component
AD620 Instrumentation Amplifier
Public Made by Adomby adom
Low-power, low-noise instrumentation amplifier with a single-resistor gain set.
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page.json+122−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "ad620",+ "title": "AD620 Instrumentation Amplifier",+ "brief": "Low-power, low-noise instrumentation amplifier with a single-resistor gain set.", "version": "0.1.0",- "type": "component",- "description": "Low-power, low-noise instrumentation amplifier with a single-resistor gain set.",+ "license": "CC-BY-SA-4.0", "tags": [ "instrumentation-amp", "in-amp",@@ -11,6 +14,122 @@ "adi", "soic-8" ],+ "component": {+ "mpn": "AD620",+ "manufacturer": "Analog Devices",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Analog",+ "subcategory": "Instrumentation Amplifier",+ "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD620.pdf",+ "parts": {+ "symbol": "ad620.kicad_sym",+ "footprint": "ad620.kicad_mod",+ "model_3d": "ad620.glb",+ "model_3d_step": "ad620.step"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "RG",+ "type": "passive",+ "description": "Gain-setting resistor terminal. Connect an external resistor RG between pins 1 and 8 to program the gain: G = 1 + (49.4 k\u03a9 / RG). Leave open for unity gain (G = 1)."+ },+ {+ "number": "2",+ "name": "-IN",+ "type": "input",+ "description": "Inverting analog input of the instrumentation amplifier. Differential input impedance 10 G\u03a9||2 pF; input voltage range within (-Vs + 1.9 V) to (+Vs - 1.2 V) at \u00b115 V supply."+ },+ {+ "number": "3",+ "name": "+IN",+ "type": "input",+ "description": "Noninverting analog input of the instrumentation amplifier. Differential input impedance 10 G\u03a9||2 pF; input voltage range within (-Vs + 1.9 V) to (+Vs - 1.2 V) at \u00b115 V supply."+ },+ {+ "number": "4",+ "name": "-VS",+ "type": "power_in",+ "description": "Negative supply rail. Operating range \u00b12.3 V to \u00b118 V (bipolar) referenced to +VS. Quiescent current 0.9 mA typ, 1.3 mA max."+ },+ {+ "number": "5",+ "name": "REF",+ "type": "input",+ "description": "Reference input. Sets the DC level of the output; the output voltage is measured with respect to this pin. Input resistance 20 k\u03a9 typical, input current 50 \u00b5A (60 \u00b5A max) when VIN+ = VREF = 0. Must be driven from a low-impedance source to preserve CMRR."+ },+ {+ "number": "6",+ "name": "OUTPUT",+ "type": "output",+ "description": "Amplifier output. Output voltage = G \u00d7 (V+IN - V-IN) + VREF. Output swing to within ~1.2 V of the rails at \u00b115 V into 10 k\u03a9; short-circuit current \u00b118 mA."+ },+ {+ "number": "7",+ "name": "+VS",+ "type": "power_in",+ "description": "Positive supply rail. Operating range \u00b12.3 V to \u00b118 V (bipolar). Quiescent current 0.9 mA typ, 1.3 mA max."+ },+ {+ "number": "8",+ "name": "RG",+ "type": "passive",+ "description": "Gain-setting resistor terminal. Connect an external resistor RG between pins 1 and 8 to program the gain: G = 1 + (49.4 k\u03a9 / RG). Leave open for unity gain (G = 1)."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/AD620.pdf",+ "pages": 20,+ "sha256": "83d076a7bf5e92d3",+ "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": "Instrumentation amplifier",+ "Gain": "1 to 1000 (single external resistor)",+ "Input offset voltage": "50 uV max",+ "Input noise": "9 nV/sqrt(Hz) at 1 kHz",+ "CMRR": "100 dB min (G >= 10)",+ "Supply voltage": "+-2.3 V to +-18 V",+ "Supply current": "1.3 mA max",+ "Operating temperature": "-40 C to 85 C"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "instrumentation amplifier",+ "bridge sensor amplifier",+ "ECG amplifier",+ "single-resistor gain in-amp"+ ],+ "discovery_pitch": "A classic low-noise in-amp with one external resistor to set gain from 1 to 1000, for bridge and biopotential sensors.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -27,10 +146,5 @@ "docs/ad620-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }