{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX4518ESD+","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX4518ESD","canonicalUrl":"https://icboms.com/analog-devices/MAX4518ESD","factsUrl":"https://icboms.com/api/mcp/products/MAX4518ESD%2B","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices MAX4518ESD+ CMOS analog switch, SP4T 4:1 multiplexer/demultiplexer, 100 Ohm on-resistance, 14-SOIC surface mount package, tube.","salesMarkdown":"## SP4T switch with 4:1 mux topology The MAX4518ESD+ is a single-pole four-throw (SP4T) CMOS analog switch configured as a 4:1 multiplexer/demultiplexer. It routes one common I/O to any of four independent channels, or vice versa, with a maximum on-resistance of 100 ohms across the full signal swing. Channel-to-channel matching is held to 4 ohms max, so the insertion loss stays consistent regardless of which path is selected — useful when the mux feeds a downstream ADC or amplifier that expects a stable source impedance. ## Signal integrity and switching performance Crosstalk between channels is -92 dB at 100 kHz, meaning a signal on one channel couples into an adjacent off-channel at roughly 25 µV per volt of signal — negligible for 12-bit systems and workable for many 16-bit precision chains. Charge injection is 5 pC max. When the switch opens, that tiny packet of charge dumps onto the load capacitance; at a 10 pF load it translates to a 500 mV glitch, so keep the downstream capacitance higher or add a sample-and-hold if you're switching into a high-impedance node. Switching times are 150 ns for both turn-on and turn-off, which sets the maximum multiplexing rate at roughly 3.3 MHz before the output doesn't settle. The off-channel leakage is just 100 pA max, so high-impedance sensor inputs won't see a bias shift from the switch. Runs from a single supply of 2 V to 15 V, or dual supplies of ±2.7 V to ±8 V. That dual-rail option lets the switch pass bipolar signals without a DC bias — handy when you're multiplexing audio or bipolar sensor outputs into a ±5 V ADC front end. The tube packaging means you get a few parts per tube, not a whole reel, which suits prototype runs and small-batch builds. Fully ROHS3 compliant, so it meets the latest EU restriction directive without exemption claims.","metaTitle":"MAX4518ESD+ SP4T Analog Switch, 100 Ohm, 14-SOIC","metaDescription":"MAX4518ESD+ SP4T CMOS analog switch from Analog Devices. 100 Ohm on-resistance, -92dB crosstalk at 100kHz, 5pC charge injection. Active production, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Interface & Transceivers"],"specifications":{"Package":"Tube","Crosstalk":"-92dB @ 100kHz","Mounting Type":"Surface Mount","Package / Case":"14-SOIC (0.154\\\", 3.90mm Width)","Switch Circuit":"SP4T","lifecycle_stage":"eol_hot","Charge Injection":"5pC (Max)","Number of Circuits":"1","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"14-SOIC","On-State Resistance (Max)":"100Ohm","Voltage - Supply, Dual (V±)":"±2.7V ~ 8V","Switch Time (Ton, Toff) (Max)":"150ns, 150ns","Voltage - Supply, Single (V+)":"2V ~ 15V","Current - Leakage (IS(off)) (Max)":"100pA","Multiplexer/Demultiplexer Circuit":"4:1","Channel Capacitance (CS(off), CD(off))":"5pF, 16pF","Channel-to-Channel Matching (ΔRon)":"4Ohm (Max)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.03","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$5.03000","currency":"USD"},{"qty":10,"price":"$4.51900","currency":"USD"},{"qty":25,"price":"$4.27240","currency":"USD"},{"qty":100,"price":"$3.70270","currency":"USD"},{"qty":250,"price":"$3.51280","currency":"USD"},{"qty":500,"price":"$3.15200","currency":"USD"},{"qty":1000,"price":"$2.65832","currency":"USD"},{"qty":2500,"price":"$2.52540","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/576c10101bf64db406b25b87f40a8837.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the crosstalk specification of the MAX4518ESD+?","answer":"The MAX4518ESD+ achieves -92 dB crosstalk between channels at 100 kHz. This means signal bleed from an active channel into an off channel is about 25 µV per volt of signal, suitable for precision analog multiplexing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX4518ESD","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX4518ESD when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}