PIN-TO-PIN ALTERNATIVE
SGM8542XS is a Chinese-manufactured pin-to-pin drop-in replacement for LM358 (rail-to-rail upgrade) (Texas Instruments / STMicroelectronics).
The LM358 footprint, upgraded: rail-to-rail I/O, 42 uA per channel and pico-amp bias current for sensor front-ends.
SGM8542XS — Alternative to LM358 (rail-to-rail upgrade)
SGM8542XS from SGMicro {BRAND} is supplied by JTDZ Tech (Shenzhen Jingteng Electronics) as a cost-effective, short-lead-time alternative to the imported LM358 (rail-to-rail upgrade) (Texas Instruments / STMicroelectronics). Chinese-sourced semiconductors have moved well beyond "cheap substitute" status: the parts below are production-validated in industrial, automotive and consumer designs, and they remove both the allocation risk and the long lead times that come with imported.
Cross-Reference: LM358 (rail-to-rail upgrade) vs SGM8542XS
| imported | This part (Chinese alternative) | |
|---|---|---|
| Part number | LM358 (rail-to-rail upgrade) | SGM8542XS |
| Manufacturer | Texas Instruments / STMicroelectronics | SGMicro {BRAND} |
| Package | SOIC-8 / MSOP-8 / TSSOP-8 | SOIC-8 / MSOP-8 / TSSOP-8 |
| Pin Count | 8 | |
| Compatibility | — | Pin-to-Pin drop-in replacement |
| Supply & lead time | Frequently allocated, long lead times | Domestic stock, short lead time |
| Description | Amplifiers / Data conversion, 2.1 V - 5.5 V, SOIC-8 / MSOP-8 / TSSOP-8 package. |
Key Specifications
| Channels | 2 |
| Gain bandwidth | 1.1 MHz |
| Input / output | Rail-to-rail |
| Supply | 2.1 V - 5.5 V |
| Supply current | 42 uA per amplifier |
| Input bias current | 0.5 pA |
| Offset voltage | Typical 0.8 mV |
| Package | SOIC-8 / MSOP-8, pin-compatible with LM358 |
What to check before substituting SGM8542XS for LM358
- Same SOIC-8 pinout as LM358, but electrically it is an upgrade, not a like-for-like swap - review these before substituting.
- Supply range is 2.1 V to 5.5 V, much narrower than the LM358's 3 V to 32 V. Do not substitute into a 12 V or 24 V circuit.
- Rail-to-rail input and output: input common-mode extends beyond the rails and the output swings to within millivolts of each rail.
- Input bias current is 0.5 pA, which suits photodiode, pH and piezoelectric sensor front-ends where the LM358's bias current is too high.
- Offset voltage improves from 5.8 mV typical to 0.8 mV typical.
Typical Applications
- Battery-powered and portable instrumentation
- Photodiode and piezo sensor amplifiers
- Single-supply 3.3 V signal conditioning
- Low-power sensor interfaces
Looking for the part?
We also stock the imported — compare both before you decide: LM358.
Why buy SGM8542XS from JTDZ Tech
- and new parts from SGMicro {BRAND}, with traceable date codes
- MOQ 1 pc, tier pricing for volume and BOM kitting
- Cross-reference and substitution support: send us your BOM and we will confirm pin-to-pin compatibility before you commit
- X-ray, visual inspection and third-party lab testing supported on request
- Quote within 2 business hours; export shipping to India, Vietnam, the Middle East and worldwide
Need SGM8542XS, or still prefer the LM358? Send us your part list and target quantity — we will come back with pricing, stock and a compatibility confirmation within 2 business hours. Prices vary with quantity and market conditions, so the listed price is for reference only.
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.
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