component
AD8422BRZ-R7
Public Made by Adomby adom
Analog Devices Instrumentation Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# AD8422BRZ-R7++**Analog Devices** · Instrumentation Amplifiers · SOIC-8++AD8422BRZ-R7 from Analog Devices, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | -IN | input | Negative differential input with input impedance 200 GΩ||2 pF and working voltage range −VS + 1.2 to +VS − 1.1 V at ±1.8 V to ±18 V supply. |+| 2 | RG | passive | Gain setting resistor terminal; connect external resistor to set gain per formula G = 1 + (19.8 kΩ/RG). |+| 3 | RG | passive | Gain setting resistor terminal; connect external resistor to set gain per formula G = 1 + (19.8 kΩ/RG). |+| 4 | +IN | input | Positive differential input with input impedance 200 GΩ||2 pF and working voltage range −VS + 1.2 to +VS − 1.1 V at ±1.8 V to ±18 V supply. |+| 5 | -VS | power_in | Negative supply voltage pin; −1.8 V to −18 V dual supply or 0 V reference for single supply operation with maximum rated voltage ±1.8 V to ±18 V. |+| 6 | REF | input | Reference voltage input pin for output DC offset adjustment; voltage range ±VS ± 0.3 V, requires low impedance source below 1 Ω for best performance. |+| 7 | VOUT | output | Output voltage pin with rail-to-rail swing from −VS + 0.2 to +VS − 0.2 V at 10 kΩ load and continuous short-circuit current protection at 20 mA. |+| 8 | +VS | power_in | Positive supply voltage pin; +1.8 V to +18 V dual supply or 3.6 V to 36 V single supply operation with maximum rated voltage ±1.8 V to ±18 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Analog Devices |+| Package | SOIC-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `AD8422BRZ-R7`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `ad8422brz-r7-etched.step` / `ad8422brz-r7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ad8422brz-r7.step` / `ad8422brz-r7.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Analog Devices datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896346275659776) (24 pp, sha256 `2fdd0df3e17faa1e`, retrieved 2026-09-18, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ad8422brz-r7-datasheet.pdf)
page.jsonadded+141@@ -0,0 +1,141 @@+{+ "slug": "ad8422brz-r7",+ "version": "0.1.0",+ "type": "component",+ "description": "Analog Devices Instrumentation Amplifiers, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "ad8422brz-r7",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ad8422brz-r7.kicad_sym",+ "ad8422brz-r7.kicad_mod",+ "ad8422brz-r7.glb",+ "ad8422brz-r7.step",+ "ad8422brz-r7.lbr",+ "docs/hero.png",+ "docs/ad8422brz-r7-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "AD8422BRZ-R7",+ "manufacturer": "Analog Devices",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Instrumentation Amplifiers",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896346275659776",+ "parts": {+ "symbol": "ad8422brz-r7.kicad_sym",+ "footprint": "ad8422brz-r7.kicad_mod",+ "model_3d": "ad8422brz-r7-etched.glb",+ "model_3d_plain": "ad8422brz-r7.glb",+ "model_3d_step": "ad8422brz-r7-etched.step",+ "model_3d_step_plain": "ad8422brz-r7.step",+ "lbr": "ad8422brz-r7.lbr"+ },+ "distributor_links": {+ "lcsc": "C652826"+ },+ "pins": [+ {+ "number": "1",+ "name": "-IN",+ "type": "input",+ "description": "Negative differential input with input impedance 200 GΩ||2 pF and working voltage range −VS + 1.2 to +VS − 1.1 V at ±1.8 V to ±18 V supply."+ },+ {+ "number": "2",+ "name": "RG",+ "type": "passive",+ "description": "Gain setting resistor terminal; connect external resistor to set gain per formula G = 1 + (19.8 kΩ/RG)."+ },+ {+ "number": "3",+ "name": "RG",+ "type": "passive",+ "description": "Gain setting resistor terminal; connect external resistor to set gain per formula G = 1 + (19.8 kΩ/RG)."+ },+ {+ "number": "4",+ "name": "+IN",+ "type": "input",+ "description": "Positive differential input with input impedance 200 GΩ||2 pF and working voltage range −VS + 1.2 to +VS − 1.1 V at ±1.8 V to ±18 V supply."+ },+ {+ "number": "5",+ "name": "-VS",+ "type": "power_in",+ "description": "Negative supply voltage pin; −1.8 V to −18 V dual supply or 0 V reference for single supply operation with maximum rated voltage ±1.8 V to ±18 V."+ },+ {+ "number": "6",+ "name": "REF",+ "type": "input",+ "description": "Reference voltage input pin for output DC offset adjustment; voltage range ±VS ± 0.3 V, requires low impedance source below 1 Ω for best performance."+ },+ {+ "number": "7",+ "name": "VOUT",+ "type": "output",+ "description": "Output voltage pin with rail-to-rail swing from −VS + 0.2 to +VS − 0.2 V at 10 kΩ load and continuous short-circuit current protection at 20 mA."+ },+ {+ "number": "8",+ "name": "+VS",+ "type": "power_in",+ "description": "Positive supply voltage pin; +1.8 V to +18 V dual supply or 3.6 V to 36 V single supply operation with maximum rated voltage ±1.8 V to ±18 V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 24,+ "cost_usd": 0.243,+ "at": "2026-09-18T00:47:43"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588896346275659776",+ "pages": 24,+ "sha256": "2fdd0df3e17faa1e",+ "source_tier": "lcsc"+ },+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}