{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX14778ETP+","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX14778ETP","canonicalUrl":"https://icboms.com/analog-devices/MAX14778ETP","factsUrl":"https://icboms.com/api/mcp/products/MAX14778ETP%2B","rawCanonicalId":null},"summary":{"shortDescription":"Maxim Integrated MAX14778ETP+, dual SP4T analog switch, 1.5Ohm max on-resistance, 75MHz -3dB bandwidth, -103dB crosstalk at 100kHz, 3V to 5.5V supply, -40°C to 85°C, 20-TQFN exposed pad, surface mount.","salesMarkdown":"## Dual SP4T analog switch for precision signal routing The Maxim Integrated MAX14778ETP+ is a dual SP4T (single-pole four-throw) analog switch, integrating two 4:1 multiplexer/demultiplexer circuits in a single 20-TQFN package. It routes up to four differential or single-ended signals per channel with a maximum on-resistance of 1.5 ohm, keeping insertion loss low in precision analog paths. The -3 dB bandwidth of 75 MHz supports video, RF, and high-speed data signals, while the -103 dB crosstalk at 100 kHz ensures minimal bleed between channels in multiplexed acquisition systems. Operating from a single 3 V to 5.5 V supply over -40°C to 85°C, it fits industrial sensor interfaces, data-acquisition front-ends, and ATE signal routing where signal integrity matters. ## On-resistance and charge injection — what they mean for the BOM The 1.5 ohm max on-resistance is the headline spec for this part. In a precision analog chain, every ohm of switch resistance adds a voltage divider with the source impedance and a thermal-noise floor. ## Package and footprint — 20-TQFN with exposed pad The 20-TQFN (5x5 mm) with exposed pad requires a thermal land on the PCB for adequate heat sinking. The exposed pad is electrically connected to the die substrate and should be tied to the most negative supply rail. ## Lifecycle and sourcing The MAX14778ETP+ carries an Active product status per the manufacturer, with ROHS3 compliance. No pin-compatible second source is listed in the manufacturer's cross-reference, so dual-sourcing would require a functional equivalent in a different footprint.","metaTitle":"MAX14778ETP+ SP4T Analog Switch, 1.5Ohm, 75MHz, 20-TQFN","metaDescription":"MAX14778ETP+ dual SP4T analog switch, 1.5Ohm on-resistance, -103dB crosstalk at 100kHz, 75MHz bandwidth, -40°C to 85°C, 20-TQFN. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["DC-DC Power Modules"],"specifications":{"Package":"Tube","Crosstalk":"-103dB @ 100kHz","Mounting Type":"Surface Mount","-3db Bandwidth":"75MHz","Package / Case":"20-WQFN Exposed Pad","Switch Circuit":"SP4T","lifecycle_stage":"eol_hot","Charge Injection":"1720pC","Number of Circuits":"2","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"20-TQFN (5x5)","On-State Resistance (Max)":"1.5Ohm","Switch Time (Ton, Toff) (Max)":"2ms, 1.5ms","Voltage - Supply, Single (V+)":"3V ~ 5.5V","Current - Leakage (IS(off)) (Max)":"1µA","Multiplexer/Demultiplexer Circuit":"4:1","Channel Capacitance (CS(off), CD(off))":"78pF"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$11.24","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$11.24000","currency":"USD"},{"qty":10,"price":"$10.33200","currency":"USD"},{"qty":25,"price":"$9.90400","currency":"USD"},{"qty":100,"price":"$8.72630","currency":"USD"},{"qty":250,"price":"$8.29796","currency":"USD"},{"qty":500,"price":"$7.76262","currency":"USD"},{"qty":1000,"price":"$7.12020","currency":"USD"}]},"links":{"datasheetUrl":"https://www.analog.com/media/en/technical-documentation/data-sheets/MAX14778.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the crosstalk performance of MAX14778ETP+?","answer":"The MAX14778ETP+ specifies -103 dB crosstalk at 100 kHz. This level of isolation keeps channel bleed well below the noise floor of 16-bit data-acquisition systems, making it suitable for multiplexed analog front-ends."},{"question":"Can MAX14778ETP+ be used as an analog multiplexer?","answer":"Yes. The MAX14778ETP+ is a dual 4:1 multiplexer/demultiplexer (SP4T per channel). It routes one of four inputs to a common output per channel, operating from a single 3 V to 5.5 V supply over -40°C to 85°C."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX14778ETP","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX14778ETP 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}}