LM285D-2.5R2G

@@ -0,0 +1,56 @@+# LM285D-2.5R2G++**onsemi LM285D 2 5R2G** · Voltage Reference · SOIC-8++LM285D-2.5R2G from onsemi LM285D 2 5R2G, 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 | NC | unconnected | No internal connection. Leave floating or tie to a non-critical net. |+| 2 | NC | unconnected | No internal connection. Leave floating or tie to a non-critical net. |+| 3 | NC | unconnected | No internal connection. Leave floating or tie to a non-critical net. |+| 4 | Anode | passive | Anode terminal of the bandgap reference diode. Typically connected to circuit ground/return. In normal operation the device is biased in reverse with current flowing from Cathode to Anode. |+| 5 | NC | unconnected | No internal connection. Leave floating or tie to a non-critical net. |+| 6 | NC | unconnected | No internal connection. Leave floating or tie to a non-critical net. |+| 7 | NC | unconnected | No internal connection. Leave floating or tie to a non-critical net. |+| 8 | Cathode | passive | Cathode terminal of the bandgap reference diode. Regulated 2.500 V node when reverse-biased through an external series resistor from a supply of 1.5 V or greater; operating current range 20 uA to 20 mA with ~0.6 ohm dynamic impedance. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi LM285D 2 5R2G |+| Package | SOIC-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `LM285D-2.5R2GD-2.5`+- `LM285D-2.5R2GD-2.5G`+- `LM285D-2.5R2GD-2.5R2`+- `LM285D-2.5R2GD-2.5R2G`+- `LM285D-2.5R2GZ-2.5`+- `LM285D-2.5R2GZ-2.5G`+- `LM285D-2.5R2GZ-2.5RA`+- `LM285D-2.5R2GZ-2.5RAG`+- `LM285D-2.5R2GZ-2.5RP`+- `LM285D-2.5R2GZ-2.5RPG`++## CAD (KiCad official)++- Symbol: `LM285D-2.5R2G`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi LM285D 2 5R2G datasheet](https://www.onsemi.com/pdf/datasheet/lm285d-2.5r2-d.pdf) (9 pp, sha256 `481b1a1df6429c0b`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm285d-2-5r2g-datasheet.pdf)

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