LM75AD

@@ -0,0 +1,48 @@+# LM75AD++**NXP Semicon 118** · Temperature and Humidity Sensor · SOIC-8++LM75AD from NXP Semicon 118, 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 | SDA | bidirectional | I2C-bus serial bidirectional data line; open-drain. Requires an external pull-up (~10 kΩ) to VCC if the bus does not already provide one. Must not be left floating. |+| 2 | SCL | input | I2C-bus serial clock input, driven by the bus master. Requires an external pull-up (~10 kΩ) to VCC if the bus does not already provide one. Must not be left floating. |+| 3 | OS | output | Overtemperature Shutdown output; open-drain. Asserts when Temp exceeds the programmed Tos limit (comparator or interrupt mode selectable). Needs an external pull-up as large as possible, up to 200 kΩ, to minimize self-heating error. |+| 4 | GND | power_in | Ground reference. Connect to system ground. |+| 5 | A2 | input | User-defined I2C slave address bit 2. Tie to GND for logic 0 or VCC for logic 1; must not be left floating (not internally biased). |+| 6 | A1 | input | User-defined I2C slave address bit 1. Tie to GND for logic 0 or VCC for logic 1; must not be left floating (not internally biased). |+| 7 | A0 | input | User-defined I2C slave address bit 0. Tie to GND for logic 0 or VCC for logic 1; must not be left floating (not internally biased). |+| 8 | VCC | power_in | Positive power supply, 2.8 V to 5.5 V. Bypass to GND with a local decoupling capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | NXP Semicon 118 |+| Package | SOIC-8 |+| Category | Sensor |+| Pins | 8 |++## Ordering variants++- `LM75AD`+- `LM75ADP`++## CAD (KiCad official)++- Symbol: `LM75AD`+- 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:** [NXP Semicon 118 datasheet](https://www.nxp.com/docs/en/data-sheet/LM75AD.pdf) (24 pp, sha256 `fc76b747cd9e78c4`, 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/lm75ad-datasheet.pdf)

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