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docs lm2904ydt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 2mo ago
lm2904ydt-etched.fit.json lm2904ydt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
lm2904ydt-etched.glb lm2904ydt: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body w… · Ray 1d ago
lm2904ydt-etched.step lm2904ydt: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body w… · Ray 1d ago
lm2904ydt.glb Publish 0.1.0 · Ray 2mo ago
lm2904ydt.kicad_mod Publish 0.1.0 · Ray 2mo ago
lm2904ydt.kicad_sym Publish 0.1.0 · Ray 2mo ago
lm2904ydt.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect an… · Ray 2mo ago
lm2904ydt.step Publish 0.1.0 · Ray 2mo ago
package.json Publish 0.2.0 · Ray 2mo ago
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 2mo ago
page.json lm2904ydt: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body w… · Ray 1d ago
README.md lm2904ydt: specified limits as data (metadata.characteristics, 43 rows from the datasheet) · Ray 19d ago

LM2904YDT

STMicroelectronics · Operational Amplifier · SOP-8

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage (LM2904 row) VCC 32 V Printed as ±16 or 32 V; footnote 1 applies 4
Differential input voltage (LM2904) Vid -32 32 V Printed as ±32 V; LM2904, LM2904A row 4
Input voltage (LM2904) Vin -0.3 32 V LM2904, LM2904A row 4
Input current, Vin driven negative Iin 5 mA DC; row also prints 50 mA in AC (duty cycle 10 %, T = 1 s) 4
Input current, Vin driven positive above AMR value Iin 0.4 mA Vin driven positive above AMR value 4
Operating free-air temperature range Toper -40 125 °C 4
Storage temperature range Tstg -65 150 °C 4
Maximum junction temperature Tj 150 °C 4
ESD human body model (LM2904) HBM 300 V LM2904, LM2904A row; footnote 7 applies 4
ESD machine model MM 200 V 4
ESD charged device model CDM 1.5 kV 4
Supply voltage VCC 3 30 V 5
Operating free-air temperature range Toper -40 125 °C 5
Input offset voltage Vio 2 7 mV Tamb = 25 °C, LM2904 row 6
Input offset voltage Vio 9 mV Tmin ≤ Tamb ≤ Tmax, LM2904 row 6
Input offset voltage drift ΔVio/ΔT 7 30 µV/°C 6
Input offset current Iio 2 30 nA Tamb = 25 °C 6
Input offset current Iio 40 nA Tmin ≤ Tamb ≤ Tmax 6
Input offset current drift ΔIio/ΔT 10 300 pA/°C 6
Input bias current Iib 20 150 nA Tamb = 25 °C; footnote 2 applies 6
Input bias current Iib 200 nA Tmin ≤ Tamb ≤ Tmax; footnote 2 applies 6
Large signal voltage gain Avd 50 100 V/mV VCC + = 15 V, RL = 2 kΩ, Vo = 1.4 V to 11.4 V, Tamb = 25 °C 6
Large signal voltage gain Avd 25 V/mV VCC + = 15 V, RL = 2 kΩ, Vo = 1.4 V to 11.4 V, Tmin ≤ Tamb ≤ Tmax 6
Supply voltage rejection ratio SVR 65 100 dB VCC + = 5 V to 30 V, Vicm = 0 V, Tamb = 25 °C 6
Supply voltage rejection ratio SVR 65 dB VCC + = 5 V to 30 V, Vicm = 0 V, Tmin ≤ Tamb ≤ Tmax 6
Supply current, all amp, no load ICC 0.7 1.2 mA Tamb = 25 °C, VCC + = 5 V 6
Supply current, all amp, no load ICC 2 mA Tmin ≤ Tamb ≤ Tmax, VCC + = 30 V 6
Common-mode rejection ratio CMR 70 85 dB VCC + = 30 V, Vicm = 0 V to 28.5 V, Tamb = 25 °C 6
Common-mode rejection ratio CMR 60 dB VCC + = 30 V, Vicm = 0 V to 28 V, Tmin ≤ Tamb ≤ Tmax 6
Output short-circuit current Isource 20 40 60 mA VCC + = 15 V, Vo = 2 V, Vid = 1 V 6
Output sink current Isink 10 20 mA VO = 2 V, VCC + = 15 V 6
Output sink current Isink 12 50 µA VO = 0.2 V, VCC + = 15 V 6
High-level output voltage VOH 26 V VCC + = 30 V, Tamb = 25 °C, RL = 2 kΩ 6
High-level output voltage VOH 26 27 V VCC + = 30 V, Tmin ≤ Tamb ≤ Tmax, RL = 2 kΩ 6
High-level output voltage VOH 27 V VCC + = 30 V, Tamb = 25 °C, RL = 10 kΩ 6
High-level output voltage VOH 27 28 V VCC + = 30 V, Tmin ≤ Tamb ≤ Tmax, RL = 10 kΩ 6
Low-level output voltage VOL 5 20 mV RL = 10 kΩ, Tamb = 25 °C 6
Low-level output voltage VOL 20 mV RL = 10 kΩ, Tmin ≤ Tamb ≤ Tmax 6
Slew rate SR 0.3 0.6 V/µs VCC + = 15 V, Vin = 0.5 to 3 V, RL = 2 kΩ, CL = 100 pF, unity gain, Tamb = 25 °C 7
Slew rate SR 0.2 V/µs VCC + = 15 V, Vin = 0.5 to 3 V, RL = 2 kΩ, CL = 100 pF, unity gain, Tmin ≤ Tamb ≤ Tmax 7
Gain bandwidth product GBP 0.7 1.1 MHz f = 100 kHz, VCC + = 30 V, Vin = 10 mV, RL = 2 kΩ, CL = 100 pF 7
Thermal resistance junction to ambient, SO8 Rthja 125 °C/W Printed value is typical (footnote 6: short-circuits can cause excessive heating) 4
Thermal resistance junction to case, SO8 Rthjc 40 °C/W Printed value is typical (footnote 6) 4

CAD (KiCad official)

  • Symbol: LM2904YDT
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: lm2904ydt-etched.step / lm2904ydt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2904ydt.step / lm2904ydt.glb are the bare package body.

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