LM2902DR

@@ -0,0 +1,56 @@+# LM2902DR++**Unknown** · Operational Amplifier · SOP-14++LM2902DR from Unknown, in a SOP-14. 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 | 1OUT | output | Output of op-amp channel 1. High-level output voltage typically Vcc-1.5V (RL=2kΩ); low-level typically 5 mV (RL≤10kΩ). |+| 2 | 1IN- | input | Inverting (negative) input of op-amp channel 1. Common-mode input range 0 to Vcc-2 V; input bias current typically -20 nA. |+| 3 | 1IN+ | input | Non-inverting (positive) input of op-amp channel 1. Common-mode input range 0 to Vcc-2 V; input bias current typically -20 nA. |+| 4 | VCC | power_in | Positive supply voltage. Single-supply operation 3V to 26V (LM2902); dual supply ±1.5V to ±13V. Absolute maximum 26V. |+| 5 | 2IN+ | input | Non-inverting (positive) input of op-amp channel 2. Common-mode input range 0 to Vcc-2 V. |+| 6 | 2IN- | input | Inverting (negative) input of op-amp channel 2. Common-mode input range 0 to Vcc-2 V. |+| 7 | 2OUT | output | Output of op-amp channel 2. High-level output voltage typically Vcc-1.5V (RL=2kΩ); low-level typically 5 mV (RL≤10kΩ). |+| 8 | 3OUT | output | Output of op-amp channel 3. High-level output voltage typically Vcc-1.5V (RL=2kΩ); low-level typically 5 mV (RL≤10kΩ). |+| 9 | 3IN- | input | Inverting (negative) input of op-amp channel 3. Common-mode input range 0 to Vcc-2 V. |+| 10 | 3IN+ | input | Non-inverting (positive) input of op-amp channel 3. Common-mode input range 0 to Vcc-2 V. |+| 11 | GND | power_in | Ground / negative supply reference for the device. All voltage values (except differential voltages) are with respect to this network GND. |+| 12 | 4IN+ | input | Non-inverting (positive) input of op-amp channel 4. Common-mode input range 0 to Vcc-2 V. |+| 13 | 4IN- | input | Inverting (negative) input of op-amp channel 4. Common-mode input range 0 to Vcc-2 V. |+| 14 | 4OUT | output | Output of op-amp channel 4. High-level output voltage typically Vcc-1.5V (RL=2kΩ); low-level typically 5 mV (RL≤10kΩ). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Unknown |+| Package | SOP-14 |+| Category | Op-amp/Cmp |+| Pins | 14 |++## Ordering variants++- `LM2902DRDR`+- `LM2902DRN`+- `LM2902DRPWR`+- `LM2902DRPW`++## CAD (KiCad official)++- Symbol: `LM2902DR`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOP-14 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Unknown datasheet](docs/lm2902dr-datasheet.pdf) (13 pp, sha256 `788d49747ca05cb8`, 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/lm2902dr-datasheet.pdf)

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