LM2904YDT from STMicroelectronics, in a SOP-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	Out1	output	Output of op-amp channel 1. Output can swing from 0 V to (Vcc+ - 1.5 V); typical short-circuit output current ~40 mA independent of Vcc.
2	In1-	input	Inverting input of op-amp channel 1. Typical input bias current 20 nA; input offset current 2 nA. Common-mode input range: Vcc- to (Vcc+ - 1.5 V) at 25 °C.
3	In1+	input	Non-inverting input of op-amp channel 1. Input common-mode voltage range includes the negative rail (Vcc-).
4	Vcc-	power_in	Negative supply / ground pin. In single-supply operation, connect to GND. Total supply range Vcc+ to Vcc- is 3 V to 30 V (±1.5 V to ±16 V split).
5	In2+	input	Non-inverting input of op-amp channel 2. Input common-mode voltage range includes the negative rail (Vcc-).
6	In2-	input	Inverting input of op-amp channel 2. Typical input bias current 20 nA; input offset current 2 nA.
7	Out2	output	Output of op-amp channel 2. Output can swing from 0 V to (Vcc+ - 1.5 V); typical short-circuit output current ~40 mA.
8	Vcc+	power_in	Positive supply pin. Total supply range Vcc+ to Vcc- is 3 V to 30 V (absolute max ±16 V or 32 V total). Very low supply current, essentially independent of supply voltage.

Key specifications

Parameter	Value
Manufacturer	STMicroelectronics
Package	SOP-8
Category	Op-amp/Cmp
Pins	8

Ordering variants

Same part, different packaging or reel option.

LM2904YDTD
LM2904YDT
LM2904YDTST
LM2904YDT (MiniSO)
LM2904YDTPT

CAD (KiCad official)

Symbol: LM2904YDT
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOP-8 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`lm2904ydt.step`	122 KB	You want the bare part, or you mark your own boards.
`lm2904ydt-etched.step`	1.7 MB	You want the part with `LM2904YDT` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 433 faces against 147 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: STMicroelectronics datasheet (26 pp, sha256 5d1d694051521c3a, 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