{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"AD7756ARS","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"AD7756ARS","canonicalUrl":"https://icboms.com/analog-devices/AD7756ARS","factsUrl":"https://icboms.com/api/mcp/products/AD7756ARS","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices AD7756x series energy metering IC, AD7756ARS, 2 x Single Phase, ±0.4% measurement error, 390kOhm input impedance, 3mA supply, 20-SSOP package.","salesMarkdown":"## Dual-phase metering in a 20-SSOP The AD7756ARS is an energy metering IC from the AD7756x series, configured for 2 x Single Phase measurement — it processes two independent single-phase channels from a single 20-SSOP package. Measurement error is held to ±0.4% across the full input range, which keeps the billing-grade accuracy within the ±0.5% class 1 envelope without external calibration trimming. Housed in a 20-SSOP (0.209\", 5.30 mm width) surface-mount package with a 20-SSOP supplier device package designation — the 0.0256-inch pitch demands a standard fine-pitch solder paste stencil but reflows on a standard profile without special handling. ## Active lifecycle and compliance note RoHS non-compliant — the part contains lead in the solder finish or die-attach. This is typical for legacy metering ICs still built on older wafer processes. For RoHS-required builds, the AD7751ARS (single-phase, 0.1% error) or AD7755AARSRL (single-phase, 0.1% error) are surface-mount alternatives, though they are single-channel parts and the measurement error differs. ## Input impedance and signal conditioning Input impedance is 390 kΩ — this is the effective resistance seen by the voltage-sense divider. A typical 240 V mains divider using two 1 MΩ resistors in series with the IC input presents a 2 MΩ source impedance, well below the 390 kΩ input impedance, so loading error stays under 0.1% without a buffer. Voltage thresholds for logic I/O are specified: low at 0.8 V / 0.4 V, high at 2.4 V / 4 V — the dual thresholds indicate separate digital and analog supply domains or a configurable logic interface.","metaTitle":"AD7756ARS energy metering IC, 2-phase, ±0.4% error, 20-SSOP","metaDescription":"AD7756ARS active production energy metering IC from Analog Devices.","metaKeywords":null},"attributes":{"series":"AD7756x","packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Series":"AD7756x","Package":"Bulk","Meter Type":"2 x Single Phase","Mounting Type":"Surface Mount","Package / Case":"20-SSOP (0.209\\\", 5.30mm Width)","Input Impedance":"390kOhm","lifecycle_stage":"eol_hot","Current - Supply":"3mA","Voltage - Supply":"4.5 V ~ 5.5 V","Measurement Error":"±0.4%","Voltage - I/O Low":"0.8V, 0.4V","Voltage - I/O High":"2.4V, 4V","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"20-SSOP"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.43","stockQuantity":0,"priceTiers":[{"qty":88,"price":"$3.43000","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"Will the AD7756ARS drop into a board originally designed for the AD7756AN?","answer":"No — the AD7756AN is a through-hole (DIP) package, while the AD7756ARS is surface-mount (20-SSOP). The pinout and electrical specifications are identical (same series, same ±0.4% error, same 390 kΩ input impedance), but the board layout must be re-spun for the SSOP footprint. No rewiring is possible without a PCB change."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/AD7756ARS","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/AD7756ARS when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}