LM321DTR

@@ -0,0 +1,44 @@+# LM321DTR++**Unknown** · Operational Amplifier · SOT-23-5++LM321DTR from Unknown, in a SOT-23-5. Pinout and pin descriptions extracted from the datasheet (via LCSC) by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | +IN | input | Non-inverting input of the op amp. Input common-mode range includes ground (0V to V+ - 1.5V at 25°C). Input bias current typ 45nA. Either input can go to +32V without damage. |+| 2 | -Vs | power_in | Negative supply / ground pin. For single-supply operation, connect to GND. Supply range +3V to +32V total (V+ - V-). |+| 3 | -IN | input | Inverting input of the op amp. Input common-mode range includes ground (0V to V+ - 1.5V at 25°C). Input bias current typ 45nA. |+| 4 | OUT | output | Op amp output. Source current typ 40mA, sink current typ 15mA. Short-circuit-to-ground current ~40mA. Output swing: VOH typ 23V (RL=2kΩ, V+=30V); VOL typ 5mV (RL=10kΩ, V+=5V). |+| 5 | +Vs | power_in | Positive supply pin. Operating supply voltage +3V to +32V. Supply current typ 100µA at V+=5V (300µA max), 160µA typ at V+=30V (500µA max). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Unknown |+| Package | SOT-23-5 |+| Category | Op-amp/Cmp |+| Pins | 5 |++## Ordering variants++- `LM321DTRDTR`++## CAD (KiCad official)++- Symbol: `LM321DTR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Unknown datasheet](https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2310191806_XBLW-LM321DTR-XBLW_C18723612.pdf) (9 pp, sha256 `a13a57061fecd0dc`, 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/lm321dtr-datasheet.pdf)

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