component
LM2904AM
Public Made by Adomby adom
HGSEMI Operational Amplifier, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLM2904AM
HGSEMI · Operational Amplifier · SOP-8
LM2904AM from HGSEMI, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1OUT | output | Output of amplifier 1. |
| 2 | 1IN- | input | Inverting input of amplifier 1; input voltage range -0.3 V to 32 V. |
| 3 | 1IN+ | input | Non-inverting input of amplifier 1; input voltage range -0.3 V to 32 V. |
| 4 | VEE | power_in | Negative supply (GND in single-supply operation); the supply is 32 V or ±16 V maximum. |
| 5 | 2IN+ | input | Non-inverting input of amplifier 2; input voltage range -0.3 V to 32 V. |
| 6 | 2IN- | input | Inverting input of amplifier 2; input voltage range -0.3 V to 32 V. |
| 7 | 2OUT | output | Output of amplifier 2. |
| 8 | VCC | power_in | Positive supply; absolute maximum 32 V (or ±16 V split supply). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | SOP-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |
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 (single 32 V or dual ±16 V as printed) | 32 | V | Printed as 32 或 ±16 V | 2 | |||
| Differential input voltage | 32 | V | 2 | ||||
| Input voltage | -0.3 | 32 | V | 2 | |||
| Power dissipation (SOP package) | 530 | mW | SOP package (note 1) | 2 | |||
| Input current | 50 | mA | VIN<-0.3V | 2 | |||
| Operating ambient temperature | 0 | 70 | ℃ | 2 | |||
| Storage temperature | -65 | 150 | ℃ | 2 | |||
| Lead temperature (soldering) | 245 | ℃ | Soldering 10 s | 2 | |||
| ESD (HBM) | 2000 | V | HBM | 2 | |||
| Input common-mode voltage range | 0 | V | Ta=25℃, V+=30V; max printed as V+ -1.5 V | 3 | |||
| Input common-mode voltage range (second block) | 0 | V | V+=30V; max printed as V+ -2 V | 3 | |||
| Large-signal voltage gain | 50 | 100 | V/mV | V+=15V, Ta=25℃, RL≥2kΩ (Vo=1~11V) | 3 | ||
| Large-signal voltage gain (second block) | 25 | V/mV | V+=15V, (Vo=1~11V), RL≥2kΩ | 3 | |||
| Common-mode rejection ratio | 65 | 90 | dB | DC, Ta=25℃, VCM=0~V+-1.5V | 3 | ||
| Power supply rejection ratio | 65 | 100 | dB | DC, Ta=25℃, V+=5~30V | 3 | ||
| Output source current | 20 | 40 | mA | VIN(+)=1V, VIN(-)=0V, V+=15V, Vo=2V, Ta=25℃ | 3 | ||
| Output sink current | 10 | 20 | mA | VIN(-)=1V, VIN(+)=0V, V+=15V, Vo=2V, Ta=25℃ | 3 | ||
| Output sink current (small output voltage) | 12 | 50 | µA | VIN(-)=1V, VIN(+)=0V, V+=15V, Vo=200mV, Ta=25℃ | 3 | ||
| Output short-circuit current to ground | 40 | 60 | mA | V+=15V, Ta=25℃ | 3 | ||
| Input offset voltage | 2 | 3 | mV | Ta=25℃ | 3 | ||
| Input bias current | 45 | 150 | nA | Ta=25℃, IIN(+) or IIN(-), VCM=0V | 3 | ||
| Input offset current | 3 | 30 | nA | Ta=25℃, IIN(+) - IIN(-), VCM=0V | 3 | ||
| Supply current (V+=30V) | 1 | 2 | mA | Full temperature range, RL=∞, all op-amps, V+=30V | 3 | ||
| Supply current (V+=5V) | 0.5 | 1.2 | mA | Full temperature range, RL=∞, all op-amps, V+=5V | 3 | ||
| Output voltage swing VOH (RL=2kΩ) | VOH | 26 | V | V+=30V, RL=2kΩ | 3 | ||
| Output voltage swing VOH (RL=10kΩ) | VOH | 27 | 28 | V | V+=30V, RL=10kΩ | 3 | |
| Output voltage swing VOL | VOL | 5 | 20 | mV | V+=5V, RL=10kΩ | 3 | |
| Output source current (second block) | 10 | 20 | mA | VIN(+)=1V, VIN(-)=0V, V+=15V, Vo=2V | 3 | ||
| Output sink current (second block) | 5 | 8 | mA | VIN(-)=1V, VIN(+)=0V, V+=15V, Vo=2V | 3 | ||
| Input offset voltage drift | 7 | µV/℃ | Rs=0Ω | 3 | |||
| Input offset current (second block) | 100 | nA | 3 | ||||
| Input offset current drift | 10 | pA/℃ | Rs=0Ω | 3 | |||
| Input bias current (second block) | 40 | 300 | nA | IIN(+) or IIN(-) | 3 | ||
| Amplifier coupling (channel separation) | -120 | dB | Ta=25℃, f=1~20kHz (all inputs) | 3 |
CAD (KiCad official)
- Symbol:
LM2904AM - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
lm2904am-etched.step/lm2904am-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm2904am.step/lm2904am.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HGSEMI datasheet (10 pp, sha256
63c3bb047114641d, retrieved 2026-10-18, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).