{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM4953SD/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM4953SD-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LM4953SD-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LM4953SD%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM4953SD/NOPB audio amplifier, 1 channel, active lifecycle, Bulk package.","salesMarkdown":"## What this part is and where it fits The LM4953SD/NOPB from Texas Instruments is a single-channel audio amplifier. It is designed to drive a speaker load from a low-voltage supply, typical in portable audio, headphone amps, or small-signal line drivers. The part is listed as active in lifecycle, so it remains a current-production choice for new BOMs and replacement builds alike. ## Package and handling at the bench This part ships in Bulk — loose tubes or antistatic bags, not tape-and-reel. For a rework tech that means no carrier tape to manage; just lift the part from the tube with tweezers. ## Sourcing and lifecycle reality The LM4953SD/NOPB carries an Active product status. That means no end-of-life notice is in effect, and the manufacturer continues to support it. For procurement, this part can be specified into production without an LTB clock ticking.","metaTitle":"LM4953SD/NOPB Audio Amplifier, 1 Channel","metaDescription":"LM4953SD/NOPB is an active audio amplifier, 1 channel. Sourced to order against RFQ. Get current pricing and availability at quote time.","metaKeywords":null},"attributes":{"series":"*","packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Series":"*","Package":"Bulk","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.25","stockQuantity":0,"priceTiers":[{"qty":241,"price":"$1.25000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/3fd430dc037c49ced90d2b84ed7cc90d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the LM4953SD/NOPB?","answer":"The LM4953SD/NOPB is a single-channel audio amplifier from Texas Instruments, used for driving speakers or headphones in portable and low-voltage audio applications."},{"question":"What is the difference between LM4953SD and LM4953SD/NOPB?","answer":"The /NOPB suffix indicates a lead-free (no-lead) finish. The LM4953SD without the suffix may use a tin-lead finish. Functionally they are the same amplifier, but the /NOPB variant meets RoHS requirements for lead-free assembly."},{"question":"What is the pinout of LM4953SD/NOPB?","answer":"The pinout follows the standard small-outline footprint for this audio amplifier family. Pin 1 is marked by a dot on the package top. Refer to the manufacturer datasheet for the exact pin assignments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM4953SD-NOPB","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM4953SD-NOPB when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}