component
AD8421BRMZ-R7
Public Made by Adomby adom
Analog Devices Instrumentation Amplifiers, MSOP-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 @@+# AD8421BRMZ-R7++**Analog Devices** · Instrumentation Amplifiers · MSOP-8++AD8421BRMZ-R7 from Analog Devices, in a MSOP-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 pin accepting signals from −VS + 2.3 V to +VS − 1.8 V. |+| 2 | RG | passive | Gain-setting resistor connection pin; place external resistor between pins 2 and 3 to set G = 1 + (9.9 kΩ/RG). |+| 3 | RG | passive | Gain-setting resistor connection pin; place external resistor between pins 2 and 3 to set G = 1 + (9.9 kΩ/RG). |+| 4 | +IN | input | Positive differential input pin accepting signals from −VS + 2.3 V to +VS − 1.8 V. |+| 5 | -VS | power_in | Negative power supply pin for ±2.5 V to ±18 V dual supply operation. |+| 6 | REF | input | Reference voltage input pin with 20 kΩ input impedance for output level shifting; voltage range −VS to +VS. |+| 7 | VOUT | output | Analog output pin with swing from −VS + 1.2 V to +VS − 1.6 V at load resistance RL = 2 kΩ. |+| 8 | +VS | power_in | Positive power supply pin for ±2.5 V to ±18 V dual supply operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Analog Devices |+| Package | MSOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `AD8421BRMZ-R7`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)+- 3D model files: `ad8421brmz-r7-etched.step` / `ad8421brmz-r7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ad8421brmz-r7.step` / `ad8421brmz-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/8588915723448569856) (28 pp, sha256 `cee2fa8289e5925e`, retrieved 2026-09-22, 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/ad8421brmz-r7-datasheet.pdf)
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