LM2903DR2G

@@ -0,0 +1,48 @@+# LM2903DR2G++**onsemi** · Comparators · SOIC-8++LM2903DR2G from onsemi, 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 | OUTA | output | Open-collector output of comparator A. Requires an external pull-up resistor to VCC (typ. 1 kΩ-100 kΩ). Sinks up to 16 mA when active low. |+| 2 | OUTB | output | Open-collector output of comparator B. Requires an external pull-up resistor to VCC. Sinks up to 16 mA when active low. |+| 3 | VCC | power_in | Positive supply rail. Single-supply operation 2 V to 36 V, or split-supply ±1 V to ±18 V. |+| 4 | INB- | input | Inverting input of comparator B. Common-mode range extends from V- (GND) to VCC − 1.5 V. |+| 5 | INB+ | input | Non-inverting input of comparator B. Common-mode range extends from V- (GND) to VCC − 1.5 V. |+| 6 | INA- | input | Inverting input of comparator A. Common-mode range extends from V- (GND) to VCC − 1.5 V. |+| 7 | INA+ | input | Non-inverting input of comparator A. Common-mode range extends from V- (GND) to VCC − 1.5 V. |+| 8 | GND | power_in | Ground / negative supply rail (V-). Tied to 0 V in single-supply operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | SOIC-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `LM2903DR2GDR2G`+- `LM2903DR2GDG`++## CAD (KiCad official)++- Symbol: `LM2903DR2G`+- 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 datasheet](https://www.onsemi.com/pdf/datasheet/lm2903-d.pdf) (12 pp, sha256 `f373bad3f48ee0ff`, 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/lm2903dr2g-datasheet.pdf)

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