component
MAX3485 RS-485 Transceiver
Public Made by Adomby adom
3.3 V half-duplex RS-485/RS-422 transceiver, up to 10 Mbps, with driver and receiver enables.
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page.json+121−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "max3485",+ "title": "MAX3485 RS-485 Transceiver",+ "brief": "3.3 V half-duplex RS-485/RS-422 transceiver, up to 10 Mbps, with driver and receiver enables.", "version": "0.1.0",- "type": "component",- "description": "3.3 V half-duplex RS-485/RS-422 transceiver, up to 10 Mbps, with driver and receiver enables.",+ "license": "CC-BY-SA-4.0", "tags": [ "rs-485", "rs-422",@@ -12,6 +15,121 @@ "adi", "soic-8" ],+ "component": {+ "mpn": "MAX3485",+ "manufacturer": "Analog Devices",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Interface",+ "subcategory": "RS-485 Transceiver",+ "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/MAX3483-MAX3491.pdf",+ "parts": {+ "symbol": "max3485.kicad_sym",+ "footprint": "max3485.kicad_mod",+ "model_3d": "max3485.glb",+ "model_3d_step": "max3485.step"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "RO",+ "type": "output",+ "description": "Receiver Output. If A > B by 200mV, RO will be high; if A < B by 200mV, RO will be low. Drives to VOH = VCC - 0.4V (min) at IOUT = -1.5mA."+ },+ {+ "number": "2",+ "name": "RE",+ "type": "input",+ "description": "Receiver Output Enable (active-low). RO is enabled when RE is low; RO is high-impedance when RE is high. VIH = 2.0V min, VIL = 0.8V max."+ },+ {+ "number": "3",+ "name": "DE",+ "type": "input",+ "description": "Driver Output Enable. Driver outputs A and B are enabled when DE is high and high-impedance when DE is low. VIH = 2.0V min, VIL = 0.8V max."+ },+ {+ "number": "4",+ "name": "DI",+ "type": "input",+ "description": "Driver Input. A low on DI forces output A low and output B high; a high on DI forces output A high and output B low. VIH = 2.0V min, VIL = 0.8V max."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference."+ },+ {+ "number": "6",+ "name": "A",+ "type": "bidirectional",+ "description": "Noninverting Receiver Input and Noninverting Driver Output (half-duplex). Differential bus pin; -7V to +12V common-mode range; VOD (differential driver output) = 1.5V min with RL = 54\u03a9."+ },+ {+ "number": "7",+ "name": "B",+ "type": "bidirectional",+ "description": "Inverting Receiver Input and Inverting Driver Output (half-duplex). Differential bus pin; -7V to +12V common-mode range; complementary to A."+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive Supply: 3.0V \u2264 VCC \u2264 3.6V. ICC \u2248 1.1mA typ (2.2mA max) with no load."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/MAX3483-MAX3491.pdf",+ "pages": 17,+ "sha256": "e648fd27831d1ba1",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Type": "Half-duplex RS-485/RS-422 transceiver",+ "Supply voltage": "3.0 V to 3.6 V",+ "Data rate": "Up to 10 Mbps",+ "Bus": "Differential A / B, up to 32 nodes",+ "Enables": "Separate driver (DE) and receiver (RE)",+ "Operating temperature": "-40 C to 85 C"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "RS-485 transceiver",+ "differential bus",+ "Modbus",+ "half-duplex 485",+ "long-distance serial"+ ],+ "discovery_pitch": "A 3.3 V RS-485 transceiver for robust differential multidrop serial over long cables, up to 10 Mbps.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -28,10 +146,5 @@ "docs/max3485-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }