{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DG419CY+","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"DG419CY","canonicalUrl":"https://icboms.com/analog-devices/DG419CY","factsUrl":"https://icboms.com/api/mcp/products/DG419CY%2B","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices DG419CY+ SPDT analog switch, 1 circuit, 35 Ohm on-resistance, 175ns/145ns switching, -85dB crosstalk, 8-SOIC surface mount, tube.","salesMarkdown":"## Switch topology and signal routing The DG419CY+ is a single-pole double-throw (SPDT) analog switch configured as a 2:1 multiplexer/demultiplexer, routing one common terminal to either of two independent I/O pins. The SPDT topology suits signal selection, sample-hold front-ends, and gain-switching networks where one signal path must be active at a time. Maximum on-resistance is 35 Ohm, with channel-to-channel matching held to 3 Ohm max — tight enough that the insertion loss difference between the two legs stays below 0.1 dB into a 10 kOhm load. Off-state leakage is 250 pA max, so the switch does not load the signal source when the channel is open. ## Switching speed and signal isolation Turn-on time is 175 ns max, turn-off 145 ns max — the part toggles at several MHz without distorting the settling window. Crosstalk between channels is -85 dB at 1 MHz, meaning a 1 Vpp signal on the active channel couples less than 60 µV into the off channel at that frequency. Charge injection is 3 pC typical — when the switch opens, the injected charge shifts the sampled voltage by roughly 3 pC / C_hold, a figure that matters in precision sample-hold circuits where the hold capacitor is in the tens of picofarads. Off-channel capacitance is 8 pF on both source and drain sides. ## Supply flexibility and operating range Dual-rail operation lets the switch handle bipolar signals without level shifting — the analog signal range tracks the supply rails. Single-supply mode is simpler for unipolar signals up to 30 V. The part is specified over this range, so derating or guard-banding is not required for indoor bench or rack equipment. Sourced to order against RFQ through authorized and independent distribution.","metaTitle":"DG419CY+ Analog Devices SPDT Switch, 35Ohm, 8-SOIC","metaDescription":"DG419CY+ Analog Devices SPDT analog switch, 35Ohm on-resistance, 175ns/145ns switching, -85dB crosstalk, 8-SOIC. Active, RoHS3. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Package":"Tube","Crosstalk":"-85dB @ 1MHz","Mounting Type":"Surface Mount","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","Switch Circuit":"SPDT","lifecycle_stage":"eol_hot","Charge Injection":"3pC","Number of Circuits":"1","Operating Temperature":"0°C ~ 70°C (TA)","Supplier Device Package":"8-SOIC","On-State Resistance (Max)":"35Ohm","Voltage - Supply, Dual (V±)":"±4.5V ~ 20V","Switch Time (Ton, Toff) (Max)":"175ns, 145ns","Voltage - Supply, Single (V+)":"10V ~ 30V","Current - Leakage (IS(off)) (Max)":"250pA","Multiplexer/Demultiplexer Circuit":"2:1","Channel Capacitance (CS(off), CD(off))":"8pF, 8pF","Channel-to-Channel Matching (ΔRon)":"3Ohm (Max)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.03","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$6.03000","currency":"USD"},{"qty":10,"price":"$5.45000","currency":"USD"},{"qty":25,"price":"$5.19680","currency":"USD"},{"qty":100,"price":"$4.51250","currency":"USD"},{"qty":250,"price":"$4.30968","currency":"USD"},{"qty":500,"price":"$3.92940","currency":"USD"},{"qty":1000,"price":"$3.42238","currency":"USD"},{"qty":2500,"price":"$3.29563","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/9e5bb6763851b16f3b87ba36c82dc84d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the crosstalk specification for DG419CY+?","answer":"Crosstalk is -85 dB at 1 MHz between channels. This means a 1 V signal on the active channel couples less than 60 µV into the off channel at 1 MHz, which is adequate for 12-bit precision analog multiplexing at moderate frequencies."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/DG419CY","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/DG419CY 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}}