CROSS-REFERENCE ALTERNATIVE
COS2227USR is a Chinese-manufactured 36V High-Speed Precision Op-Amp from COSINE (科山芯创) that cross-references to OPA2227U (TI).
It is a SOP8 device positioned as a domestic-supply option against the imported: shorter lead times, no allocation risk and a stable price for volume production. Because the parts are not pin-identical in every case, the engineering checklist below lists what to verify before you commit.
Cross-reference · Before you substitute · Related parts · FAQ · Request a quote
COS2227USR — 36V High-Speed Precision Op-Amp, alternative to OPA2227U
COS2227USR is supplied by Shenzhen Jingteng Electronics (JTDZ Tech) as a domestically sourced option for OPA2227U (TI). Imported parts in this class are frequently subject to allocation, long lead times and steep price swings. A Chinese-manufactured equivalent removes that exposure: the parts are production-validated in industrial, consumer and automotive designs and ship from stock on a short lead time.
Cross-reference chart — which imported parts does COS2227USR replace?
Every imported part number that COS2227USR is published as a cross-reference alternative to, per the COSINE (科山芯创) 2025 selection table:
| imported part number | brand | Replaced by (this part) |
|---|---|---|
| OPA2227U | TI | COS2227USR |
Cross-reference means functional equivalence in the same application role. It is not a blanket claim of pin-for-pin identity — confirm package, pinout and the parameters listed below before you release a design change.
Device information
| Part number | COS2227USR |
| Manufacturer | COSINE (科山芯创) |
| Device class | 36V High-Speed Precision Op-Amp |
| Package | SOP8 |
| Pin Count | 8 |
| Verified and new, traceable date code | |
| Stock | In stock, ships within 24 hours |
| Description | 36V High-Speed Precision Op-Amp, SOP8 package. |
What to verify before substituting COS2227USR
These are the parameters that decide whether a cross-reference works in practice. Run through the list against the datasheet before releasing a change:
- Supply voltage range and full 36 V operation
- Slew rate and settling time to the accuracy your loop requires
- Gain-bandwidth product at the target closed-loop gain, plus phase margin with the real load capacitance
- Input offset voltage and drift — high-speed parts trade precision against bandwidth
- Input capacitance and its effect on the feedback network
- Output current capability and short-circuit behaviour
- Pinout and compensation scheme — some fast parts need external or different compensation
Typical applications
- Industrial process control and 4–20 mA loops
- Precision sensor signal conditioning
- Instrumentation and data-acquisition front ends
- Medical and laboratory equipment
- Test and measurement instruments
- Audio and active-filter stages
Related COSINE parts and alternatives
Other {BRAND} parts in the same device family or the same device class — useful when you are cross-referencing a whole BOM rather than a single line item.
| COSINE part | Package | Cross-references to | Relation |
|---|---|---|---|
| COSOP27SRA | SOP8 | OP27GPZ, OPA227U | 36V High-Speed Precision Op-Amp |
| COS27SR | SOP8 | OP27GPZ, OPA227U | 36V High-Speed Precision Op-Amp |
| COS27DT | DIP8 | OP27GPZ, OPA227U | 36V High-Speed Precision Op-Amp |
| COS227USR | SOP8 | OPA227U | 36V High-Speed Precision Op-Amp |
| COS227U | MSOP8 | OPA227U | 36V High-Speed Precision Op-Amp |
| COS4227UATR | TSSOP14 | OPA4227UA | 36V High-Speed Precision Op-Amp |
Frequently asked questions
What does COS2227USR replace?
According to the COSINE (科山芯创) 2025 cross-reference table, COS2227USR is published as an alternative to OPA2227U (TI).
Is COS2227USR a pin-to-pin drop-in for OPA2227U?
Cross-reference means the part is intended for the same application role; it is not a blanket guarantee of pin-for-pin identity. Check package, pinout and the parameters listed under “What to verify” above, or send us your BOM and we will confirm before you commit.
Can you supply the OPA2227U as well?
Yes. We source both the imported and the Chinese-manufactured alternative, so you can compare price, lead time and availability on the same quote.
What is the MOQ and lead time for COS2227USR?
MOQ 1 pc. COS2227USR is held in stock and ships within 24 hours; quotes are returned within 2 business hours. We ship worldwide including India, Vietnam and the Middle East.
Request a quote for COS2227USR
Send us the part number and target quantity — we reply within 2 business hours with price, stock and a cross-reference confirmation.
Request a quote More Amplifiers / Data Conversion
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.
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