Fairchild Semiconductor LM2904M-FS
Full Technical Specifications
12 Parameters| Parameter / Attribute | Specification / Value |
|---|---|
| Mounting | Surface Mount |
| Amplifier type | General Purpose |
| Voltage - input offset | 2 mV |
| Voltage - supply span | 32 V |
| Current - supply | 1mA |
| Current - input bias | 45 nA |
| Current - output (Channel) | 40 mA |
| Operating temperature | -40°C~85°C |
| Gain bandwidth product | 1 MHz |
| Package | Bulk |
| Case | 8-SOIC (0.154\", 3.90mm Width) |
| Number of circuits | 2 |
Need Stock or a Drop-in Second-Source for LM2904M-FS?
Package: SOIC-8 · Pin-compatible replacements with immediate Shenzhen spot stock
The ubiquitous dual op-amp designed in the 1970s. While cheap, legacy bipolar LM358 parts suffer from crossover distortion and output swing limited to V+ - 1.5V. Modern precision drop-in replacements like SGMicro SGM8552 and 3PEAK TP358 deliver rail-to-rail I/O, lower offset voltage, and microamp quiescent power at comparable pricing.
Verified Pin-Compatible Replacements (2 verified alternatives)
Rail-to-Rail Performance with High Dynamic Range ADC Support
Shenzhen Spot Inventory (24h Dispatch)
1.5 MHz Gain Bandwidth, Rail-to-Rail Input and Output
2.5V – 5.5V single supply (or ±1.25V to ±2.75V dual)
Large Factory Buffer Stock & Zero Allocation Risk
Large Factory Buffer Stock
1.0 MHz GBW, Low Quiescent Current (60 µA/ch)
2.1V – 5.5V single supply
Buyer & Quality Checklist for Sourcing Alternatives
- Check maximum supply voltage: legacy bipolar LM358 operates up to 32V; if your circuit runs on 12V–24V supply rails, select high-voltage variants (e.g., SGM8272 or TP156) instead of 5.5V rail-to-rail models.
- Confirm ADC input scaling: rail-to-rail output swings up to VCC - 10mV, allowing higher dynamic measurement resolution for current sense shunts.
Frequently Asked Technical Questions
Q: When should I upgrade from legacy LM358 to SGM8552 or TP358?
A: Upgrade if your system operates on 3.3V or 5V logic rails and feeds an internal microcontroller ADC. Legacy LM358 cannot drive outputs higher than ~1.8V on a 3.3V supply, throwing away nearly half of your ADC conversion resolution. Rail-to-rail alternatives solve this instantly with zero board changes.