commitment to continuous improvement means that the manufacturing processes are regularly audited, and any deviations are promptly addressed to maintain product consistency.

Our distribution network guarantees fast and reliable delivery, with the 10‑piece pack designed to meet the needs of both prototype developers and small production runs. In addition, we provide comprehensive technical documentation, including detailed application notes, reference schematics, and design guidelines that help engineers accelerate development cycles and reduce time‑to‑market.

Customer satisfaction is a core priority. Our technical support team is available to assist with design queries, troubleshooting, and optimization strategies, ensuring that you receive the guidance needed to integrate the LM393 seamlessly into your projects. We also offer flexible return policies and warranty coverage, reflecting confidence in the durability and performance of our products.

By partnering with HUABAN, you gain access to a trusted brand that values transparency, reliability, and long‑term relationships with engineers and designers across the globe. Our focus on sustainable manufacturing practices further underscores our dedication to delivering high‑quality components while minimizing environmental impact.

Key Features

• Low power consumption of 0.5 mA per comparator, extending battery life for portable devices.
• Open‑collector output provides flexible interfacing with a wide range of load types.
• Wide supply voltage range (2 V‑36 V) accommodates diverse application environments.
• Robust DIP‑8 packaging ensures easy handling and reliable soldering on PCBs.
• Comprehensive technical support and documentation for rapid design integration.

FAQ

What is the typical response time of the LM393 comparator?

The LM393 typically exhibits a response time of around 1.3 µs, which is sufficient for most low‑frequency signal detection tasks and many control system applications.

Can the LM393 be used with a single supply voltage?

Yes, the LM393 is designed to operate with a single supply voltage ranging from 2 V up to 36 V, making it suitable for both low‑voltage battery‑powered circuits and higher‑voltage industrial systems.

How does the open‑collector output affect circuit design?

The open‑collector output requires an external pull‑up resistor, allowing you to select the appropriate logic level and drive capability for your specific application, whether interfacing with TTL, CMOS, or other logic families.

Is the LM393 suitable for temperature‑sensitive applications?

Yes, the LM393 is rated for operation over a temperature range of –40 °C to +125 °C, ensuring stable performance in environments ranging from cold outdoor installations to heated industrial equipment.

What support is available if I encounter integration issues?

HUABAN provides dedicated technical support, including application notes, reference designs, and direct assistance from experienced engineers to help resolve any integration challenges you may face.