{"product_id":"10pcs-lm339ad-soic-14-quad-differential-comparator-ic-chips","title":"10pcs LM339AD SOIC-14 Quad Differential Comparator IC Chips","description":"\u003ch2\u003eLM339AD Quad Differential Comparator – 10-Pack SOIC-14\u003c\/h2\u003e\n\u003cp\u003eGet reliable, commercial-grade precision with this 10-piece pack of \u003cstrong\u003eLM339AD \/ LM339ADR \/ LM339ADT\u003c\/strong\u003e quad differential comparator ICs in the compact \u003cstrong\u003eSOIC-14 surface-mount package\u003c\/strong\u003e. Ideal for electronics engineers, hobbyists, and prototypers who need consistent, high-performance voltage comparison in a wide range of circuit designs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuad Comparator:\u003c\/strong\u003e Four independent precision differential comparators in a single 14-pin SOIC package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage Range:\u003c\/strong\u003e Operates on 2V–30V (single supply) or ±1V–±15V (dual supply) for versatile circuit integration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommercial Grade:\u003c\/strong\u003e Meets international standards for general-purpose electronics applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSOIC-14 Package:\u003c\/strong\u003e Space-saving surface-mount footprint, compatible with standard PCB layouts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 10:\u003c\/strong\u003e Great value for prototyping, repair stock, or batch PCB assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Compatibility:\u003c\/strong\u003e LM339ADR, LM339ADT, and LM339AD are fully interchangeable pin-compatible variants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Manufactured without high-concern chemical substances\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral Purpose Use:\u003c\/strong\u003e Suitable for signal conditioning, level detection, oscillators, and logic interfacing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM339ADR \/ LM339ADT \/ LM339AD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSOIC-14 (Surface Mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Comparators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 (Quad)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2V – 30V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDual Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1V – ±15V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommercial\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × LM339AD SOIC-14 Quad Differential Comparator ICs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Are LM339ADR, LM339ADT, and LM339AD interchangeable?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — LM339ADR, LM339ADT, and LM339AD are all pin-compatible SOIC-14 variants of the same quad differential comparator. The suffix differences refer to packaging or tape-and-reel options, but they share the same electrical specifications and footprint, making them fully interchangeable in most circuit designs.\u003c\/p\u003e\n\u003ch4\u003eQ: What supply voltage does the LM339AD support?\u003c\/h4\u003e\n\u003cp\u003eA: The LM339AD quad differential comparator supports a wide supply voltage range: 2V to 30V on a single supply, or ±1V to ±15V on a dual supply. This versatility makes it suitable for a broad range of analog and mixed-signal circuit applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What applications is the LM339AD SOIC-14 comparator IC used for?\u003c\/h4\u003e\n\u003cp\u003eA: The LM339AD is a general-purpose quad differential comparator commonly used in voltage level detection, signal conditioning, zero-crossing detectors, oscillator circuits, analog-to-digital interfacing, and logic level translation in PCB designs.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Are LM339ADR, LM339ADT, and LM339AD interchangeable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — LM339ADR, LM339ADT, and LM339AD are all pin-compatible SOIC-14 variants of the same quad differential comparator. 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