LM4040CEM3-3.0+T

@@ -0,0 +1,45 @@+# LM4040CEM3-3.0+T++**Analog Devices Inc Maxim Integrated** · Voltage Reference · SOT-23-3++LM4040CEM3-3.0+T from Analog Devices Inc Maxim Integrated, in a SOT-23-3. 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 | + | passive | Positive terminal (cathode) of the shunt reference. Nominal 3.000V is maintained between this pin and pin 2 when biased with 60µA to 15mA of reverse current through a source resistor from the supply. |+| 2 | - | passive | Negative terminal (anode) of the shunt reference. Typically tied to system ground; return path for the shunt current. |+| 3 | N.C. | unconnected | No internal connection. Leave this pin unconnected or tie it to pin 2 (negative terminal). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Analog Devices Inc Maxim Integrated |+| Package | SOT-23-3 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## Ordering variants++Same part, different packaging or reel option.++- `LM4040CEM3-3.0+T`+- `LM4040CEM3-3.0+TCEX3-3.0+T`++## CAD (KiCad official)++- Symbol: `LM4040CEM3-3.0+T`+- Footprint: `Package_TO_SOT_SMD:SOT-23-3`+- 3D model: SOT-23-3 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Analog Devices Inc Maxim Integrated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589038641142779904) (None pp, sha256 `cb26444d98d751a0`, retrieved 2026-08-17, tier: lcsc)+- **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/lm4040cem3-3-0-t-datasheet.pdf)

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