component
MCP3421 18-Bit I2C ADC
Public Made by Adomby adom
18-bit delta-sigma ADC with I2C, on-chip reference and PGA, in a tiny SOT-23-6.
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page.json+111−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "mcp3421",+ "title": "MCP3421 18-Bit I2C ADC",+ "brief": "18-bit delta-sigma ADC with I2C, on-chip reference and PGA, in a tiny SOT-23-6.", "version": "0.1.0",- "type": "component",- "description": "18-bit delta-sigma ADC with I2C, on-chip reference and PGA, in a tiny SOT-23-6.",+ "license": "CC-BY-SA-4.0", "tags": [ "adc", "delta-sigma",@@ -12,6 +15,111 @@ "microchip", "sot-23-6" ],+ "component": {+ "mpn": "MCP3421",+ "manufacturer": "Microchip",+ "package": "SOT-23-6",+ "pin_count": 6,+ "category": "Analog",+ "subcategory": "Analog-to-Digital Converter",+ "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/22003e.pdf",+ "parts": {+ "symbol": "mcp3421.kicad_sym",+ "footprint": "mcp3421.kicad_mod",+ "model_3d": "mcp3421.glb",+ "model_3d_step": "mcp3421.step"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VIN+",+ "type": "input",+ "description": "Positive differential analog input. Absolute voltage range VSS-0.3 V to VDD+0.3 V. Differential input range \u00b12.048 V/PGA; common-mode input impedance ~25 M\u03a9."+ },+ {+ "number": "2",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground / analog return. Tie to the analog ground plane through a low-impedance connection."+ },+ {+ "number": "3",+ "name": "SCL",+ "type": "input",+ "description": "I2C serial clock input (slave). Accepts standard, Fast, and High-Speed mode clocks; data on SDA is shifted on SCL edges."+ },+ {+ "number": "4",+ "name": "SDA",+ "type": "bidirectional",+ "description": "I2C bidirectional serial data. Open-drain; requires external pull-up. VIH \u2265 0.7\u00b7VDD, VIL \u2264 0.3\u00b7VDD, VOL \u2264 0.4 V at 3 mA."+ },+ {+ "number": "5",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply, 2.7 V to 5.5 V. Bypass with 0.1 \u00b5F ceramic (and additional 10 \u00b5F tantalum recommended) to VSS."+ },+ {+ "number": "6",+ "name": "VIN-",+ "type": "input",+ "description": "Negative differential analog input. Tie to VSS for single-ended operation. Absolute voltage range VSS-0.3 V to VDD+0.3 V."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/22003e.pdf",+ "pages": 42,+ "sha256": "5249b67ed71256bc",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 6,+ "described": 6,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Resolution": "12/14/16/18-bit (selectable)",+ "Architecture": "Delta-sigma",+ "Inputs": "1 differential",+ "Reference": "Internal 2.048 V",+ "PGA gain": "1x, 2x, 4x, 8x",+ "Interface": "I2C",+ "Supply voltage": "2.7 V to 5.5 V",+ "Operating temperature": "-40 C to 125 C"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "18-bit ADC",+ "I2C ADC",+ "precision measurement",+ "single-channel ADC",+ "tiny ADC"+ ],+ "discovery_pitch": "An 18-bit ADC with a built-in reference and PGA over I2C, in a 6-pin package for precision single-channel measurement.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -28,10 +136,5 @@ "docs/mcp3421-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }